diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-1.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-1.json
index b20fd9421a6988541ac95de5c212be52971d1538..e3e3749fc3d9554627a1dfe35c3c60a0903afd85 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-1.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-1.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010aad7",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-10.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-10.json
index fc8ef86b1d5067f56914d279ff517018d72229ae..aa9315ff96826b3cc64132e8741de017f1af6008 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-10.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-10.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a9a6",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-11.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-11.json
index 88baad6f8c48aa697235d78ff7c0b2edbb792c82..cc31a68b26241732de9d23c93b94ce293a63f31a 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-11.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-11.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a99c",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-12.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-12.json
index f310c2a5dc42f6fa1be00ef373b83a866906c2c3..a3ff5447d2d6456fa1df2a2d1683f7300cffd4f8 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-12.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-12.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a9b7",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-13.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-13.json
index 59676253f78ad055d235b31de804f1e05fe6f0d4..b43df31dc1327351709b7453836af7b759e9d0fe 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-13.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-13.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010aadc",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-14.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-14.json
index 864f14974a5440148e583bc15fb3309eed774a1d..109c31eb8113acb0e379865b0114b704ecb894ac 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-14.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-14.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010aade",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-15.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-15.json
index 6fa5d107ce25715659f5efcc3dff96c389d6b49a..c150e34e6a95ef301fa23fe7112246bc457a72c2 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-15.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-15.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010aae0",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-16.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-16.json
index e9106e4a51cc5c014024c129b57536f31e0de5d3..f2655e5a84c97679a974df412a87df5ec33da464 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-16.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-16.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010aadf",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-17.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-17.json
index 5b1464f4bd2b138572fce1ac55588c8e7f946327..b8a105dce84897b4276291f68e54360b9d7da33f 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-17.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-17.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a94d",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json
index e7d0ba7c3929a518073802b8331048e9646fffe2..1d4900347b9bb43e7d8b1e16ad1ac830e4d74bdc 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-18.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a966",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-19.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-19.json
index f842661f30782a332f48aacb4237f5a2e5a87d91..0ede9a03176b90c4612b427ab76852f4347b507e 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-19.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-19.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a958",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-2.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-2.json
index 1c5c9344709beb5b52701dd60270da76c8bb8a63..5ffaf278febd07450e24a6ea87d0d9f539e467aa 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-2.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-2.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010aad8",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json
index 32daf3b593d82003e8c801a6ce67cb75c07d70d5..fa99893069a7693e8f0ae47ffea4082bd4c740eb 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-20.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a918",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-21.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-21.json
index 42630926e2322de90b919ff8880bc97d90538beb..1634a4e2317b1b762ec095ea9e8771b427eaa540 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-21.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-21.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a894",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json
index d7309b7e2911e1ba353c6ee471b4865049c99081..c0e063f3d6870b73ed471464341b49e84b6781ac 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-22.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a824",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-23.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-23.json
index 8863177da539a4d3fc1852804b8b29ea26b59d63..5417493643a43d90bc2aa584b2641880374f4c67 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-23.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-23.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a96e",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-24.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-24.json
index 2c58b5ab20da9d6489cf92a66d1a1a7084cd2b12..c17ae871ad47e00cde75b2051c88f4dbc2197867 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-24.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-24.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a82d",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-25.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-25.json
index db410ff61bd616714488c38161424cedbb4f1a0c..75c6298a05d1c2a078d1e66d209ddb61897b36e8 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-25.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-25.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a9ac",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-26.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-26.json
index 3d180b6a67ab8746bea37dd8bbcefb61664afd24..291dc44be9c8dce0e81305e5cd4cccb523de7177 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-26.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-26.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a9ad",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-27.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-27.json
index 2dd6cbe7319f33bd19ec1feec50cc48220ccc078..9c2fab5a0f17008e318f5c253f865378d768dfcb 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-27.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-27.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a980",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-28.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-28.json
index dafa674c7498c8f35e154417d57846c7052693a4..903f0930fabae90e59b4bedf6a1cc52385bb3cd7 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-28.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-28.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c406e9a4a",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json
index 9576fa6c71441c5bc96356ae5472b06f510afabd..a591640841453203c32cfd1e9563ee302da14b40 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-29.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a98f",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-3.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-3.json
index 559abe1286cb97a370cd431e9c3c3149da2933e2..d4d3831fa2b1ea35174a58f6eee28c569758854e 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-3.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-3.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010aae1",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-30.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-30.json
index f331dd782e0d45e019f43a45857d3546442f730c..ac4b1aa8121e3efd3ea0e13215d1497cc64c3989 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-30.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-30.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a97a",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
index c544b5d09c794075f651bd88459bba89a5080128..6a2b92634b56e068c87e55a604057b19c051b602 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-31.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a991",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-32.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-32.json
index 92e1af818a4154dabc96252e60491d9a2c92f4a0..3dfdeb9939fcd4003ebcae1a01fd901906d2ea66 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-32.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-32.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a988",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-4.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-4.json
index 4fbe9be6207e32ae30c0bbf7d0a146e2b016612f..f1bfdd2013d18e66ad7f9b0ccd32271d792f5176 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-4.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-4.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010aad9",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json
index e283fc9060f3cf0887bd9c854ffd9c15fa11266e..50692adafcfb5eb67e72f42ed17a285a0355e420 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-5.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a8d9",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-6.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-6.json
index 540a2c31dc4c0eebb54318dbf4aeeb1b69a7efd6..f5638d9b02eacc670e751803ab38a0050cbc3f62 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-6.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-6.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a89a",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-7.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-7.json
index 7d20f1012a3a6a45beaea28b26bf89c39ccd53af..31dfd9f47120da49884d1471edeef68c602bc1b9 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-7.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-7.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a8a5",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-8.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-8.json
index 5e353fd905f6b68fada5408c2ce5208c3b2065db..2d416dcea5b46c6d599e1e7569d5f08747eb67df 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-8.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-8.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a8e3",
diff --git a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-9.json b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-9.json
index d0dceaa688f3db2227b26f1320e7068f0af1b118..663bb2e293ed25754db8c3f8fdbb65f1162efbb1 100644
--- a/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-9.json
+++ b/data/grid5000/sites/grenoble/clusters/dahu/nodes/dahu-9.json
@@ -144,6 +144,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c0010a4a0",
diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json
index cf5dcf3f7bbd79006eff9ad278882908e70e91fc..541dfc86396a5a1b29270e05cc0b04d1619d1e9b 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json
@@ -164,6 +164,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075122febd94",
diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json
index 325e85e5eb7402b7554382cf10d31bbea83f114b..3a1a0ea57abe5562685214b88b356dd03fe93399 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json
@@ -164,6 +164,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075122feba5f",
diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json
index a5c6e7636ece9e9e263fce97d0671c08e2092576..808f64edc2d11ca5655643a71034bcca1700ec69 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json
@@ -164,6 +164,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075122fea331",
diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
index 2db124aa631e28cae55af0a8798cbeafa9d3a91b..e16c3add24794b5b141f17022cab99d5fc4593ca 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
@@ -164,6 +164,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075122feba61",
diff --git a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.json b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.json
index 4ffecd4dafa268af85e0779cf8049af9e8abe003..d470f37de6a71cc0229327b4cb888aa3f7da8d05 100644
--- a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.json
+++ b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e414de1d705",
diff --git a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.json b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.json
index f68d9de15a21e9e15356bdf692d125317d3e1b0d..be4142e9852c62fd8f989f179f51bf04ff8168cd 100644
--- a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.json
+++ b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e414de16d7a",
diff --git a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.json b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.json
index 30aeb15c80322065a497e4fc07efdd36af89f119..7597219cd67200c136642107e1eee6dc58786617 100644
--- a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.json
+++ b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e4150a22f9b",
diff --git a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.json b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.json
index 2162847661d4812cdbfbf622c8dabdeffeed469c..fb3bd19355e20987e425bc01270f19195a2f7cc3 100644
--- a/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.json
+++ b/data/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e414de0fa6e",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-1.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-1.json
index 07179d4d336d6ba48c8567350ce230f11a8da302..af9d0fb17b51116d65cee7917f6c7fafc903d7a6 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-1.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-1.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982c0d57",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-10.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-10.json
index 0df97e1baaa14b67c8227f30ecb7f65be8fe69d5..23e71b920ac825261723043f1d6645be84e317a5 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-10.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-10.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b82062b7",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-11.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-11.json
index 9f5bf7354781326e5f22d58658153f8794564f9c..975f5db06c910b35b8812e04a3cd6cb45e3966df 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-11.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-11.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982c34cb",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-12.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-12.json
index 435652466a8a17acdd49c4aa9d77f839bb3d0f18..08a2d97c34a2daba31b8db76dd910f396ba692c1 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-12.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-12.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982bddd7",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-13.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-13.json
index 497800fa88f3b9d0e52b2ea633bfd742179d4cf6..277afcf13cb05222caf3383f4578117621d0025a 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-13.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-13.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982c2d9b",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-14.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-14.json
index a1d79436987770aa6e83138b5eed5b50f7e5a15f..4cc39731b106c82e1b1a247172788df1d2d88027 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-14.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-14.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982bcd6f",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-15.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-15.json
index 576f7fadd9c29102322970338da7377d33e4a11e..4749c1d983cbfd853937bc5184eb2fba80685d38 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-15.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-15.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982ba8e7",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-2.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-2.json
index 2c424577747b789dd48a152f8a055d48c65edc26..fd93e81e79e5a6d01352f64f5dea33038bce5e07 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-2.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-2.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982bb667",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-3.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-3.json
index 8c5561c8971a0cc30abf71deb6909b92d23e5bf6..d279bb6ac99f7f6d80e7a808024bb33cb892987d 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-3.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-3.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982bfd7f",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-4.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-4.json
index e629d27cc1b9407111e6f671b99f2f3136109f1a..b73e669beb45a94536cb278551ed4e292d856c07 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-4.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-4.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982be717",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-5.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-5.json
index 451321d8d79991e10d49981ca049bc7804b84569..cec75fa4a7cc4e76047cc04f10ca595117cede0c 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-5.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-5.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982c226b",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-6.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-6.json
index bddd610304324d6975e5151cc2b4fbf2f2cb14dc..f818332b89d28956f19282046d5869a697e40507 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-6.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-6.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982bcfff",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-7.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-7.json
index a0c041fcd6221edb58c89907b0c9d017b5a9af40..1d8a39dbf552153d1a93d563ad0f4776a972582f 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-7.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-7.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982bdacf",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-8.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-8.json
index 83f17caf89d8969e159306f9928b8e24f04ec9cc..f6e2255ac1fae6d63baa364368ed7e94d693730a 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-8.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-8.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982c043b",
diff --git a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-9.json b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-9.json
index d0be29ad62a6838b9ca434c3af2a458569ef754d..bafd914070e245aa4463253b9ea212eda2e02f94 100644
--- a/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-9.json
+++ b/data/grid5000/sites/lille/clusters/chetemi/nodes/chetemi-9.json
@@ -192,6 +192,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500982c0de7",
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-1.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-1.json
index bad97c0e61fa7f096d8e3033f5d904b12dc20522..abe83308043a066f4c543db247677cc10feca656 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-1.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-1.json
@@ -222,6 +222,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x58ce38ee2035dde9",
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-2.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-2.json
index 22cb2015fff4b35a002ccf0e4b190aae24448f4e..643084fd4ac3a288e5afe80c3eec9e9eb4f32480 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-2.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-2.json
@@ -222,6 +222,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x58ce38ee2035d47d",
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-3.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-3.json
index fe3907fb10433fd982ab7967c0ecea9eb9a5ec21..ddbd53e92cc38c79001ff08960e9d2a6cff96ad8 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-3.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-3.json
@@ -222,6 +222,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x58ce38ee2035d489",
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-4.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-4.json
index 63ae8438d4095ea391ed579e5b59c71e0e6c4d5a..a0bf8e36ee8dbe9bf7b1955cee67d3e8fa8252a6 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-4.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-4.json
@@ -222,6 +222,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x58ce38ee2035dded",
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-5.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-5.json
index c4fe221c908edb0ce593b12c73d92bc2e9904b3c..7292ecec63c956d5225d7c6202bcfb10f96992bf 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-5.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-5.json
@@ -222,6 +222,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x58ce38ee2035d491",
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-6.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-6.json
index 4479a44f183500373cc67271313670b69c70925e..3d1d880793e1cffb36a7b08da331607ea03b6eef 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-6.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-6.json
@@ -222,6 +222,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x58ce38ee2035d435",
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-7.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-7.json
index 2048c07ef909af0ba007cfdaef3dfc7fef07c5cd..8f3b0639319f9bcc8f65f95cedb0b59a1bb4b934 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-7.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-7.json
@@ -222,6 +222,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x58ce38ee2035d479",
diff --git a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-8.json b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-8.json
index b90f6ea26a2dd45720e0f5a1a5492128d7a12044..9e3ebb0b3e5cbf485f7c94c69310f98a6be6dda9 100644
--- a/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-8.json
+++ b/data/grid5000/sites/lille/clusters/chiclet/nodes/chiclet-8.json
@@ -222,6 +222,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x58ce38ee2035d42d",
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-1.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-1.json
index 644ca3882161d09d06098afbc73a280818d0e7ee..b7f9346bd2c39865dab37482762d35a53ccaf6ff 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-1.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-1.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500003973c8a1a8d",
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-2.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-2.json
index da5f4a8bbdb13fcf7628c3d94480b9be06cbc1c6..4adc2b87479d87028362bb69d363bcf23fc0c9e9 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-2.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-2.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500003973c8a1a75",
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-3.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-3.json
index f86b14b5fa5aed98f37df1f5171d0f963873ad24..3cf32cb5df34b3b160501ad3626387a2606e83ba 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-3.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-3.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500003973c8a1ab5",
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-4.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-4.json
index d77b917ffd7eef2b781c9c2f9fe72c00e6195e4c..cb559dd295c1909d253a5c3408195220e1dfc812 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-4.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-4.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500003973c8a68ad",
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-5.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-5.json
index 98b09fd5ab2d89bf7d74f9586c5fa97077592179..41c5418d57e2dc6e8bacdee4cc6b0813aa7228e5 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-5.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-5.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500003973c8a1ac1",
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-6.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-6.json
index 83e761932f81fd407f218632218b4a96b75f7725..49d890b0ed15bc0fb413be548c3fcd8d568a1829 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-6.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-6.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500003973c8a1a79",
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-7.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-7.json
index cfe1ebc732ae9d1fe1a5b23e32068c0d06fe5c3e..b537bdbc43d292e456fff9e4d537d8c9ea0ec84f 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-7.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-7.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500003973c8a6891",
diff --git a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-8.json b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-8.json
index 8948cb670b9f10a3f0dffe0271c64d0bfe44821b..0ca0513c8804c323d3b0f07d7a8988b789e6a9a7 100644
--- a/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-8.json
+++ b/data/grid5000/sites/lille/clusters/chifflet/nodes/chifflet-8.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500003973c8a1a7d",
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-1.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-1.json
index 88fcbe9a1aca35b1575ce9009f4373eb7058a0b5..4e59225428a856cdf00c4dbfef06fe3aa32004a5 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-1.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-1.json
@@ -242,6 +242,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e414f2b2e47",
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-2.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-2.json
index 663a77e030255952337119599fb41849625804f7..3b077cce076258ed872e248ff768f9709a7a1ca0 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-2.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-2.json
@@ -242,6 +242,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e414f2be265",
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-3.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-3.json
index 914aca1af668c5be5bd35eb476827db1f1b79aa2..76a684f6d8df03e529fa8baa862018d407709baf 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-3.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-3.json
@@ -242,6 +242,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e414f2be251",
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-4.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-4.json
index 2fced2107b40f9531653c35ade1b1521a4b0214b..89d843e92f4dd4d866067cb55991268a3ef9254b 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-4.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-4.json
@@ -242,6 +242,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e414f2b2e81",
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-5.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-5.json
index d64b66be9d6cc301a80c05ddac87ef820cbd2838..a891aff25547caad56333a5e6f86dc54ea77d95f 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-5.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-5.json
@@ -242,6 +242,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e414f2b2e20",
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-6.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-6.json
index 5e9f6350c953cb0a5cf18f424b7f3d905bd2f633..4262308e3fe44e000c6e428c7e4f2d9a811918b8 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-6.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-6.json
@@ -242,6 +242,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e414f2b534b",
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-7.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-7.json
index 88814b5f9a21dabbe7ef0df0d147a47a996b06fb..84ce5771f8637543310a0a9a1dae42169bbb5459 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-7.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-7.json
@@ -242,6 +242,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e414f2b4d45",
diff --git a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-8.json b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-8.json
index 68cdc6e31bc81755592f5041b85eae32a6239994..81d0d36948c637c6d217d205443fe7706db8466d 100644
--- a/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-8.json
+++ b/data/grid5000/sites/lille/clusters/chifflot/nodes/chifflot-8.json
@@ -242,6 +242,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x55cd2e414f2b4d44",
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json
index c953f3bdb1f3acae54828a4ca6c37cc2bde289e3..42c970a04bfa6a2ed060e1a8e528ecd0bd2aae70 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-12.json
@@ -186,6 +186,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500078e4947",
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json
index f815317cfd0587d0a13d0e5502c4875c614dfb97..25bcbf5fcc8498df683b3e2c56522cd91e0b00eb 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-15.json
@@ -186,6 +186,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500078e6fc7",
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json
index 38f9279e78ee330720afbc7ffa7c90dcf5a012cc..632a9cf891c23b74e671130eb0305b9caa0c3f0b 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-16.json
@@ -186,6 +186,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500078ea163",
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json
index 54b8f07cbe7dd67d012e7614c394c2a55fd5f1d4..acb2a6fac944257ae8e0b76c253d44233448ca88 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-18.json
@@ -186,6 +186,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5000ec6bd07",
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json
index 778715150d62969d3004d39a3225570b41e4b823..aeaa7f74d35f13fd1c0b442656d6c927989454a4 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-2.json
@@ -186,6 +186,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50007389fb3",
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json
index 027f44bc836c5c5a92b543807ca41bf5425f43af..3ac4b1bb1efcbf632f1f4413b7a3922dbe7a732c 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-20.json
@@ -186,6 +186,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500078e7303",
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json
index 7ed83019492fbfb9192e33b9b4607bc9f6173ea2..1cb9d2a77228c2f4ef5e71d63592f8ec53fcaf7e 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-21.json
@@ -186,6 +186,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5000ec2f6fb",
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json
index a4e6b6302c986df7ff4908940c5234e17c04ce6d..bd89a834df21efde94677a94962c209c985715a6 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json
@@ -186,6 +186,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5000ec50793",
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json
index f9120920b01858a9c613ed8cdb5ab08046ba0604..c20ddc1bf0217e5450c62933a1d3b4eb6412379e 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-4.json
@@ -186,6 +186,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5000ec6d903",
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json
index dd0905b3143734058f76c265f684e2db8ce2f2dc..73d170a983b9c007e501e59573d6856599fb2a89 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-6.json
@@ -186,6 +186,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5000ec6e277",
diff --git a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json
index fe9005d01268e70cc5400e6884d5237a48e4b8f2..d35a346bd5cc23978ff6e158f1314166be09545b 100644
--- a/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json
+++ b/data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-9.json
@@ -186,6 +186,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5000ec6d79f",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-1.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-1.json
index 08316548432e7c21a62946d86022624088dfc082..162a4af983fe6b67209cf8118ad7982545761a33 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-1.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-1.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5003fe1ae2c",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-10.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-10.json
index 6e0d83b8ea498e3eb07961788f1d282938d91d4d..4eb79ba7ffe9184632cb26b320d8486550461608 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-10.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-10.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5004008bd8b",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-11.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-11.json
index a9a64c8cb985c918dabb5e456e3d88feb6f236a8..45ad2cd82809fad2738cf20e01b48e0b9c20f0fb 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-11.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-11.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5004008c7e3",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-13.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-13.json
index 67d8eefb8f1b9cd9d1e03880e9306e87e116251a..30fcfbd6088a76a218daf9a27f051e29a95227f1 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-13.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-13.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5003fe19270",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-14.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-14.json
index 8895d87ed988356958e1cecbbbc16be092b0b46e..99df069992bdf5533d44dce25e50a9a33971ed7f 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-14.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-14.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5003fe191f2",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-15.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-15.json
index 6117d193c614310a8c0ee9875589c20594b6349b..7a30dfdc735bf14d5b744e6126f1cad111c5d6bd 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-15.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-15.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5003fe1b5f9",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-16.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-16.json
index 44d92e00d7652e967857ff08abb8408df6af9e33..88fe5a86f94ddb4b25e3434c7d91a057e3428050 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-16.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-16.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5003fe1aa39",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-2.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-2.json
index edbc265a81dafb54aa1fe57f129e284fcdeaa536..b117fa36661e7703e70903ffe2f814366f29f4fb 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-2.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-2.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5004008bb43",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-3.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-3.json
index b217af4cc4c1d1f36ce8ba63ddb053ca05371c08..3633f7802e742ff666a6f5b607c644cedddde48d 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-3.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-3.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5004008ccba",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-4.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-4.json
index 0691fc7995bb9799e2286c234f45d99cdb5513dc..ddfe1f20cc9b2852d2e2ffbad07fba66f9ceeda9 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-4.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-4.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5004008dba0",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-5.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-5.json
index b7c967e5dce23393929921c4c4c6b92a3a01ee50..c22422ae6926db6fa79da4d9e4cb141590230781 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-5.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-5.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5004008c94d",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-6.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-6.json
index f24ad71daa802c805825abec6df8c2721277c890..3618a83ff6bcdeb64406f35a5553393d86914d40 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-6.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-6.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5004008cea0",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-7.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-7.json
index f53fa2e2614d65bbea823f0a1ab7de66f1d4d068..adeaa197f9585b065ccabb7a38d578cf41a74a42 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-7.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-7.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5004008af8c",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-8.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-8.json
index b2f55019b632115cbb05e3c8b2a2a35a79c4412f..08554276a9ba8c0047c975ab150ecdea42fcc286 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-8.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-8.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5004008cc1a",
diff --git a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-9.json b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-9.json
index 88d2e0adb6b47e4f0252c96c1a90519f7d231811..33f8068c64365c0aa454d1159b9a2dd5276710d7 100644
--- a/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-9.json
+++ b/data/grid5000/sites/luxembourg/clusters/petitprince/nodes/petitprince-9.json
@@ -152,6 +152,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5004008bc53",
diff --git a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json
index 62e58cf8dc236b629af046749e7d65cb48b940cc..7219e555dfe5f614b9a0d1297ebc7ed8d9b15d5b 100644
--- a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json
+++ b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json
@@ -299,6 +299,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c40be7492",
diff --git a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json
index 2172eb717d141524c8057d56f289f015faba9cb9..e52a79cd30bdacd9a35ce69d2c4e0c8aeae66823 100644
--- a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json
+++ b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json
@@ -299,6 +299,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5002538c40be7442",
diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json
index 8b33b29863874db762003cebb37b6182b68837cb..7df928c7b60f77f13ccf582d7752dc2a1ad53782 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-1.json
@@ -171,6 +171,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b19280d4",
diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json
index 3011d524cb98c50bd7e82c0e6ee6055cafdd51ad..d8bf6258da794cd1beb3f5db7adb2dd1a26e073a 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-2.json
@@ -171,6 +171,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25c3d0e25",
diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json
index bac9ad590dd59f163da2a130e24d362c29839b57..9f8b3c391d76204dec13fdcccfea9beed304fe1a 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-3.json
@@ -171,6 +171,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee206e7e551",
diff --git a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json
index 70bfae086d8bc314a6b374c90b18070fc6b4ae8f..e8400de66d6eab3daeb2d42eb85bc4c24ec65a24 100644
--- a/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json
+++ b/data/grid5000/sites/lyon/clusters/hercule/nodes/hercule-4.json
@@ -171,6 +171,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b192dd47",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-1.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-1.json
index 51b8390d1e28fa89abed977e1bb106c01473250b..36726967c2d56d80f3a2f525ad034132384f842d 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-1.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-1.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d53233001fa68207168d7a78",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-10.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-10.json
index 193194fdd2c44d5d88c7a6aac38060c4a6832f6f..74a16cd9571b8998c7d2dd978bcec064f2fff243 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-10.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-10.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d535c5001fa67d1b1438aaac",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-11.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-11.json
index 7fd6b0455c722eb166e9245a1b9ad886e6d83900..a7a5bb6af6c63ab7d157bb28200d51b620de41f0 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-11.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-11.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d53084001fa67d86160089a1",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-12.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-12.json
index a3514608db6ea77147843d74b230f0c1dfa9c929..2e1e3e592c5517ce8dab802dc93fe3390ddc6510 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-12.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-12.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d5312c001fa67da41514e86c",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-13.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-13.json
index bc63f5f269c239fe4c859f069f303b2603419860..ec38cb4f3479c235c35b98c245fb9e34e1bae41a 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-13.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-13.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d5321e001fa68240166b583d",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-14.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-14.json
index d574e9c585951a81a7ef1d1510cb58c68c2bf048..b919529a4b23ca5cf321dc1f3af42fa337663ada 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-14.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-14.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d52ffd001fa686f21554c2ef",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-15.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-15.json
index b9c4c486a1d3ca13451c8caa218e4aaa8c096884..ecea48b7ebc3746e4b972a10d3de73b7804eaf8a 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-15.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-15.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d74c2c001faf7c8917427277",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-16.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-16.json
index 77c86909dbef6f16115658bd3b2c18bf644959f1..18a7698fb36a762777acabd26d88ff53d9e2625b 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-16.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-16.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d74aa3001faf2fb9162bd980",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-17.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-17.json
index a557cad84b37ba6277150252904c872354b0ce55..d331340c78b5f300450a7434cfcd0a7c711bf443 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-17.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-17.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d74b43001faf301d16fd06a2",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-18.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-18.json
index 0dd1aa304778fbb24307045ca67578e2703e8b5c..de1326c656bb12fc7eaa2350c99876f27189e066 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-18.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-18.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d74c2b001faf2d6f163a704b",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-19.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-19.json
index 3d23192e3791a92084fa688da6708d90b5ca90d0..fc8cbe89a690d17584fd0bd3d83f21f067d76bf9 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-19.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-19.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d532d2001faf306f1651a996",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-2.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-2.json
index 30b10899ca74a70dd99cfe50c33ddef20c748b61..c8dcec027771239b7886ba3cfbe9e9a34d816f21 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-2.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-2.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d5365e001fa681f6133ccb43",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-20.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-20.json
index aaea8293c20064794af817130a33573e4acad3c7..831695beacb3115cb30efa65a5ac48b771bad2e1 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-20.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-20.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d74b9f00234f777e59eced29",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-21.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-21.json
index 4a97bef68cb1b41a36ae6bf8e34fa943950de960..e29d644225f5756f1b079982c5383b43ce35103b 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-21.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-21.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d74c1c001faf302e172ea4cc",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-22.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-22.json
index a5916d3ef0c3cb4d055d0c748c30eeebf539aa47..22e039f31076a057bf03844734b2ad1113a62d6b 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-22.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-22.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d74ba6001faf2da114b597f7",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-23.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-23.json
index 5c239da42db2671db2b993ba03d1ed4040246673..c578579bd601a8bc443942f3edef3347d87f188a 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-23.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-23.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d74ba5001faf302615c2126a",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-3.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-3.json
index f063e984155909ea6244c488db46be545131a1d2..e312130403041a29661fe0147ee04fe3b168c9ee 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-3.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-3.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d5312b001fa67fc516a57365",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-4.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-4.json
index 768c02bedeac6e07493bb806a9a480ef35c5dd6a..0edd615d4db8f7da6b35d1a95c6be994a09da315 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-4.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-4.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d5321d001fa67db113e2e912",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-5.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-5.json
index 81339a3bc03b1bfc0ed2bc369e29b712b68ecd5e..4b275884428dfe2a911bc67e57baa4cf558efb0a 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-5.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-5.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d5312e001fa67d9b136639e4",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-6.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-6.json
index 856e36a54096ad031c0bb1d4fbd37b0c3520018f..3691265621d6f916032a1c6b399ccdafb6a53d59 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-6.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-6.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d53546001fa67ff81693868b",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-7.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-7.json
index 310c6d689b41886ad1135515d09f38d89612d17e..0d1507099cb38781c29e1e357781c80ce60e91ba 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-7.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-7.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d74c1a001faf2d7213cbbd90",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-8.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-8.json
index e13158b3e1d63386f3f5ba93daa65b7d2888dd69..e12567f2be5a0e52b49fa2e05851a11b7d9b15f2 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-8.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-8.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d53639001fa682f814f62a7a",
diff --git a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-9.json b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-9.json
index 8e50d6465905462c0b9c53f452f07f8293be9650..41bfdb1b1e7ccac6a009b0d4186920209a1cc624 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nodes/nova-9.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nodes/nova-9.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6847beb0d535ed001fa67d1a12d0d135",
diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
index ff0a43776e458c7a8f5a487e319590727f0932dd..704c2030b21136381054ee31e6ab617c1162ac06 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-1.json
@@ -221,6 +221,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6d4ae520ab2833001797384918984fca",
diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json
index 4c29e73bdffb7618c49868dde6b2f925ed6dec69..a05a74963572b63c74db7e1c73f9452f0a581148 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-2.json
@@ -221,6 +221,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6d4ae520ab2be9002413f44f13a048ac",
diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json
index d0ab990340f56c888456b691d5696cc71f3e2d02..0aad9190ffea635b8e726e1b297487d97dfd2105 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-3.json
@@ -221,6 +221,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6d4ae520ab2bf10023c87a0a083708a4",
diff --git a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json
index 1d8460a7ddff5d340afb7328763639209cc821c6..272c806c1ca6ac5ee8d2b5473f533b1bf62d0ac5 100644
--- a/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json
+++ b/data/grid5000/sites/lyon/clusters/orion/nodes/orion-4.json
@@ -221,6 +221,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6d4ae520ab23f80017973cc4197b7ff7",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json
index 3f9e8c937848fe90054d0eb53415c418ecbfe5f1..4ce4eac0b30a795abea7ced4acfb9bfeb13fdc10 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json
index 3536d37c84b91e1fc629ae5038472bbf2511438b..dd29a0f6258b76fa37e2bafc851fdf0097d7ef28 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json
index 4d09a7b2f88c781ab3aa4fd4ae10370ae2062c13..ab09e435a187ee8e463e563993bfa35746e57d4e 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json
index 28558ef677dcb1aa8dc84c95c8050032e3713cc9..31381671b78e4857ebd34dc329ea72049446919e 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json
index 52b7c8c08e05510b96a9b08467e7d42b43424c50..083e6984d8f9f8778fb5e79528b7f778d74a5b90 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json
index 96d5acdf543572de4c6874c2e9c1c4327a01d412..1b722f38eb2db5ccf4f271faffea27c286f8bc95 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json
index 9ad7c2a6276826c5eaea3b4b85a8142027f7398f..237f343e992e4b55d932dae1c0aee27ae3656d80 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json
index 2bddb0159c9b11b5a8cad4350d60cb41a81f1c11..1e99c64c7d16b1ee9658104371349ef2d2e98696 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json
index a9243fc8c5708d0ebae80fb7a3f348ba47d8b1b3..b9413bfd8b7d693d678fb6e241aa42f4b38023d6 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json
index c5aaa24f4f8d8164c8b75874b0860222dc7102bc..f409f83212fbc08155a72089a9f410ab018d1599 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json
index ad3fe4eee0bd64c6457a4fc303ad9d7105d05778..ce20b049e80871f832af70b4d1ecbd1be8bb01bf 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json
index b58f7f1297c8e8a7be1e7e305fb8668b63414fff..d9943f83bba95685b8fa10d4c9070dcd310a01da 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json
index 40a81859368891561c3deff52986df6790703d6d..8e36249afb02caa0067d91ee3f0702b0b08468d9 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json
index 33c70211e74f1c646061ec3fea6e88bba00ca1f3..5ff5205ca6ef53d9a4c2bd1282b4adcfd8f2085d 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json
index 5370b3a0a60ca8481aa3a861ab7920092c44a174..e4c4a00decbae2070a36c7e50f85a24e8fdcbf4a 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json
index d92a5790571022e70de0e66873719fd510ba3b39..d69d5a6ffd28197885336b30f07a2bc7ce29976f 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json
index 786e8f79a3a4441fd27730e1985451d43260626c..335fa97d1fc06bdb63f08eb4029a5a0a14af5ad2 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json
index 1da745d11d1db0d71e6101a24f9d35669b091744..640d935ecb44f47b211a4eed9a74be5a7d517167 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json
index eb67bf506148aa514fdcc34562d7c29bba60d041..b51314f1e84de35fb1b379f7fbb4cc8daab2ac71 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json
index 38b229c819429f96f8e30318ae3589def0f0bf92..de39f446f52acd2d990fc3af53034857f23df78f 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json
index 3674270db6648cf4957adca8083bcb89e5732de7..467473a22ef47016851d3e62b27b6442f4cf6403 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json
index 43d30d1ef86309109680a207b5ca408ba7c9039b..d2e3350e8f917843e176a3cea31418cbf602738c 100644
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json
@@ -146,6 +146,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "",
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-1.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-1.json
index c9fd8256e32fad59ce2769d23d6b91b4beacd1ca..b8e2f9af1930a03e491642e3d7b031d3322c6cd0 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-1.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-1.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6d4ae520a8f749001794133a1901fbeb",
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-10.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-10.json
index c2f63649d93fa5a475404ae20ec140e4f458684b..4cae6c19f50cf09839a953224475be80c6ec7af8 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-10.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-10.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6d4ae520ab2d71001794106618de059e",
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-11.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-11.json
index b8a40ab4916b9ffab67e1b09fc548b80baf145e2..84c53636c3f6dcb3fb0bbf0aee709b539e25046d 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-11.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-11.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6d4ae520ab02df00179417e61a87aa8b",
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-12.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-12.json
index 63c58ca30c4f29d47560bc3e27a8c7a173eb7688..7fa9f90f8a3fc05490c609e05cdc8a87d430ff8b 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-12.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-12.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
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       "by_id": "/dev/disk/by-id/wwn-0x6d4ae520ab2dde00206e64f90adcd6db",
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-13.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-13.json
index 63290e14c28664ddbcf77273abe27ed08004db9d..ae8958d21b7957d226083f80925162f8b47fded4 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-13.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-13.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
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diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-14.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-14.json
index 4476d5ab5e47ea983415728874d95a96ce896264..69bfd1aed68f3d5afe0b4de8b2da96993d6f5811 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-14.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-14.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
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diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-15.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-15.json
index aa614dd1e97a2beff61f0205bda97c63b9b5e941..32d578e1539503b3b23246d792da3c3492e3e7f1 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-15.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-15.json
@@ -209,6 +209,9 @@
       }
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   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6d4ae520ab2dfc0017941438191473bd",
diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-2.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-2.json
index 33a330019a74189a03c68396f62b150c4a10899a..404e04e0da04525f6c46697a930ad6b311c37685 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-2.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-2.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
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diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-3.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-3.json
index 3ea45fd2a25e3e495a2ba024a6db00288376a4bb..0d17b420f62b66011a8a39dd638780214e354b4e 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-3.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-3.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
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diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-4.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-4.json
index bd570b19dc282aa406f1eaec6de5357ffc6baa32..3523223c46fac6f6db799d35aeb2bc563c3c56db 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-4.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-4.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
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diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-5.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-5.json
index a0d96499f71aadf800047ab196804a93d9eb7353..ac6a88bd6940a62b1e04031a9fec9c40df358d5a 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-5.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-5.json
@@ -209,6 +209,9 @@
       }
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   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
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diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-6.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-6.json
index 1d56109802f1fb024fb98181d0e0454ee0052c20..aa033ac4190d8297fa4b2ef2e5d0a1b17ec81b96 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-6.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-6.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
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diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-7.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-7.json
index 1bb4eec728d980921b4fc668a2bc36cd69a7ccd4..03a27c903f8245a05250319ad2e69eab9f0472ef 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-7.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-7.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
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diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-8.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-8.json
index af8626e800f4fb661bd801a02c300b56d5fec23e..cc1b5c6778e501872675bc1a047f56f6bf35a6ad 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-8.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-8.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
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diff --git a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-9.json b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-9.json
index 413c444e7daec8b544012e40ae3eb50582d41656..53ed4360cb1507b39c977a40888cdc4c1b851f67 100644
--- a/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-9.json
+++ b/data/grid5000/sites/lyon/clusters/taurus/nodes/taurus-9.json
@@ -209,6 +209,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
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diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-1.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-1.json
index 0fe1a32051781737397dcf52ceaf06cd15ad388d..7877c1f0c09b8a4c74c5bc521e88dcbb6e2dfdf0 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-1.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-1.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aefea00024afe4c307e10af8",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-10.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-10.json
index 7cc402cc060f015bd2dfd861996a8d8e8a2fa42a..89d3d87c7cb91e165fe860cddd2cf1358fa3c83b 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-10.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-10.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aee1d70024a7bff804ec6e41",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-11.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-11.json
index d4476fe3ad5fe91005613d224d0d1be72faed557..06b0465eace204153e20e76ac4b9881e0be88fa6 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-11.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-11.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aeff5e0024a7bfd604d35be4",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-12.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-12.json
index 8092c155d40b4cf9fd2d35c108a6089b78bd9d46..5e3e1ed392785f8395512bbb950479afdbc3f3bd 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-12.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-12.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aee17b0024a7bff104dc6471",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-13.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-13.json
index 9491a8e0408df18b55fad4de0da79a79a8a0ee16..8654fcf0c1c903962f59457864457ef5e37cb443 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-13.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-13.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aefd8f0024a7bfe304e28a0a",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-2.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-2.json
index ea0bc957ebd79f72828d2a1bb0a473fbcdb611d2..ec5994d665795497bbfcad71c1f4e97d937cb258 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-2.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-2.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aeff430024929b4003cd51d0",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-3.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-3.json
index f5054d6f77d6b9270d140ab6e1154f968e80105a..8f150bb5ac8ec63c923d859ebd26c3048aa9c067 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-3.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-3.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aeff440024a3cc780477d47a",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-4.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-4.json
index 5c6bc98f2a092e73a0810ef7da261612478c104a..91ec33ddac97ba2e175bf2f8c14fd3bcf67b325a 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-4.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-4.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aeff390024a4aab5047b5f32",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-5.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-5.json
index a0218f419eb9dd3a3c80ea0304a4a68bcdb86707..c8073c822489a7c5067eb88858cdb3ddd16cc340 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-5.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-5.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aeff410024968a9d0538bf26",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-6.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-6.json
index 7d81cf0854dd080d88cb038c8cdde8588fca5e98..fc9eb758fbfb9fe0cf910d3bde5c589decf2ac73 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-6.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-6.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aefe4c0024955d700575177b",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-7.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-7.json
index c0d95eb8d9208c8561c234f5c0080e5974017989..53ee422c39979374ec11df64b11212bb8e91d764 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-7.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-7.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aeff3f00249d84d7048679f0",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-8.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-8.json
index b3a8aa4231859aba383e2bf636f55b27bf9a815c..ec0544363c3b527bc678395df8a7ac033941e5c6 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-8.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-8.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aefdcb0024a4ae6f048773e6",
diff --git a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-9.json b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-9.json
index d245ed87225f212c23167c2063916dff04990b8f..04ca76fa64cbf611f9d0d236f8bf388672b4e88c 100644
--- a/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-9.json
+++ b/data/grid5000/sites/nancy/clusters/graffiti/nodes/graffiti-9.json
@@ -214,6 +214,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6f402700aeff350024a7bfd004f0af67",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-1.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-1.json
index f04414c8fcdee59a7066629657260f34f4c85b83..92def0f43de4c46ddcf7bade5585342c19e6fbf3 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-1.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-1.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5107cf",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-10.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-10.json
index dd9995516fa2033a0aa773cbbafcb7804993b3ec..47f29074f81de447b31a9b1f635e039436e3dd0f 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-10.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-10.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e51463f",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-11.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-11.json
index cd825b0171fa6aa355eb2964382716f324fd98f0..641eebac714e9c3ad0a8b0d91fcac850fdaca0c5 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-11.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-11.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e510dc3",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-12.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-12.json
index a40a28f1057ef62c65dd5d2f4469809840541481..83e01fb8eb10f86cc83e9926da6eac653b9c329e 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-12.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-12.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e501d67",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-13.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-13.json
index e4eff2dc471e4bb9e6baccbd080791a44055e2f7..159e58efb96767f5d2d0fdf76d21ea51bdd8633b 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-13.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-13.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5025ff",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-14.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-14.json
index db9918dacea9a9d73eb3b3d69f206280e957dfb9..5a27924f2ea8a78e441f95a4f73607fa8cc0a852 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-14.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-14.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5139cb",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-15.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-15.json
index b6a1bf5d68a243026141309bedb406936c155eda..3ff63985c1728dc8ab45783efb6a49805a4d9345 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-15.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-15.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5142bf",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-16.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-16.json
index 3910d1119e92bfac5abc9c53771de5335650a0e2..1e5410085582916466f2bc5fcd66411f7b1d380f 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-16.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-16.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e4f98b7",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-2.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-2.json
index ee1107f4563714c406462ac22bed5267f349901e..bc23f44a429ae9b3f0d07d702c2bc4b88b7eb615 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-2.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-2.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e43b127",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-3.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-3.json
index 2beb6aa1190845059e17f9fb1100ae224a002d40..9f6520749caad32feb9aa5cdcb8d2cd2a9ec4623 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-3.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-3.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e4f97ff",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-4.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-4.json
index 8827ed3547e7abce62dfaab5cc29dcefe4c8a331..d02afc125f4f076f029c95de9f8621c4d8ad23f9 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-4.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-4.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50f9fb",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-5.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-5.json
index 894e54db6fe289230cf12ae18f1383f4d4db661c..f0945db6fa585b7cbf79cb090f70ba73231aeb84 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-5.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-5.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50fd3b",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-6.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-6.json
index 11df9be1a9be1c9520abd04c4a8c1794c7644a07..bc6df16930853ea3e6b1dd44a1a766f43e7c98d8 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-6.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-6.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e51070b",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-7.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-7.json
index 962a2dde41433fb45352bf0ced619f149e2217e1..87e9e6e809ab1aab045faf456cdd43b03403edb8 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-7.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-7.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5115c3",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-8.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-8.json
index bff64786971deec33a2867ac6d1a0e23aa443964..fedf11bc6dfb75e90b0fa87bbae773401e8c2aeb 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-8.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-8.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e4f9837",
diff --git a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-9.json b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-9.json
index c56cdc276f25edab684480d2fefe315b118188ad..32058b162dd51549684c64e3f809eeb6a0d26dd4 100644
--- a/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-9.json
+++ b/data/grid5000/sites/nancy/clusters/graoully/nodes/graoully-9.json
@@ -229,6 +229,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50e497",
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-1.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-1.json
index bd0b47884a233eab451029ba6cc4f0453a53b50d..41aa476df61245cf395ebae0a8b6edbb7f9b1ff4 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-1.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-1.json
@@ -218,6 +218,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6b083fe0d4f321001c1251a311fe7e14",
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-2.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-2.json
index 2c8b175c24626b9e3646521176388db916fd57e6..7ce33ab0bf358b7c18e7484681571e5567c88b6a 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-2.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-2.json
@@ -218,6 +218,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x644a8420018050001c7e477b12eb7708",
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-3.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-3.json
index 39306425ef9f0e856ec0272a5aa4695e5b4714d3..6d70763db5574b246ac1ec8ed9226968877a0f85 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-3.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-3.json
@@ -218,6 +218,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x644a842001804c001c7e47d012cad591",
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-4.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-4.json
index f5e2fdf3679be82f035138aedec6376106d8a478..077e1d7b20e100949e2f15fbe1ffe171a396969f 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-4.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-4.json
@@ -218,6 +218,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x644a8420018129001c7e47be1348b9b1",
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-5.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-5.json
index f8ec68b1c9ca7e10f555f1d3d06059e4e6eaeb12..dfa54c6250a7d9da7e94983103f3c8653dddf703 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-5.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-5.json
@@ -218,6 +218,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x6b083fe0e25cdc001c7e479d12b4ee36",
diff --git a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-6.json b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-6.json
index 9cfd4f6b79305e9ea88984bf972c94dcd1d61d62..20cbe142381f7da1c9f7ca423d888f14fac6d601 100644
--- a/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-6.json
+++ b/data/grid5000/sites/nancy/clusters/graphique/nodes/graphique-6.json
@@ -218,6 +218,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x644a842013b8c4001caf39ba130a14d7",
diff --git a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-1.json b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-1.json
index 5218d4c00cd34ff6dceb55725d1be8b3e3013a49..88836de4fee8edbe3d40e9a1c68624dab7947efe 100644
--- a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-1.json
+++ b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-1.json
@@ -215,6 +215,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50015178f368070b",
diff --git a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-2.json b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-2.json
index e092e5ce1e0a0a020055646a280220a82421d1b8..fe52b1b5ecaaf169c37e6827eff990003bf08006 100644
--- a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-2.json
+++ b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-2.json
@@ -215,6 +215,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50015178f36802db",
diff --git a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-3.json b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-3.json
index 6683126d2463f3294244cc08bf556582d2e2e25c..d796d1ea0b8ddcad9c04a48770189ff2fc9ba288 100644
--- a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-3.json
+++ b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-3.json
@@ -215,6 +215,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50015178f367f896",
diff --git a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-4.json b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-4.json
index 20422a18c4581729c03eefa1298c6945f205b803..01644fcd252a991aa74249d8563d4be5b9103c83 100644
--- a/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-4.json
+++ b/data/grid5000/sites/nancy/clusters/graphite/nodes/graphite-4.json
@@ -215,6 +215,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50015178f36802eb",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json
index f5157186b775706bc30337367c8c5a7abc401c9f..65a1b18c88b75b22532079b0a7541667cb3ddf40 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50087efe115",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json
index 904ba80a11cc4732c70a90affe1892982b42d17c..eff02f518298188740ecb472553dc4e1a3296c53 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee208247520",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json
index 80116a68a4a6d825c62edcc69ef5e8002327b6ab..b99570c9ad528387ee987c26379cc2e2d9db0e40 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2cd938a",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json
index 158f9b334dca5005b32714d95afac045a4dc0264..0599f3a406fbec7d0f1b6f743f4f5710fcf3a567 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2cf5191",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json
index fb4728e83c7c603aa87f0cdf859a59a05eb8beb8..75d83647dc73a4f49ac3c1d45eae868879f8ac1d 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee208314962",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json
index a55183dd64649a1d5d29ea4e36be1e67a2f8e2e6..be0c167c78df649a1c90128023362065a5e0e96b 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2dc2314",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json
index 8b08d996e9d9a14d131f2188e50a77e04f4d3ede..27f2e4927699b644efe8a6ed98f5f65e56de671b 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee208313f95",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json
index 9d871969328bc95c45bd0fee27c13b7c76b88c1a..7a52cb015442dde9a5f3ba0d38c437d228b330ee 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2083170d8",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json
index 4e0b65031d8a68675258ac8682af19eaaca30cee..11b4740a1b9f53e04f628e53f6eb152e43169ea7 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee208247730",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json
index 4ba36aec9d21ee9fee5872aafb7e457ad006800c..699b17a400f1571564654b2fa7e90cdafeb9de6f 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500659322ef",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json
index 0514dd47234f783ad727141f738a7402489a7ac8..6e05ce414b710d9787d1d7687bd44023d55fc11a 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2ceaef2",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json
index 61ef2a3efaa2a7d9e5697680e2aa1471755559aa..ea7539def473292923031424ef6ad5877ddaae16 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee208259c90",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json
index 6f87ed8370aa13c311326f5ef71081e28a750105..8841b8a8a85691d71c5d9ff6f34ca62bdef47da3 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2cee7d4",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json
index d185fb05d82a8d68a42dfbb6779bb5089fe80a8c..be5d4e9dbb8b52c50c2124030cf1b3e517542007 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2dc2c28",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json
index 0a411fe2d253564f7fb3de5f11b2e316780527a6..6425feec5e86bd9498e93bdedd4cdfc1801ee707 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2dbf9a3",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json
index 185569ca8477e404fdb9a0f2ea602032258a84b6..6d3c4402e548cebd27f76e0ed9b096ef3571c299 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2083161d6",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json
index e6a6ded26f8d7a47c42fdd129c7e99d569deedd5..6cb69afeea05f5edf08bc0d4b211fb75a32b4243 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2dc001d",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json
index 1a7517e1e6918f4d95b18817385b413f19a45665..a3045239ed966bf9b95e6c9c94cc7d480a860ee4 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25d868c64",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json
index 03325ea8848a645c29c3f3af9aabc83f91cebd7b..40dfbdd160357b819e30b2e5fceec2559086e534 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25d775fd3",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json
index 2eaf8c802728953f1cc59eb764637f211e49ece0..16735d747e66d9d250555e681a07368a4d45d544 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee208313898",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json
index ac55dd3a001348da17ff8a3f0a5be899117db4df..1017e9226b4fb52796966379a4909beb5cb53c10 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25d797854",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json
index 08e50be5ba86a5a9fef3c479a58cde217215bb29..6fd17805491bc422dab0dbc05cce3d374f2c17d5 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2ce20d1",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json
index 43c589d3529af66ffdf64bc03429d1471696ab7d..35e0999f13b0e156215f7c710dda9b1836cd491e 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2d18aac",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json
index ee04d35bbeacc71faa18218c4dd7434461b1e9ae..cf9a24f9ed40f1f01f65de5a3a34090998f0e661 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50092453590",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json
index 21cb7c6ccdf170d754583d4bc66ae2b63566140a..6332b01899d37bb8c30912c4bb8ece460e904af6 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee20824212d",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json
index e2b4e731d69000390195f26360e250c27fb90e63..131bda4a44a9fcfe41643f84817acf45c9f48334 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2c4db06",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json
index 258580e94144b6e22df4b84dd147f9dc36d0a670..dba6124ad8485fe3ab3e23e8464523ffd9b46f92 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2083156f7",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json
index 6c683347f60109d61501340237343c5697016532..642cc271e883dd4686c93f79c43e5da84371d39b 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25d866c80",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json
index 04ac31c82d0f180a0734451dc3e0da0eb100aad3..b36845268d3136b1dfc8b4a593d31183841d090e 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2cf5b39",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json
index feb7d07f761bfa9ab09c1031af80392bcb071c9e..018a0cbf2b7a193399d210ab8ea19253560d520f 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2cf0b6a",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json
index 1bdb65dae4fad2bdc61d98741bea6c6268c4263e..a9c0e0500ef60a1a05e8c6c2a73b4f55fbf058e3 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25d868aef",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json
index a0a568716c16e174f7ae0fbd7d0198bfaf48587d..51b6a5210c2f5fbe23be9ab66bb721a4cecbf72a 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee208314bc1",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json
index d18317e02f2c654706c93ec9be96ee3219fc1873..d25772bf8d6e57fc6e562ed303954f4704677b90 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2dc0a00",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json
index 1eabd248f68222d11a89b13ae6e1f205c12d2d48..a8e2f52adb4fded243916421fabc27580dcc7eb5 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25d790253",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json
index 52b13e37e7116245f80332d4ec56dec66b4d77e4..e23baa9b332b40fde66771b8e528ae9d19ed1edb 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee208314d3b",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json
index c9d858217a742cdaae00b65fe42ce6c87f4fcd4b..83dab774f4fb234bd9d89f42b1d17b1c0896343c 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25d86771f",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json
index 70892ae16eb26e4529f00412181e3e71de25124f..6ab20d8ad8cc1f0e8e37b7bc3d6c4eca2f84d91e 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee20831444a",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json
index 8d658ec5314ae3362c93f3c91ea40ed1a0d01af7..7f53f1c24e62f2506af0ad124d99e1288c1c67a7 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b2dc1784",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json
index 754a4f4a978bd498b006ef1e8e8e9ce11ffdb999..d7413dd3753a03b366b50f7b0393d2f3004f439a 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee208313f9a",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json
index 639bf7d1f0152b6285911b310825038b09d5f866..6ab5c19ab61bf89257fb1acff7eb25e379ed6354 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee20823da5d",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json
index a46ea766b9f1b3298ab5dfbd2d63a3479ff1479b..0cc4817139596ddf390b49ffd913eef9af450e8f 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50092454854",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json
index 4f0457b4f5b8079387a921a8622260f487243fdc..6f47e19e75fed4807392b2259dee852747fed5b4 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25d79a099",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json
index cce981456eda76463e96a2065445fb1013de36c7..79fbf3cb1b3ee7642d5029b69f37aa56c79c023f 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50090f7b98a",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json
index 3098d7c00a92156b680139bb6e484c98fc681432..8528dec50744e4ffa21148946080487a1264c593 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50092f6a804",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json
index 0ceb46a3566bb7e8ee083c8fcd0a4b4d22c839f8..732c4632311d95cce87f555975fd2c0939969156 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee208243d9c",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json
index cbd2de6f09a41a8c8a567304064615bb29b719cc..8056cdd9eed1b007dc4eadda1db334cb55cd8213 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee208238864",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json
index c9b925beed6f1891ec28b8f2c259aca73b1239d9..53dd180d667863ffc38fc42ad124bebd0b5bef13 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25d7addea",
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json
index 3a49f1152c4248a683eb48d12593d8d7c89269ff..ba0bb9f4b716a4ad295be0f25ba1dfae4bd5c770 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25d79b6e9",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-1.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-1.json
index 499cb13de5b3b6378bb593c90786aac52f95d4b9..230e3603993285b4f03132b91f8781bb2c7d54cc 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-1.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-1.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b5ed290020f0ff3b04942750",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-10.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-10.json
index e1c5f675784049d09c8c93be705a6c814b4a867a..ccab4874544a7040e7757c14785495baa89e1ec9 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-10.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-10.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b5ed620020f1032d04bba445",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-11.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-11.json
index 46174b5cbdfe747ac88dc2edb50899deda88e626..469aa6a5cd9b6a6696eb98c5e789c962b71d8bcd 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-11.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-11.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b71d4a0020f1032c04b9cf50",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-12.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-12.json
index f232f05d9dae308547c9057286bd802ee546d92c..02af240e2c45193a2ec8892d1d43b37d7e9af437 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-12.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-12.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b5ed4e0020f1032d04b82e62",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-13.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-13.json
index 93ee93a4e4696d4aea15cc24d31997d0e258d8fc..b26393d782384c404671b5a2ed8b8a310f9acb81 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-13.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-13.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b5ed730020f1032d04bb5a42",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-14.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-14.json
index 20fcb68c106bc4f96000d942e67d214a723129a1..25ba51dc34ef88056a35abf44196c46fd104f11a 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-14.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-14.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b5ed690020f1032d04b81a70",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-2.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-2.json
index b75d714d239db497a31c6c858d61755afaadda57..706e8d1c18b1f8cb7d741a71e1f7b0f3faac3a4c 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-2.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-2.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b5ed2a0020f1032a048f9578",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-3.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-3.json
index bd51df05bc4eb66883501a4947b1bb7fa217ae05..7486f6d7b7012f8ff64d521e8ea37be8deaec0b5 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-3.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-3.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b5ed6f0020f1032c04bd15c6",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-4.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-4.json
index 11805906f07de7950a0e86405b0cc66a8c44152b..1d2e7c92707778f0a392fd0a32df6aee5b391282 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-4.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-4.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b71d5f0020f1032d04be1041",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-5.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-5.json
index 134ca0026cd0148ade0d5763c5a268bed4008e91..aa1c029f42f33778470bbfc73fe1cc85b3a6583d 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-5.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-5.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b71d4d0020f1032c04b8def7",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-6.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-6.json
index 417b80fdf2963b42d54c1c82044e4f184d23c9fa..56e93c1c82b16669850b88300b698b5516a2d6bb 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-6.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-6.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b71d450020f1032c04bdd746",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-7.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-7.json
index 2d14b954ec2be5aa967225459771c3d2f3ff964c..08b609a09d9a1b1cc257ac3a4d26b4420684b195 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-7.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-7.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b5ed4a0020f1032d04c19f7c",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-8.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-8.json
index eea977b028d368caf4a75110f72e5c90feb12387..759f186ba688ab399d7111fad485d6d7fb0aec13 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-8.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-8.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b5edaa0020f1032d04c034d0",
diff --git a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-9.json b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-9.json
index 3c48c49a70ee5efd0458e59802cbd9b02af6ebac..6458603bebbf6a321a14eab151ce9020cc5ae7f2 100644
--- a/data/grid5000/sites/nancy/clusters/grele/nodes/grele-9.json
+++ b/data/grid5000/sites/nancy/clusters/grele/nodes/grele-9.json
@@ -212,6 +212,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x61866da0b5ed6d0020f1032d04c3c44f",
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json
index b6064200817e85b0f11a61d7b1a62fe815c06cb2..d984bfd7f8db80b0a89ff4da197af06819bf1150 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json
@@ -217,6 +217,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008cd09959",
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json
index 5ceba43d802ff439f43834fd178e4cc5e42e2e77..a7ef91aa3dfdc41ff377f4babe2338d3e9f22a7b 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json
@@ -217,6 +217,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008cd09a85",
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json
index 3a92a80cad78d6796ea69c5d1e8075100797407d..e0ef40ffc7eff23a262fb5205d4ce6e89ff98489 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json
@@ -217,6 +217,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008cd099ab",
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json
index b7f691c6bdaa9a421d0072fa9364f921dcfa63f7..2897d2065bb2868ff021d290b6db5e231848a77b 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json
@@ -217,6 +217,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008cd0b9ae",
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json
index 26d3ec7b6f125f739916df3d1a5d626778ebca88..58006c89a705d9f5654f54d232a28baab7e1fc1f 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json
@@ -217,6 +217,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008cd0bade",
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json
index db9a177fcb3cd7113e737d85257f61f2cb3f808f..1fcbf1efcbd0801d5fd1de9940dae8eab965b1e6 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json
@@ -217,6 +217,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008cd0b091",
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-1.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-1.json
index 4e38f7acc7f59deadf0f8d8d85b3da12cc84f299..6aab1b9becdc8994dac951d9bde7563ff54b519d 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-1.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-1.json
@@ -298,6 +298,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e514393",
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-2.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-2.json
index b5edb9c8f133ca6fb8868f3c01cf60d3925ea02f..fb9901e7123845bf38ca5062bcb7c1ff1548715b 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-2.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-2.json
@@ -298,6 +298,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e501987",
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-3.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-3.json
index 814a1ea574eaa77ba3a1986fd829fac5fac6a831..f69a287db2eff7578376c960dee08a0d5c00ebb3 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-3.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-3.json
@@ -298,6 +298,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e514093",
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-4.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-4.json
index 6ad71744108ef2d093244d7922ed2d33f76b5881..000f134dbba7eb2b5b6025b4edcb824b249026fc 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-4.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-4.json
@@ -298,6 +298,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e513a33",
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-5.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-5.json
index f65b49f1707efd97e88b57eefed571dd270ffa11..199eb802cd602e8931bf503cc15d4a2a21a96f77 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-5.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-5.json
@@ -298,6 +298,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50fa3b",
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-6.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-6.json
index 2f1fc7c086e3da8c380352ba2f297159c49d1769..c8c9d3839de38175046a4936bc7c22bfdc2c180d 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-6.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-6.json
@@ -298,6 +298,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e4f8dff",
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-7.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-7.json
index 721b84af6d34cc6705044fbb14a5bcc155374f78..03dc41f4965141557040331091ec73f0e8f1a491 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-7.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-7.json
@@ -298,6 +298,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50da03",
diff --git a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-8.json b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-8.json
index 915930b45d0efadf4dc2b59d5001dcf3c38e42e6..5123169585a8ca5426466f6f3462bc923dc39497 100644
--- a/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-8.json
+++ b/data/grid5000/sites/nancy/clusters/grimoire/nodes/grimoire-8.json
@@ -298,6 +298,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e509233",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-1.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-1.json
index 954182bd428d057fb56169dc6eb0a4af2bb11e63..13c803501218c32254f7b9dc18c51932ade0d083 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-1.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-1.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e513d3b",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-10.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-10.json
index 6158994e48ae5c1b56a886b49485d3a012dc7b85..c955cfd37308a8847578b20f6d761fe9df6230f0 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-10.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-10.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e514a3b",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-11.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-11.json
index a36aa3dac84ac39b4331e0c6019a746446134075..0f297d7496638505dd2e1c1f18e34e8e9de9cc18 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-11.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-11.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50ee8b",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-12.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-12.json
index c7211d94088205f01099941a6e15eb01588a62d0..860f06d849a04e6abea814f2789686059a17b579 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-12.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-12.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e513917",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-13.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-13.json
index c615d02f4f3bfef334c47f5f4e196c5bededb0f4..a65c6fc758ef3859bcbce4828a1f6cfbc2839742 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-13.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-13.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50fe8f",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-14.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-14.json
index b01658ad9e14be89b998a15597c0b4d87533b114..2935b668b259b327d6573eecde7b40c02527c328 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-14.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-14.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e43ac97",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-15.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-15.json
index e47c49f35bfa911e81f52c5a4bf61473a09896e0..7e18463eae5b857eeb1631b83d48bf5e7df7a0cd 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-15.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-15.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e43beaf",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-16.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-16.json
index fc5779621ae1b0d8dbda859b6898058a6e68ca33..cd98c00afb6855900be9a6c8a5743af626d05b96 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-16.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-16.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e513ddb",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-17.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-17.json
index 7a5d1fc4555063d41fb446d02814a4b6daee1d33..54f3418d54ed76c27159efeb8941abcecd7b3b42 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-17.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-17.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5113d7",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-18.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-18.json
index 53aa9ad5aaf000d6d17452f9fce6b888fab39960..98dd698e3c453d774e70005fb1f3957970df462a 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-18.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-18.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5132cb",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-19.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-19.json
index 780af9b10eca8dccd48bce630577d31f1c59d47b..6251d61f8d061a21c2dcfbe0ecbd6fadd9f060fb 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-19.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-19.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50df07",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-2.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-2.json
index 8d8c0d48fabd0037f0cc93608d8f076975d7248c..7c06d11b8d2410ace3d92b2a1a56cc1df3c7d4f1 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-2.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-2.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e51428b",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-20.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-20.json
index 54599f6b7cd6670adfa86bd19ee88433a4e728d5..8b3c5d0172ca6bba2bad5463ee51d072ec169f83 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-20.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-20.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e51448f",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-21.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-21.json
index 9cf63ee8d88108fe68c032e93feb499168c84761..e2b50da7ad22877c407be0bfd850f086f9e7b4b7 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-21.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-21.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5145eb",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-22.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-22.json
index 85b25d2177664e2cd898fb176d4544587f025b3a..932b4bca18963ebda230c9bdcb0b69f9a4289420 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-22.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-22.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5141b3",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-23.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-23.json
index 405b17267065ad5203075b843f2ff3ae5165b284..3d0289baeb957197db9f443242c6be7e2608ce33 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-23.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-23.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e43b8a3",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-24.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-24.json
index 152bb72741f8ad034309fca8395467ede85340ae..450a412fa174afa0d43f88bc3795ff816191aad2 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-24.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-24.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e439c87",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-25.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-25.json
index 51fef57522f07a01712efb73375bd4e132a96ae2..6b3b4223aa33a090c5b0b971de1fa0c4f339797c 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-25.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-25.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50280f",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-26.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-26.json
index 1d708a8eb409abb054c394f8b8c43e486a1f5771..39bb23c6b2d42e23c6d324e1e27cd6633b27c60b 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-26.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-26.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e47b26f",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-27.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-27.json
index 5d829e61f413a073e13340e65b299bb478065e5d..82154229b73329041e8371788c1fa35acf78de7d 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-27.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-27.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5027bf",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-28.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-28.json
index 828aed2197a2b85b1dccf1597b193e053ec6036e..4b09525e49b7fb08a04a23c6c789b56d47a06369 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-28.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-28.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e502353",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-29.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-29.json
index dd9037fa17136f9975939f9983c55530906b20b6..9efcd9d85632068ef7a82f2b604f881f2c921ee9 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-29.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-29.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5015cf",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-3.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-3.json
index eed47eacea64fec9f15cc6e1a273c0ede79fcfdc..f4c387feb7524d7d87e499f4227b7e98d895e79e 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-3.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-3.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e511757",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-30.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-30.json
index 5dcf1233105df71048c3b4875c52779a689eb763..d4230144868e64174f71a1a627e10774644e09f6 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-30.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-30.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e52618f",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-31.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-31.json
index b26cac1f46e17bf24a6deafedda7aa7eb0b64072..bb6de531da878df44cd0172e74d151801fdc934b 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-31.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-31.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e41a743",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-32.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-32.json
index c2eadcff28613c267caa7ba8cc3836cc39d46d6b..6944c31c14698cc8b355c8975c2f7754510a5441 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-32.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-32.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50e527",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-33.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-33.json
index 1659289575d44386faf9458fc89a5f3634ac3873..134c9c8f19d53af8cebf334d1ad23f6748c8e0ee 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-33.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-33.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e4ff507",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-34.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-34.json
index 3ab9cc1eacf55c72231a9ae7350988dcedfb0767..d7b31527cc8fdf04eb3fee9e2549328a017ba711 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-34.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-34.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e501663",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-35.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-35.json
index b076277d584d0f7897a42f1d0c969c2a629468e7..7416543bcfede2951b616ffd4cb979e57d7184b6 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-35.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-35.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e525903",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-36.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-36.json
index df9cf6dee5ede2d4b6c93aeac1479a7140f9085e..95cc0206587257f4fb3ccaaa09c70586534b2d90 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-36.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-36.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5147fb",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-37.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-37.json
index 3cdb4f3c27c89e9801cb05c1646edcbbd11c86f8..dd0970898b8ed235a186b4ec5622d14dcf0efe2b 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-37.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-37.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e513c57",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-38.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-38.json
index 72f9c2114389138d5bfc6d28d0cc4b7c4c329997..de56af8d914d39da038e78a9107009ff14209ba4 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-38.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-38.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e510f0f",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-39.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-39.json
index 25675769df447b7bf6ebce08185f44ef7a2f38ab..f01c5d168a8c4c9ab9ed1a4958adeccc8ad02784 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-39.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-39.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e513c87",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-4.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-4.json
index 6df38cb7214ca55a540ffe3f4de535379368bd93..76b67cd503696f219456dcd1e7acf8c861dcc98c 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-4.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-4.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e514363",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-40.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-40.json
index ee67db59590fd17142e8c2e4331710d8ae7a9406..1c2527140abdcbc9f6fef6270d881485356bfafb 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-40.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-40.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e510833",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-41.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-41.json
index 1834bf8d08a063b30811e818209b5430e33386f2..4e3637a2c5d6611ab39256612df4cfb1d9658e6d 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-41.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-41.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e4fc7eb",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-42.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-42.json
index fde670e0cc337a62f461a90149f3626de3db0bb7..9097019e39efde703b63b29f39174d17588601e9 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-42.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-42.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e44d1b7",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-43.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-43.json
index 8c9f2cede23ad25b957317303c51cd55633d75a5..645c4e87a38acbef6a6c9c3d85d54b3425822caf 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-43.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-43.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5106e7",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-44.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-44.json
index 67df3d55ec651843b226a4cd90ad75eab86dd2bb..8d051b212ab71fbaf7f9fb43eb7b995e49d2ef18 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-44.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-44.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e51423b",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-45.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-45.json
index 44aea5b11f20653d311218769a142fe170a29e59..72cc29e1dbed2baf587dda74560f1be1b878513d 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-45.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-45.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50fcbb",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-46.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-46.json
index 941a59cc071af24bd68b5e6f41a4fd10858c0532..15dcc628b3782ac3df1e42ef0ee3227847051dff 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-46.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-46.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50d49f",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-47.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-47.json
index d3a02bce42aad308fab554213ecef7557039e3a6..51c6e54bfae2739b31d5bee7682acd17a5d5b630 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-47.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-47.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e43bedb",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-48.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-48.json
index 65c81044de0db89ea78186b338648986e5d84654..f3e38ceb0be269a2e0c1d1de9712ee73b28b5051 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-48.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-48.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e41e64b",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-49.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-49.json
index 210e3443770c17e2ff7ff1acf18659d3c74ae104..9bc0e7d17694b9b1a5deed255ff97189497e30c6 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-49.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-49.json
@@ -273,6 +273,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e43b94b",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-5.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-5.json
index 89d10b4dc581f89b9d5eac4409ac2e5b3cf48032..93ea3e23d8cc63f8cc507691d53e4cd16d06ab86 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-5.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-5.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e4ff45f",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-50.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-50.json
index d8b427252f9648ebbabde5889e486f643cf4acf3..9a6b7869ad7a03dc311b106b2b9952d0e8df6d00 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-50.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-50.json
@@ -298,6 +298,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50e807",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-51.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-51.json
index ba50bbe89a8d1d9c3fb338ef6f1a55b9d3a72269..b9d763667e965c3953fce5991d049e9fa5ae3b81 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-51.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-51.json
@@ -298,6 +298,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50db87",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-6.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-6.json
index ec5763cdbfecdb422b8b7776314f43ae9584e136..da3f7cd95373ab8afcd663de9454e73fabfbcaba 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-6.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-6.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50f8a7",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-7.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-7.json
index 088880b5cc27975be988148a3bb99b9a173a833d..e9668b4d00e03b6e4c7bea8a03183684b477add6 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-7.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-7.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50eb33",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-8.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-8.json
index 026bd843f53d5e863c3c361f292f8abcbfc2d5e8..ef94f23b2fb99d858a000432a84913075faaad55 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-8.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-8.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e50fa93",
diff --git a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-9.json b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-9.json
index fe8371819952891b43578718babcbe6b67dc9fed..7c313d018e0c05eb9645ef921169be961fe239e0 100644
--- a/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-9.json
+++ b/data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-9.json
@@ -296,6 +296,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5008e5107b7",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-1.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-1.json
index b2d5868afb141d7ac737334c9f2be9331b6d98e0..2e8cf8548716842e02ed1cc0e2cce19468338220 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-1.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-1.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45cda",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-10.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-10.json
index bf417448d41438830e3697d46c03e8ea9c46399d..c00dd166773b2a5d4f18af7bd98912295452fb71 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-10.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-10.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e49072",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-100.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-100.json
index e5e47a3ea0a1b4628d910827806fe7dc88f8531f..bf12db8b6098f500474aacb57ef48c7bd43e7f34 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-100.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-100.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9dca",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-101.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-101.json
index ac2cf8f69662d1144086b734efdaf7cf72b86895..7369bf81477826f40602e36d896d60a4248e59e8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-101.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-101.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9e4e",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-102.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-102.json
index 67cc2ed213b534df6e2e37fb234452b27ce8e747..3174b2e91b888a63e95538c63625e05ba79036c3 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-102.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-102.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45e37",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-103.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-103.json
index cbfae691ac7a52b066eeb75bbf54cbb1d50673c0..b714f3ed657777febceeab5ef0a56caeba249f72 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-103.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-103.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45de9",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-104.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-104.json
index 46f96e9553095838c7c6397d11afb3a06345f9b0..a39d7903d13d9d90bc969d5b4c0bea4a4a3d1a16 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-104.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-104.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45d12",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-105.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-105.json
index 4b2b93b16df1ff00ea524d63b3e2893fc5d9af28..e2314acc1ba1e63375d01f5e0dc50b9daeed9178 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-105.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-105.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbabec",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-106.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-106.json
index 3a42f41c0ec7fdad1cd307f1903f332bfe9fbd01..ae5be5774aa1fab81603b69262d612bb729f42b4 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-106.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-106.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9da5",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-107.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-107.json
index 40fae83086b497c0e66faaf8ad12e12587c5b60a..cb00d17854fe74d18547937c7eedfc5b95e56d18 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-107.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-107.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbac5c",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-108.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-108.json
index cdb2caa5b57234a59137851730ee0b411105c648..cd50f4df7722f61db9ea6724875ef60625047487 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-108.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-108.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45d27",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-109.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-109.json
index e78f74fe909ee601d208a3604b6a43800a466b06..b378554fc779bee692bca666511b208368189dc2 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-109.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-109.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba682",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-11.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-11.json
index ed90b96086a82860f10c5bdfa36ae9780ab2376e..f862352ffe27e27c1ab086e0de0ed2158f6252b9 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-11.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-11.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45c17",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-110.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-110.json
index 0ee75e0728b08c10988db3d8fcb79156498e1d55..021008591d1ada54f571544c2779b62cf5d5ab97 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-110.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-110.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba6c8",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-111.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-111.json
index 3edf0f644d559d7f64fee17c434bec953000d63b..8e079f1bce076e6e82583eac2dacac62b269a0d0 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-111.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-111.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba8c4",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-112.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-112.json
index f0505c55d6f1e7aaa6788a4aa4d4bfe1ccd8493f..64d94a592200dad2f63490b09da71c59ad672f37 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-112.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-112.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba687",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-113.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-113.json
index 4daf3e13257e412bbcee06ee5c3793273c3015d4..ba638c861280f17b84319e0b0bb4a0db205b346f 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-113.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-113.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba8b5",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-114.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-114.json
index 31631421aaa7a27d5174a2990fb12d28d88ad9c4..9f62ded17299e61717c2dfa291c97c4ce59eedd8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-114.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-114.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e48123",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-115.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-115.json
index 114fd7a65dab499c077f4659bb8a54892c36c604..bef3f7a1aa2cb460344ddd2ca37f5042189305c5 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-115.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-115.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e4a7f1",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-116.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-116.json
index e0ed92df0f6a1a8d8b639d0e777119ebbd61ba11..ee1f489b76819406a665b70301cd680c1b178ef0 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-116.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-116.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e4a864",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-117.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-117.json
index 9037149cff148299032e3cf6111dad83ab69b0ce..588a750a4b5c30c17f7d3d8d4b4b0d15e96d0731 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-117.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-117.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb4d1",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-118.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-118.json
index 73ca142c225a224c05253376469af8a34a117f29..b2874388182a10c12cb6e8083744d0c231b17158 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-118.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-118.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb421",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-119.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-119.json
index 50bd9ee3b5d17020393efa084d0943bbd74c3afe..647e4097912c885b8acc7ac5a3db4ab1e49d763d 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-119.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-119.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb4f8",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-12.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-12.json
index a594414a7a533d7c7aae097d1d7749651526ad1c..56391d105e9591181dfc9228b64c35b1b493a200 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-12.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-12.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e4911b",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-120.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-120.json
index d6f4330bd387a6f30c4bc26fea3e961d53b5cde3..80b16b8066ee836f4e4c6efca344b75798b6f3d6 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-120.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-120.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb3d9",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-121.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-121.json
index 0a89430528e1f52622e77b2b83ae39ddf2c217d3..bfc1bc02e23414eae8d2d472822ee5640638b45b 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-121.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-121.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb48f",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-122.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-122.json
index 348c6039e8dbbbec3a792d135802162f996afb63..0f59432a86eff2913cd11f59d0fec979f9328a9a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-122.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-122.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb408",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-123.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-123.json
index 21271385d873d53c71cead6a910a95ee5304d0b0..1334f6073c7f2134b8e901e25275a1e9ecd057ca 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-123.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-123.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb490",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-124.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-124.json
index 8a8f6aec3c8aafd0edf7b064301472f9f1800005..07c61d899ec81638a362b9c618acc21d536bc8d3 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-124.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-124.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb593",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-13.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-13.json
index 14dc6dde363817d27ecf799bf9c789c8ef80c93f..394db7d5cffb51969ac0efb0709eeac77b186232 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-13.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-13.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e4935f",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-14.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-14.json
index f340e7ae34819cb238992527f1e1e5406a008f44..5d1ead3eb810b5af962716d7c7956fd9c9dc399a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-14.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-14.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e492a0",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-15.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-15.json
index 7ac5d54e22b1752299fae0f38ff91158c2798b95..b7c3bf979dff12c857ce7a5b7a0ccbb9c2bb07bd 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-15.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-15.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e49116",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-16.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-16.json
index 7b239966b14caf0a14b0a4d16a7651c100b4eaad..26b83844ee0061844628ce2a9ea49a0d0526b6d2 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-16.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-16.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9d1f",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-17.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-17.json
index a2712cf04cc15bdba46caf2f6d73f7332a89ee39..ba299d2fd5795a505cf3becb0e48b82591941a93 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-17.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-17.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9d0d",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-18.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-18.json
index 2f3d3db54fcd8e1649bc222bf6845fde56754588..dafb96828be48d8acdeb5f8843e9638bd12bffd4 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-18.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-18.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9c9a",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-19.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-19.json
index f24fa79eed524296f10efc945477520b59a5d3bf..53007bc54aee2c33f2947699f6634c96b14e7ae7 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-19.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-19.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9c8f",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-2.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-2.json
index 5531dce2c3eef602d14597fd4e7daa93d820a583..eca8e1ef30d11805dc713e06af65b080e035ce9f 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-2.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-2.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45b85",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-20.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-20.json
index 22531f576e3b04377b711edca2e3bf8249ec3e72..3de1274b373bdbb71701e3a51ecbc9dff70923d4 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-20.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-20.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9cb4",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-21.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-21.json
index 6bfe5442753f87083d867616146db1f75502c25d..bb8aa328bb23c2668f4ed53a8f31b756c37717f7 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-21.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-21.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9288",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-22.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-22.json
index 4eac0228f31238139212578611ef7c6a8714d17a..0032080798819a94858147a3f8b05b16c5dc94d2 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-22.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-22.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb5a6",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-23.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-23.json
index c55b2f8e85c8b0f2742737fc7d4cc91b0791f727..501ad0dda9e19cce83b6a256d3075158cfb720c8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-23.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-23.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e48164",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-24.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-24.json
index 9dee6db58e7894d8921f286ee483106f3a26171c..bd3657c501c0cc83dc59adbc5a285639aee168ee 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-24.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-24.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb4e9",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-25.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-25.json
index 416910e4f3d212ebf196314b7bb839595274bb65..13a37fe56561338afaef45576bd167809d45e848 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-25.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-25.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb21c",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-26.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-26.json
index 0fa1f6e80bfb71312535217c91855badf57ac014..de6d866e551e9a19da48834548a4fe0ebf7d9960 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-26.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-26.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db949b",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json
index fb0b2c078f443fb2a582695aca9bdca93622280b..cf405c2073818283b86e2debca3e127d30021394 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db945e",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-28.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-28.json
index 1d9176dcfc6ca31e2cdcbff1bc46bed0a0b31c3c..65d9c8a40cb98ded704360f661e58387e189968b 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-28.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-28.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9436",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-29.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-29.json
index 4124275f510ee8a9ff5b880e567da78cdc34b748..614481811144e0424025e19d38ca22064bc24264 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-29.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-29.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db94a0",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-3.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-3.json
index 7da438bf877112ee597a5d65847889d3c6cabf32..58ee811f29afe35b026bf76c394f6a8239411198 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-3.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-3.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e481b7",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-30.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-30.json
index 9e168a7daf4765f59f255c81e35db012195a7b20..819f0997cdbbd6ce62c17c4f22260eb235f6627a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-30.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-30.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db92d9",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-31.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-31.json
index d062574adbc2269ee8132752f3b4a4cd31abf878..1f004b9dd6280f046d2c367886a4ef08ecf04e8f 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-31.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-31.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba6af",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-32.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-32.json
index 7d3decee7d40b17d3488c68f542e72503fe7c4aa..ef09d8812e50d903dd5f5beb2b403ffb419a3a88 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-32.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-32.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba956",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-33.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-33.json
index 3060cce38c3325186845de065a73bc6372f7020d..705d34f150be5214c057cdfddffb797da9abeeb8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-33.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-33.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9e60",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-34.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-34.json
index fe09202d901635df64e5cae5720f9f52ba219673..50d1b609df33a38e7aa30748cf793616d3c2a63a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-34.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-34.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9e46",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-35.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-35.json
index 123fd7a4f6c764418c1c577fc8dd27dd9730aff4..aa08e9d9aebe540b09a3d407fca4744dc2bc1b29 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-35.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-35.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9da3",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-36.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-36.json
index 69b350b3fa305455238fbd1e6c3f192f36638d92..b7cd68f0599078a64bc9544eec16070d820a76e8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-36.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-36.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9dc2",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-37.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-37.json
index 722b9b9ebb69e706730315958ce28242bedac928..81076d1fd1bb2103bbc3974f34edfe707553c9f5 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-37.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-37.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbac1f",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-38.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-38.json
index d81675f3350c8fcdc14ec974ded32288a216f8a7..fcb763ee77589ab8fdbf211bf9c1cee61eeadc76 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-38.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-38.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45c34",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-39.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-39.json
index db7adbf697d33958ad00388f30c5a9cac2942822..6c4f7f5eabf4b28aa62387fd74684189c4bef8b3 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-39.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-39.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba675",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-4.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-4.json
index e0a3770a4617812aedda3da00d804aeed5d66704..f806e3e8d706621330f7f6491d2eb490e19b09d9 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-4.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-4.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb422",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-40.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-40.json
index 94808d7a982fe2835b13a3d51e3899ef156e6950..72b4e10d885f8929e2c5715c1834266a56848539 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-40.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-40.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb474",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-41.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-41.json
index 71ae7946282dab288526dbc89bec521caa0b86c6..8c0595318d2c37b07c79bf85c97c6fa0327d3ed8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-41.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-41.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9e8e",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-42.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-42.json
index d9fcfeb64552fd212a30ce268f2d72f2f0d02c1f..c288e5476bc77b31387ed676160c95c990ece912 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-42.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-42.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba006",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-43.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-43.json
index be0abbb6445a631f884a773ae63e33c404cc83a1..f116da9846d708271382900339cf457ac88d2914 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-43.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-43.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45cae",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-44.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-44.json
index ff8543384d3c202c81cfae491861e09fea1f80e0..8c4be08208f368c88a2bb4b4ffdf654931a5d809 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-44.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-44.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45b7f",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-45.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-45.json
index 096e72255a9dfcae1645b8520553333e26e9d814..dd2c8c853e46634ce271e004f26f920266aa3aae 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-45.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-45.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e49090",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-46.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-46.json
index f6da478dfc0892d7693b17a161addbbda1aedcf6..619abf85f82cf23819f464dbcdfa960bdcb8557f 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-46.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-46.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e48eee",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-47.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-47.json
index 8707f7abf694cb16073a53d8995a5a1c7d39611f..0660c1c59877f5b0ad22f31ead211b5ad3c741f8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-47.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-47.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbabf1",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-48.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-48.json
index 48a35a70bfc3e2d41a9106182c9302017b8f0a60..bc0f3e73e0e3d2f9c7aee17a971fffc863c0b273 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-48.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-48.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e48ed2",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-49.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-49.json
index 994d23ca12c1bb89a97a2286f9c24ba5516d0589..64c50780b46bd038320b23fc59a4ad37279f05d1 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-49.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-49.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45c16",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-5.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-5.json
index 2bb0492252fa6dc3ad27a4fe4d74154283e0fa62..bbd19e28436be05d8e98b020a0862c8d880aa32a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-5.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-5.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e481ec",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-50.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-50.json
index 01532ffee2805601288b6aab2de8fc1b211b4292..9497f4d70c65543fdb3fb71008c1703a4c457fa5 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-50.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-50.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e491ca",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-51.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-51.json
index 37cb1dde3548b4657a512a455131ca9d65acddcb..7d8a26aefea34da00e53e29c2d1b2e4c53b37e88 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-51.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-51.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e4919e",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-52.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-52.json
index 3bb532d2f43bb11b1f2cb856e99cf56ede8d4f7b..cb61c8824e3ccb61582ccebf5aaac2364ccf52cc 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-52.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-52.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba8ba",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-53.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-53.json
index 8149fcf098de5a95a89aaa5ca05f8a8513fa9f6f..52fd8de863eb4513895a5711137812fa1c87f48f 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-53.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-53.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba6dd",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-54.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-54.json
index 4efbe491ea3952e0d20376017c28b43e17ac153c..33fd6ec3b7cb3de41da292fec627ed847b8d6a07 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-54.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-54.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba8a5",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-55.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-55.json
index df04796c1d58793acd18e6128a038947b9244feb..c8c33916bbf8e53e4cb9e823853055ef3e4b1b02 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-55.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-55.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e490ce",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-56.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-56.json
index c32f71dda43cb30183b5ca37148fbeb775a752ff..4c79b28bb2378149b92bd3c66936953085e1bbc5 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-56.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-56.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb4b3",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-57.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-57.json
index b0b237aef61ce0ffecdf35bf41591dd3ca8f4758..681e037fc1e8a35e524f7bec5dcbfe65632f02f1 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-57.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-57.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb5df",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-58.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-58.json
index ab8e5ec64b8c5613afb2f073ed6eb8d507f55384..ddddaaed302c3256c040af190680cedcb30ad8a9 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-58.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-58.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba5cd",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-59.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-59.json
index ce661187c8c5c9f6e38be71cdfa5906ecbcde8ae..5feeaf29264e1149b3898c59f706f2ddfa4e5dd2 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-59.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-59.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e48ee6",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-6.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-6.json
index 0eb9a1ddb407e5e9f39f01c6a4249c19ba48944e..991fe677d03e70441349e142a971ade146b15389 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-6.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-6.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e4a646",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-60.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-60.json
index 07b59264bae4c82c1397458d0cff779ccc81c668..2bdab4994b06dab9975708afc32b304b6c0f9e39 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-60.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-60.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb29b",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-61.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-61.json
index b052d4b522728d05d80debc90b2dbd1f61a5286d..267c44cae64269a21e84fe6e6614470704317036 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-61.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-61.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9d8b",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-62.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-62.json
index 799e5c79ba73ec6f21531da158b84c92fd4d73f8..bfae7ec37255b715b2dbb9c793dc31fee457efe2 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-62.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-62.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbac58",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-63.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-63.json
index c4d13ba27c67a71623d710aca1d4ad3f3822ac2f..e7deb90716f21726b53a861cc6a8eb3a3884c4e2 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-63.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-63.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbabcd",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-64.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-64.json
index fe40ac544afdfd923c0095f203d25db50563999e..1d5e757c041c9fc0e4d35fd5eacfc0fe0899fa80 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-64.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-64.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e49251",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-65.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-65.json
index 3cc3594d43a4cbc8bb87edf1a7bbebf44fdda34f..c15c5d616592c09b4d517d93d0639ec714afdac8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-65.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-65.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e4911c",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-66.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-66.json
index 0bba60b9a83da24696d0d665fdb9c0a660491102..a16aa566814b979dc3154fd37baaea33df1cce30 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-66.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-66.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e49287",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-67.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-67.json
index d00e619ee1431ce7b8552b51c581f89237111926..dc783fddcadbce9c11104ccbb6484bb38c4ea05e 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-67.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-67.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e491a4",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-68.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-68.json
index 6471174ae82af7223bf60e56324879d742caf795..e3a6c22491ee55a84afb6c2d805ebd76f8664b61 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-68.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-68.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45cb8",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-69.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-69.json
index ae1e2ef9b6403e9561e00d83c8e8f1c32b44d4ef..f7f1e497c8a45ca67fad9936f9dbdad45754c787 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-69.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-69.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbac5d",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-7.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-7.json
index 2ffad458dd6f42e143341809f55e507c6fbfcdfc..539908c83607b113cab7796d3e6cef3a9531a1a3 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-7.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-7.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e490db",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-70.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-70.json
index e92314556dc940fa481c2e667f827b5855985dfb..a42b4fb41dd37d6a8a48fcac27c3aebee17a9473 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-70.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-70.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbac20",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-71.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-71.json
index 9a684a4a3efab3948a9bffc40129a17b098a8398..3021b6cc9eefada083db5a4ab78f9b1de8ef8faf 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-71.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-71.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbac8a",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-72.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-72.json
index 22d3b0f901648a176e52fc96a3ee6deb2db04841..1c4074afd429dab20163025cf6e46bb01c609afc 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-72.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-72.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbac70",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-73.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-73.json
index f313e33117c0b12d32dbe88fe80326de887811ba..9d21ef09440ff7763f2c69bdcf65875ac0b44653 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-73.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-73.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45e41",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-74.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-74.json
index aeb99f8076727394c0cfc5f03dca3dfd636d3cb6..ae157a5a1fb53b8631bb4d8f587fe2eceffa5fb1 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-74.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-74.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45c05",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-75.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-75.json
index 2c6d1c0ceb552dabbb709b717e4de4a453d91699..1dc3f4485e762cbe7b7429fc33492785b4a8d798 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-75.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-75.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e49281",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-76.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-76.json
index bc28cbaa4314978e8a02c9c63d59d2cc70fbacff..9a34365e6200de47ce7988ff54aa8c265236632f 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-76.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-76.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e48eb0",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-77.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-77.json
index 434e0be752062b0550a8ca60d9289af86c5716e4..718d0fac3dc8e67a725cbdee4eb5dd2d22a0c393 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-77.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-77.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9f9d",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-78.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-78.json
index a3bb5f6a9ee9bf3a2f586338a10aa3eae12d7de8..0e81e11e70cf6a7cd7bcffe06d869ae85fbcf62c 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-78.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-78.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba004",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-79.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-79.json
index cd26d543f6644db2be9c5fe40d3cdfa6088cd9b9..65d6505a238bb10076f196dd97b02b9d29522939 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-79.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-79.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9e86",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-8.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-8.json
index 2da5e995f28e1494599bbe74a94e1cc7745f3c4e..aed13fb000a4163ec45bdb24c7178da45ac3a1b2 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-8.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-8.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e49145",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-80.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-80.json
index 793e3b36b7150c719008ae36db2e76ffa8fcbd45..2d914a0cc23755325ede81dd7be3056f308797bc 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-80.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-80.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9eba",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-81.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-81.json
index 4d5118487820022aa7a6a85e58659a36e4dbf4df..7fe14d17df326d18280a3b8bcbd8a86a15fdccae 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-81.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-81.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9e8a",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-82.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-82.json
index d114b36b956523e802354b0a5bfd3ea12838cb27..46dcdfb63c191b3c39185720f1ed4f3e85689147 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-82.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-82.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dba022",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-83.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-83.json
index 37f090ee38e38759016f6586a420c67b0f095973..d0943962139b70ebf88d79563f0c6750d95fe5f0 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-83.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-83.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45df1",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-84.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-84.json
index a70d3575070ba8b751fdea3bbf8ef716ee502a9c..8b4c639b3fb51dcfbe496d8a7c40db8eab7be03d 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-84.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-84.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45de2",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-85.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-85.json
index 3f493ec3e647d7999d6ffa82812b4ccff5bc0f9a..b05ceb63453943b68e86d4e8bbc708d2b553c661 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-85.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-85.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e481ff",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-86.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-86.json
index fcdbbcb70732a6777fb65926e1d100cb52257bcf..aa5b50cdad18e8f801daee2329302c38d7c2c3d7 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-86.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-86.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbb47f",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-87.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-87.json
index fbc6a2e148fc3e507133aac6d2256ce24c243922..b7831e788b8be7a0eeae160dbe5ff4f1e356f7d4 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-87.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-87.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e4a892",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-88.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-88.json
index a04591127d7e00ebacb8d7e9109cb4ec762471fe..236085a277bc45e3e8bcc686915e3e825a984981 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-88.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-88.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e4814a",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-89.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-89.json
index d48b22ddd26125934c95da8c71a3e80dfc9dcba0..ec3bbf998b28552f1285b980ebf003293eb9ab44 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-89.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-89.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9c58",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-9.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-9.json
index b6d36f97a72aca839e64d72f4bb31a4ec4fbbc6d..8e51f1abea7cc06cc102f8de89fcf27070080c0b 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-9.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-9.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9d8a",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-90.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-90.json
index 5c6bbd241752924b26822b041408e59f0ff7199c..da70daf29b7670b62f103813fdab09b46be3352a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-90.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-90.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9d0e",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-91.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-91.json
index 1c5229f19e586e5a9dfc8be66cb98bc44769a606..572c5e490533fb8afcfa9993a3fdecd34c86a191 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-91.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-91.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9cb5",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-92.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-92.json
index 28ad23151e4c6c2a5c2984257e3e28aa0d4900ca..762757512338dd5b8e3da657d3fb57163574e2cf 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-92.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-92.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45e15",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-93.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-93.json
index 65cd46c8eda34005b3fca7f739e8cb3821705a1a..7f7ac703c329230b7a8c37ea781b16bc4b2c3abd 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-93.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-93.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45de1",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-94.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-94.json
index 198f82c0aaac92e0d34a5a0cd3da9cf5ba0b121b..37a90623f1fc35203c990344a30a779ea106dfd1 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-94.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-94.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45b44",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-95.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-95.json
index 6df7410f25faeac183d99ac602da87d3fe7eb045..b8f69322f7efaccf9034b0a3e5f553f4c1b43be8 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-95.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-95.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9d92",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-96.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-96.json
index 26aff568176864e26488bb8bf03c23ee72e4176a..55c45a2d729760548480d3432c2c5d4bcd8baf8a 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-96.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-96.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9cef",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-97.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-97.json
index 0c75f2176744b6fe33ead1e8fb0b8447c3326240..c636706f2f2f344d01807d65e8f6d05d4d8b9578 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-97.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-97.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121db9c21",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-98.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-98.json
index 0fdf0ff525351d08a6f9961a6f4c67eb841f0368..c2c65526b300dad8c6403568f6ea2243715cc6a2 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-98.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-98.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121e45d26",
diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-99.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-99.json
index 1f27f33946f2bde47d9de3949c5aa3741d713138..e58890336d7cc7a6dcf426e53f882eb4719bf272 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-99.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-99.json
@@ -167,6 +167,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121dbac66",
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
index 77bad7cbf7043fd771032d990158bb1a56d30d53..bf6f247a659011561592a3c432e383c19e90ad47 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-1.json
@@ -195,6 +195,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x64cd98f09f8c1d002577fac20390a63a",
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json
index 6cfbe134df46192475d74f98b20c767cacd7fba1..67b90341b433b128011348be567a9a845117c97c 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-2.json
@@ -195,6 +195,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x64cd98f09f5a72002577fabc03912e15",
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json
index dca447be6b579e68fd18dd66fe6d504c628dc2a8..8569960f0ad24db660246deb031a6e6a1822a8d9 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-3.json
@@ -195,6 +195,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x64cd98f09f5a86002577fabf03952f56",
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json
index 94dc83b8fa533ae3263140682b519f1e09da3136..a347c5b5b68f3558a7c197916a3f8650ac085c56 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-4.json
@@ -195,6 +195,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x64cd98f09f8c1f002577fac703934f94",
diff --git a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json
index 7f95dbf93fe3dfb04bb895ef0b0149850c848623..5fb6295b4d112daf44f66c4d3964330ae5634ca0 100644
--- a/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json
+++ b/data/grid5000/sites/nancy/clusters/grue/nodes/grue-5.json
@@ -195,6 +195,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x64cd98f09f8c0d002577face0399668f",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-1.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-1.json
index 96fa33c0cef466744e3782559cb41f55694e8277..cf59774eebb3899cbdc32b2991a01f2ca48f0df4 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-1.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-1.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b93315ab",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-10.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-10.json
index 29dfbb1579722c1ca85c9374d0650f0a9369fd67..204e53e7214bd393d8f6ca724110add35a37ccce 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-10.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-10.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915da70",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-11.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-11.json
index f259ed0bedbb3cbe0b15ecdf43a833400a5c4210..1f1b6d5b4c6c7c0191f7e1e79f0f5cc0ac2562f2 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-11.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-11.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b9157be1",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-12.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-12.json
index e38685f0f49058f30e69f7f6f71aa6bb357d7555..e5224cce47cea697da73858630a5321c5177bb5a 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-12.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-12.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b93364de",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-13.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-13.json
index ea806aee4d7e399fd35ccaf46a772abd3aeac247..91284def2ec89d9c30928c99e365c16cb3e3fcee 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-13.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-13.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b932ed31",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-14.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-14.json
index add3ff05c3384e940cbf5e7aaa33d3ba12c525f8..e6cba30ae87c889e91f2becb2b18941810b63e23 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-14.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-14.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b9334573",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-15.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-15.json
index 71afbf6f3b6c64988adbc334678eb13241410799..49f2eff3dd6612820e1ddcc10c55b72872bca8b2 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-15.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-15.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b9334d12",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-16.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-16.json
index df90b048b6be645ff891179628563be74e927652..71fd2edc57ef53f61dc63f8b43acd72cd468fa5d 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-16.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-16.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b93366e8",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-17.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-17.json
index 3fff1f913800150d6779afc99661e88484bb8dea..17af3163394a774edbd1f3b506c46ed43b944b35 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-17.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-17.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915e6a6",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-18.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-18.json
index b2d840e591ae5cb584201a1339ed931077ab4c01..cd16115f0617603226a046bbde27988a3a57adb3 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-18.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-18.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915c58f",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-19.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-19.json
index 26c87457aef8dac50d37ca4aef929807ceb5ee32..5eb3e3f05da66fd3b69a1b751c29cd6e6acfeec4 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-19.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-19.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b9154683",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-2.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-2.json
index c2704c03a591234454aa5555d7fa87030f6c2844..d5a61971d13129c89e575e7b775c905c23986530 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-2.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-2.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b932f2bc",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-20.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-20.json
index 26750837ecca6fbefe7048121c0b7a7aab2f516c..79522513ed48611e27ffb78f18439ef7449108c6 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-20.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-20.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b9168163",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-21.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-21.json
index fd1dfe2cc3720efe158deab5c29db7fe4e5d549e..7c329946ee6e30181441691c29aa2d9997b12902 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-21.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-21.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91bacba",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-22.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-22.json
index 06438aa070dedad19612a8cdf9bd7952e6e89e01..c6bb335aee9904a96edfebfce6fae9be58c6ee93 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-22.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-22.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91b74f6",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-23.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-23.json
index 5354d8374ca0a60c5f57f756284a5b8644cf6ae5..f9a524662a17f8135451e3748841b42fc9ed81fe 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-23.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-23.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91bb032",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-24.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-24.json
index 7e9a2646645214e42dc5721039a774c31155c871..4e8c2aa2b9d773052576c10a590d370dea9141bd 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-24.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-24.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91ba0ef",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-25.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-25.json
index a73ee9ac4d27f00d384b9312d4b42d080e6bafd9..39c1f1a267975ece776a5deaf84b4531f1bcf04f 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-25.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-25.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500ad6ddd6d",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-26.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-26.json
index 5a3b56cad436aa9c0146d222a9018e9c2261cb98..f7c9d1c01360034ef41135dec3a1bac173bbd7cc 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-26.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-26.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b93360b0",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-27.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-27.json
index 09449d45e8e1bf30ab7dbf3f0dcaa638d1d4fd43..2fdb8466c3225d4169b0a0169e9c3cc6428067c5 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-27.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-27.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500ad6df578",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-28.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-28.json
index 7509f582d4ed52c714254a89b92c26c2f11f0c78..65717882594f50ab7e3114d92e8d1fe49b5d0aea 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-28.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-28.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915c705",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-29.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-29.json
index 066e2975e3217b36f66bb40a7e392c91c91f8af7..4a6e0138ec5377daba89c75a55c5276bf3c78282 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-29.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-29.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915c294",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-3.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-3.json
index eaf15fbc7564bb201177fdf0824068fe8b28fe70..26d76e955785888c852eb1cb5888e52b10f3aff1 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-3.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-3.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b93364a7",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-30.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-30.json
index 69e7d05ee642c3c359b3a9577dcdee2e920413b0..b6509ff5aca29993ac9d6b2b3162043ead2f2e14 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-30.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-30.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915d8cc",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-31.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-31.json
index 48f26652df0ad50bbe78c96611b1cadd99f1e819..882335e490eeea734134f44c8482ee2158089015 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-31.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-31.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b9156789",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-32.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-32.json
index 8a0f5b767e1e35b4ae29f2f98058e9202f7e3d09..e730908464c74dd52817c5eaf4b5ed9052bcdb34 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-32.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-32.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915f70a",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-33.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-33.json
index 81d43ed385993e03d0d5150d58983809bf13f5fa..a23e60a98fafc440b33e01bb8a51a5e4e96c6616 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-33.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-33.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b9158fb9",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-34.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-34.json
index 4089cc5bc1fd411dbb823e5e198c3814260368bf..bb1287fd6c8071e567cd7af06d86bb5766b651d6 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-34.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-34.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b916b217",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-35.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-35.json
index 46bdc0e1f28f88cafb6e8aea6af1752f65ce07d5..297691319fe6902d0c030bcb070dc60f989b7d3d 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-35.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-35.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91682e0",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-36.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-36.json
index f207a999b4e2f1c4b62cd0990273171e6c5c2c88..c1c925bcf690dded30698796e471a04549b5c3fb 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-36.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-36.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500ad6241c4",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-37.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-37.json
index 77cb7be98d2a75d99c893286459e43b3d10a4370..6cafad6b316dcd97853424639a3fddcaaf7d0456 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-37.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-37.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915c045",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-38.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-38.json
index c0da504cdb47a395f76c5f33a1c97975123323c6..e80edaba06e52d003a85888698172be002ac8b05 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-38.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-38.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b9157c19",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json
index a2d55c9dbcdf0d557387abe415e0d07cb2b6ae64..00389a760d92a0aee417abf00f5511baf794f4df 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-39.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91568d0",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json
index 054cd65fa78ddb3864c7daf64376604ab70d016f..b51d1c2ae16a8231f2a04dcd07b055a792b11c64 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-4.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b93325e8",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json
index a5feafb2ef45a6e1f02cb07f05a8646abfeb5d18..d6820d3011f0a3bf69ec34fbce0314683a346573 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-40.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915d1e5",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json
index 5e8a37ed67121a5c25af286e1e96e8a059189784..9523f80edf7c0f10e85979665503a0f4645b18dd 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-41.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91b8973",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json
index d1b5f3342c3bd8b373ff960fe1b2af556e76678b..edf0917af28cd5ccb83d4d351a2248b097d7f93b 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-42.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91da350",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-43.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-43.json
index 02e7158e67f482df0ed2e3f5d323e8befe526481..a7e34e1ef26823701ced8decbfe8da011a1be2f7 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-43.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-43.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91bae6d",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json
index 039cf65fe02025ea11569c8e6b08654f10fbf068..c6600695346b057fc13316bd851ecb57bf1fc330 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-44.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91ba636",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json
index 7226f20eb6ba8edeee0d56150c923ff88ac4e1a2..d0397dbe940c6401dbd378cd322534376061179c 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-45.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91671e7",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json
index d71afa0dce0d4a4f40767759d83729a54200a86d..78d86c75bacdd202c5c4f689412b63b0a64eba95 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-46.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b9156f5b",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-47.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-47.json
index b59f3c5704847349db841fc4fbeb759b6f7f35a5..679e914cad4a4cb755d7df7b4380929d593195c4 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-47.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-47.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b9157a5a",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-48.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-48.json
index 3aa6fd8e818fc39af775ddd058e59af24b233c7e..429565e904b509f780110dae29a60e5f50527ea5 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-48.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-48.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500ad6e229f",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-49.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-49.json
index b3541536affe490a1fe4703a088eccbd33dbe71d..9b7e4b65417c2580459bc84168a507ca36f7ec6b 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-49.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-49.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91bad73",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-5.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-5.json
index 91e59563229c88cbbecbf8d10374f228f58d853c..273435004d430ac6513e5bf3f361f65b6bf32774 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-5.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-5.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91bb1ed",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-50.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-50.json
index 2323853d0c875af5252ed7268c6f4b409cd2a7f0..ebb59942872db886c6b406bf5b693156161badac 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-50.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-50.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91badab",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-51.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-51.json
index e8ac7be240249076bec8a69846e7ab7b2cf6d3cf..48bf150833430df1a0e5c12887ff85d2f57e1cd3 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-51.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-51.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915d9cb",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-52.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-52.json
index 8bc6d2140ce3221f43a05c2ab0d667ad5fc6d0ab..cfef9916b511c6dcc22d5fbc61272d4e067d5dd8 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-52.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-52.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915c316",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-53.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-53.json
index f2eeb80827b8d31dac1b021ce2dab7bdcb74c391..41b287e2a62e6a2b83ea796c9104b2251c117499 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-53.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-53.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500ad6e404d",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-54.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-54.json
index 9d80c2d4157e9a13edd158268cac5af618787162..afa54e985993e41f8690f193bc96dc7b4e20c7fb 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-54.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-54.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500ad6e09e7",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-55.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-55.json
index 6ffa92eeeefe4edaa5fbeb9f4e48d72d2a535c42..2f5afa289aa0e5758a803d627d93771d1a4bc6d1 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-55.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-55.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915bfa9",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-56.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-56.json
index 0cec4fe8a605d1d85443ce5ef457e089d45bf1d4..aaff367e87662d7de7e7b957d847385423ea4546 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-56.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-56.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91560cc",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-57.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-57.json
index 4ce4c9d236834e7b6ae0f1a32b8bca104118991e..d312f11a1191e4aa126c750b096b3338e50aba19 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-57.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-57.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915dad7",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-58.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-58.json
index 9aa2825b2b1e175a51c011574ef618b8397f96d5..84852ef2b2c29c2022e65e8e29ab1f58d8807770 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-58.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-58.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b916ae11",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-59.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-59.json
index e45e3464379f6dca4cb5833dedb50117d71ac176..b4e1bc685abc211208db53ddc586a193c26f3b04 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-59.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-59.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915e558",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-6.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-6.json
index 3a3f39736576cf02a3de13bcc5defb8ec0a416a1..d39ab69f9fca5c435ee4f8a36e1f760ff767b394 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-6.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-6.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91b7199",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-60.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-60.json
index 97e8a686149ccca8774db690ee4b2c2950232900..4f77a1f4b0893089845d8d33d77ced847b1f6ac4 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-60.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-60.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b9153a9b",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-61.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-61.json
index 18609a8b8f7360059b29862aed010ac1fa6b410a..ccd46daf6c0e4fea9462f699de20f854cac26ada 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-61.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-61.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91bb2b6",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-62.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-62.json
index cd428144236dde5e1b1aef87f1845eadb0df48dc..ad9b14cff684d48ab3a0927e93106701d047df02 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-62.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-62.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b915c3b5",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-63.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-63.json
index 92beb1832fa527ed713751889ab5bdc87acdc0bf..40d89a7223f52f46865c640b35d0df8cf38f5ea6 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-63.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-63.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91bad02",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-64.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-64.json
index 5dc39300e1fbfb316763e91678f0702156bcb480..b292d98712331e85a4e03067b9097c8b6d21f0ee 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-64.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-64.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91da1ef",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-7.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-7.json
index 9085f3f3727688c9e1a3bebb283f425f72c185f9..11e63eb11955e10fb3c41c2c811c9c8b2bb94a4a 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-7.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-7.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91ba41c",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-8.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-8.json
index 2a9aad90a1ecd6d0575e730f95d9f4f78bf07837..8ac0a0d7d70798f1c0989fad8ea2a4a749866b35 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-8.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-8.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b91b7b04",
diff --git a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-9.json b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-9.json
index 5dc7e9c576ed246aa757c2300963b5d5d01aa59d..48f63129a981f3a08292b724960cdd232f7d8755 100644
--- a/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-9.json
+++ b/data/grid5000/sites/nancy/clusters/grvingt/nodes/grvingt-9.json
@@ -153,6 +153,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500b916812a",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-1.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-1.json
index 3c13a8e6afd92c938c39a4dafd0076b9a94895a2..6dde274677309c3765906471cc08197c174398bd 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-1.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-1.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b1bb39c5",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-10.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-10.json
index 27a82248688f91ac9a52755c8784a132bd52232d..5e49561555556317ff0f086fbf14020ee76d0fe3 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-10.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-10.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee207107ae8",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-11.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-11.json
index 4303e882c7847193e5c319a4d3906217fc4bb97f..73e9304451487dc544379f72f990121e189b6f66 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-11.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-11.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b1bb4a6d",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-12.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-12.json
index c7d31ac784e73f70c299b4d66b9049641b8c5075..621f79f8cd534882ea20cc2425cf540e93d712de 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-12.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-12.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25c65a85b",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-13.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-13.json
index 9746b59d553ff9e48b389e56e75d55b05f52d6d3..e626be15ab286de4a4b2efde11a05bc8c29e0bd5 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-13.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-13.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b1ba5d63",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-14.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-14.json
index 42089a157910f10273ea1087056707d8d7c780f3..a8b6d88ae69739801e0c844ef51aaf502ca64468 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-14.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-14.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee207106c19",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-15.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-15.json
index 5bdf190312dfdb6d553aa26460aefd0cfaafa0dc..9443aeb88925dcb97198bc872629966f59e080d9 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-15.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-15.json
@@ -163,6 +163,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25c659979",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-16.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-16.json
index 072fd93e55cf03766d79ad80e0450b57c6229b40..b80fd6c3b1257e1c5906ee605ed08f47a2cf5c4f 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-16.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-16.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25c64d23d",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-17.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-17.json
index dfcf932d73f47a2e96724613df49b6ba531671a7..70f05c2d9605c3f6be74857000e364a8b9ba0690 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-17.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-17.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25c6594dc",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-18.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-18.json
index 0708a5af9fe061ae7b88990888c4c2cc6bdd1ba6..669dbdb6c4f987c72d9d9a6370222793d47a03fb 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-18.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-18.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b1ba84f1",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-19.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-19.json
index a87c82027decfd8e3ced3c9b29e4b514a3f169d1..3e74af63d68a7a6f220ce68b36fe84a15f54d945 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-19.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-19.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25c655ff4",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-2.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-2.json
index d2b9f26ba385d5bfe99f4ff7106e3078934767ff..9bbeaf80c86e0997d69abacafa8a819f3de57b49 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-2.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-2.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b1bb4095",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-20.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-20.json
index a389357488c1c8bf1fe29b3395ad0260540e5397..746b164698b4f48f011cd1f6de3a8a66d1f089ac 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-20.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-20.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25c658eea",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-21.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-21.json
index 9b0127878e925e5864f8d2e5a368a871a1951a27..b06d06ec4e5008084a625e8b9bd06d37d3023347 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-21.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-21.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee207106833",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-22.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-22.json
index bca739988e8bad24593e2cbd2d25aaf86366e147..0f92d34454b7f62c0b5ce027f5670ab41700029b 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-22.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-22.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2071063ca",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-3.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-3.json
index c6bd2771c011ba9b3459745a48dcdac4b547c14e..50ba703f44171ab3a964532de3979ce12a67aee1 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-3.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-3.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25c659502",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-4.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-4.json
index 8d1cf0a5dbfc6bc79df0a57cbcdb0a66fcb7adb8..ee9bd740fa6dc4704499f29d6bf402f8aa7c5188 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-4.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-4.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25c65918c",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-5.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-5.json
index 6d321430d82db3462226658827bbb02de41abb5d..ddf9339e15cccfdbbc0437a4095685315519da2f 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-5.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-5.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee25c658e9c",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-6.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-6.json
index 50f2c483d058102a675233e5829908e1aad2d8ef..7296bac1c4a32a4329f4583bde4664238bc15416 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-6.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-6.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee207107f8d",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-7.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-7.json
index e8146341e74dc4bc6ec843810df4dfa0021bbdb5..dba4d48006c420a0f646423d370a3c5b883ba65c 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-7.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-7.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b1bb3ef7",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-8.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-8.json
index de54f7b00f1a3daa795e9e1b18aab0e0c2f28992..28b6cd2b8c66cf215404c54deb6263fc456f4fe3 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-8.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-8.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee2b1bb484c",
diff --git a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-9.json b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-9.json
index 5c6740c818a56328f1c4e7d90f42b71baa2d3fe1..28db0835f7acb0709c0d86c590e6efc86cacd854 100644
--- a/data/grid5000/sites/nantes/clusters/econome/nodes/econome-9.json
+++ b/data/grid5000/sites/nantes/clusters/econome/nodes/econome-9.json
@@ -162,6 +162,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee207109227",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-1.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-1.json
index 7d1662e1908c9e19ed9d4cff5458142ea1ac2ead..5e910ada158e60e44fcbf78f45ea932752df8060 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-1.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-1.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc890071",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-10.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-10.json
index 7a18f9d5fcf61fbd0ecde5e1ecd6b05a648bdb39..f4cbc0d4a3eff5fcdcd430e83bd2127a4ad34380 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-10.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-10.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc890041",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-11.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-11.json
index 1c4122915c34cff2b7e19670f5a4cc069449e016..fc7b67348f7e502e251e30f5a121276336b4d695 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-11.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-11.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a969",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-12.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-12.json
index 932a4664f6426e11b2a28de457120741dbb6955f..f953211aa3eff58b50bfa6326f3eb50d1766e155 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-12.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-12.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a90d",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-13.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-13.json
index 76710857e7133d50cb72d1da06dcfe8665025773..893d24f9b816df5cb29fe9093135fce21ddc7cac 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-13.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-13.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc890009",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-14.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-14.json
index 5b7e84a2398250e366a58cce950f7467ef42a677..56330be1af555cd48d536686246aea82807180c4 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-14.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-14.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc88fff5",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-15.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-15.json
index bd0282835cf33933ffd29facb73a749ad6e163aa..cf5ca53b4c4ed62beb2a869c3f2b6cf17b1887c7 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-15.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-15.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc88fffd",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-16.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-16.json
index bcfa19747960c2651fd4faf1c0bac4b4c9b713a9..c3a3a3dac5a9d72614e0fb96adffadfe1dba9843 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-16.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-16.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc890061",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-17.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-17.json
index 346591d81d59cfbee4cbc0b4632a2371d80c1d18..89fccd5c2f84af1e297e00623b22076e48065618 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-17.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-17.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc88c98d",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-18.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-18.json
index f727d2cf134847b2844e09cd57ed3d1dec12a76d..5a908e15fdbb525b7d3288295b2df66e47758804 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-18.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-18.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc890005",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-19.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-19.json
index 144339447d3521e5231ad91361e3fb09c3f3b14b..78edf023a46c043b12f6ce74ea704ae7c32f87c4 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-19.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-19.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc88c985",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-2.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-2.json
index 26ee25f6b56a1b892eedcde0d4e14505d85b88d7..48df75f922bffd8ed2bfe0ae0dfca949950d672c 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-2.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-2.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc890079",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-20.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-20.json
index c588998153e51ab7f6881600910014511b48c956..ff4a42f31d9b8188fc6e98a6ed90554a82f4db12 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-20.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-20.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89006d",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-21.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-21.json
index 9606770ab04b053bd43264bdab05077f6fd5821f..9e257bb679b7608a861f791f219eb24b4ff9fc4d 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-21.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-21.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a92d",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-22.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-22.json
index 49070254d95210b181c4881129cde1a4ed3712e2..67abb35349275cee3a04a5738903ddc9c455850a 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-22.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-22.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc88ffe5",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-23.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-23.json
index d14a31a81c7f2a997bc2a6b0682be14c6b492c8a..81c60d3755163b82e0396a924f032cc6a157728c 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-23.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-23.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a9b9",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-24.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-24.json
index e8c66e84c67ececdca48ac7adb60c73c72b3c50e..13675cca38aaeccdfa5561f1859f9b8e303fe350 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-24.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-24.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89ff4d",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-25.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-25.json
index 91f297a4ed7f5d9c9801693bdd3b36ec28a8c53c..a93e6869a8aeda3dc59939b19823f26e225660f5 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-25.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-25.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a955",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-26.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-26.json
index 53150833ae8ffc48168065806e386bfadad86338..b2f079c488d614def434cc59addb0dc10021876c 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-26.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-26.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a949",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-27.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-27.json
index 1fdebe1494e2a4aab827a48500fa8c38d06bac52..751134e1be8b3170dd6542a0060e1de9056d5406 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-27.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-27.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a915",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-28.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-28.json
index d929ce17b8e2f976521766e9e131c28547cfd92b..9f57c9ebbe8a01e2aa5ca77aa771be794f5c0347 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-28.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-28.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a921",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-29.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-29.json
index 9f19162afa68eaf375ad20eba1666f7218a58fd6..ea3800a8fcd614cb40ea1d1e5df836157c3dca41 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-29.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-29.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a931",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-3.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-3.json
index f7fd606adabd12876120654233b2eca7643ca559..1e7da540ff26bd1c2f626aa22b9ccc3effdc5fa6 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-3.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-3.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc890035",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-30.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-30.json
index cf854b1c7852e29c29ba3e9ccb32e135d181b988..e37e7a3d6f47419f308ca04f9d15cb17e03febed 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-30.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-30.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a975",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-31.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-31.json
index 18693de1479a81bfcd37d2660c650c610eb6ebec..c5e0ea26e2d8e613d7a1a6e0b1cf0f47817295f9 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-31.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-31.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a941",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-32.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-32.json
index 0d6e165539c888668edd70904589255e4bbaa56f..fe5ece516883401f36cbb5c91ec4f716d38858c5 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-32.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-32.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a929",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-33.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-33.json
index 1fe749c64141d7c7786e4993cb5ea936e7bf2d0e..f78cdffb9658d4922330b8d8a27ec744cc0779a4 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-33.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-33.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a971",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-34.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-34.json
index 27c69f8467269b713eb8ea6ab014e9b3320b9000..cdb09be994e107a88c9c4a314ff9743feacace12 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-34.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-34.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a9ad",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-35.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-35.json
index f0eb5cd14b5022932c8b6d533212a96737ccb7b7..890ed9ae64a7bff292dabe5ecf34ac1c14f25d6a 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-35.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-35.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a9b1",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-36.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-36.json
index 2f4b42550af921d8bd3d2a4dd1dbba55b4cc8f64..149b15b519ecd71df12d2e51ee9d0107e150376b 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-36.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-36.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a919",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-37.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-37.json
index 24b1a62f53303457875ae819d0157d6149209f1a..8d4e614bcedccecd57c452bf528c9a504289bab7 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-37.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-37.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a9a1",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-38.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-38.json
index 0c5429fce460f42167ac5342be65c5b6c887e3bb..01f6093897243418b2802ef76c1758c90ae57599 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-38.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-38.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89ff21",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-39.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-39.json
index cdd9e564d13b571594189e28a1b6d22d45f21426..c46517eac9beca4c195d77b41eef0274422f3cf5 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-39.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-39.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a999",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-4.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-4.json
index cabffdbcea6d0e0106377d7fcb44c314fadd7ef1..23889400edac929d2bd8a2381c0a8bb47a3cd534 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-4.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-4.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89000d",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-40.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-40.json
index 597cdaffce27b92b3337f9840738973d2d288b57..a4ea537f59b0596af40be2e9876c7520e46260c6 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-40.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-40.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a96d",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-41.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-41.json
index f95fb480acf17a9917091fdd9af3fff148b35e69..737be6a57b649bcdaff633b959d914bf41bc8813 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-41.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-41.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a91d",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-42.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-42.json
index 2d5a67e15bd0b12bb1501bca1e4844349228de2f..1f191d316ad1016032119eed1fc3ded8a47f4dc8 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-42.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-42.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a945",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-43.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-43.json
index e588f2e4ac85eb1892f033eb015f5d9ab5391588..ff01348af3bfd6ea91c0b35e0defe1fee4ef426f 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-43.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-43.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc890021",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-44.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-44.json
index a831063ce0395e144d766077178a5deb1408c2ea..07b046f354c43992f4bc3ad051a206707e386637 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-44.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-44.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a911",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-45.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-45.json
index 894147a6375754a18a442e32a172cd3147a4bd10..120098c6a37ae198e7ebf611494f057b9976c931 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-45.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-45.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc890065",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-46.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-46.json
index b2a6e74cd0336ab8ed30df828ad0d1145fbdf7a5..0615ea89c71175b09a88327ed11f0fa9cb31d63d 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-46.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-46.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89ff1d",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-47.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-47.json
index c0481cb7290a806034b1a7b2fb339033c59403c8..2a4cd8ddeabfbf6f83aa4be913857a082e10632f 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-47.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-47.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc88fff1",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-48.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-48.json
index 90332952987ecbba90f3911c4d618142d188f3d0..cbbf801ad9ad4ffdba07038a84ab6b6665a420f5 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-48.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-48.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a9a5",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-5.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-5.json
index b488c9d860de2c235d3f916b09291a661a30166b..b0ca2e774faa38ac8958834f3fb75ef600b094db 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-5.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-5.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc890081",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-6.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-6.json
index 2f1e528e9512c589e6069915fa59316ce7823356..522052103a79808f4ffc00427bfed21de5b5cbd3 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-6.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-6.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc890011",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-7.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-7.json
index afacd48c27939c724b1a090867877fa2c634f898..c89fd3f7627c1441227199e7186150f6a0fb0703 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-7.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-7.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89a94d",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-8.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-8.json
index 1947cb60214fcd9ef51a23d68d190e72752f0a4e..2c722ceebefbc96cbeda854ebffb8977f8c99258 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-8.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-8.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89ff19",
diff --git a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-9.json b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-9.json
index 0c3e1c69679de5e8a912527de9ea1413fc58847d..e39d57a8c18ab735e49df825fed9f109a5e46f34 100644
--- a/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-9.json
+++ b/data/grid5000/sites/nantes/clusters/ecotype/nodes/ecotype-9.json
@@ -178,6 +178,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000397cc89001d",
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-1.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-1.json
index 97dcb5bc2c66b18029e7f4813d8e1fb31ef5c33a..9282266f3f6618a3d3c03e2aea6f429d6c8a93ee 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-1.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-1.json
@@ -208,6 +208,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000c0f02df1a80",
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-2.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-2.json
index b234430d94b18527d22f61c7ad16d053348092ba..5f5adabd71934bac3c853e7b6c6369e3a9a7643a 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-2.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-2.json
@@ -208,6 +208,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000c0f0288e4d4",
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-3.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-3.json
index 8e60d01796539188a46a3d611b5d96fae758e047..139c0e397e936eee1025c0f443746d3cc2720a1f 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-3.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-3.json
@@ -208,6 +208,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee755948ca4",
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-4.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-4.json
index bc6e12c2415473c12a2bc025b05bdc600b39f78e..3bae7ea77487c36aa5d6d4da4a26d51719378727 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-4.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-4.json
@@ -208,6 +208,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000c0f0288ddc4",
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-5.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-5.json
index 5e3eb273a9e49330674d131fe7809b2fb943087c..25f87cb9b188e9f97442bc588b8ee4d988656512 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-5.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-5.json
@@ -208,6 +208,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000c0f022bf824",
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-6.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-6.json
index 32616fc45cb63cc7e3e4ad62384480f3239d4804..8346a1acd9a59dc18e2c4ce88802e917ddce5527 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-6.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-6.json
@@ -208,6 +208,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000c0f022bf804",
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-7.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-7.json
index 409e1a2991112a65592badc813d73f9228720386..3e17e1c81e249775ce9cf507263d3f7b70b2cbbb 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-7.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-7.json
@@ -208,6 +208,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000c0f022bf654",
diff --git a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-8.json b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-8.json
index 352affd061dcb4a10f96061f7d89052096c55f67..1bbb7f093248f683b352f368b80ac2be04a8bf90 100644
--- a/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-8.json
+++ b/data/grid5000/sites/rennes/clusters/paranoia/nodes/paranoia-8.json
@@ -208,6 +208,9 @@
       "available": false
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50000c0f02df020c",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-1.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-1.json
index aabad1097300c7e201fe491d745058785acad6be..b023c0195a1105bc06f948bc33347fef863b191d 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-1.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-1.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214cb8ec2",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-10.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-10.json
index c44793e7fad24bdd3bf08704d2715103e5f7c07f..3389530a5fbae7c8fed4589ad005af97d5cc403b 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-10.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-10.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214ca8844",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-11.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-11.json
index 695d2e9b2e173b27c00aea5cc7d09c9f9c793643..c64fb6f7ffc09379cd05bd5c4f21f048d3c46efb 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-11.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-11.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214c88e81",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-12.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-12.json
index 0d9ab7061c7e2d34fd64caa16763bedb782eea55..4a6890c66460f7bd43459cefab0348237b0dfa94 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-12.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-12.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214cb9dc5",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-13.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-13.json
index f877eb5ba8b963bfd81c994a15677e2a75412dc4..2a901d3dad78628c37619b1fcb63dc4b08d2b165 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-13.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-13.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214cbef65",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-16.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-16.json
index 3490e46712a6e2c714ed483f60290014540ee034..cc6c22558a24e724852900b22dae2908ac9a24da 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-16.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-16.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214ca6979",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-18.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-18.json
index f41b766d537b4a82eae50ffd4db215622528ac5a..cb65417f622358ecd7035fe3ea6283487d357c61 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-18.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-18.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214ca831b",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-19.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-19.json
index 6d9d87ad7ac4578f79dd4789588aad7f828fdeeb..45186a22a09709024068aa2180fcdf8715ed8eea 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-19.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-19.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214ca7cc8",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-2.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-2.json
index d70ab48f4c03423babb373b56789cb8257d98105..8ee0457ee7528bbdc52b563ddd8169db54016f83 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-2.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-2.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214cb9da8",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-20.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-20.json
index 383e0b152492ef4568fbc6ad6313756ae4e7d6a2..2f57d189ad0d43ad604e5f08e41e431b13b437a1 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-20.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-20.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214c8a4ac",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-21.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-21.json
index 2cc3ac5f9c7391eb2cdff3a9bc4befc5a4058ae6..e5f27ce4b84633c1f4750a7830fb9e32dc394775 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-21.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-21.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214cb9da5",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-24.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-24.json
index 2c3f6995f4a87d54f183726971e56355b0b4d665..cc2d173802c4349ad9a9b0152ec694b4c4c26e05 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-24.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-24.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214c88487",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-25.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-25.json
index 03568595544110e2957efa01d9e4f15f9df516a9..1dc0437cba7dd1601fa6d9b30a470478f80e2362 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-25.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-25.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214ca2a94",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-3.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-3.json
index c4a8627a7e666cccf13e916e1957a677a3b59bbb..e37ce0a1ed2b52637980291037e06dd9b8df9037 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-3.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-3.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214cb19b0",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-4.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-4.json
index 1680a1a3a6df1820905f80489d757bbc264b5b57..31a458a88bd2c575e14fc2e02c9b3f0b85e09415 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-4.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-4.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214cb6ad4",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-5.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-5.json
index b61b28db6c152a20c2e4a4922bfee31ced6c5bf8..47eb36e78f0fb2c2e30c0ba3a74e9f73ba4782b3 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-5.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-5.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214ca6cca",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-6.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-6.json
index 773a602ddfd196af93007095cf95a5548bf79fee..b2c33ff33a086e099e7bb4015b67a6a645c57acd 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-6.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-6.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214ca8327",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-7.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-7.json
index 34dd862b302717cff47b75b97145a868f9928d8c..60f1f7e9ce19fe9716aaf2af65521a0ac77f737e 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-7.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-7.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214ca6ca1",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-8.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-8.json
index e0d2697afaa5846b0f719e87f36f13eee6705aac..fb85f2aa01ec36288f2e6e94194d0c991dab0d9b 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-8.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-8.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214ca5db1",
diff --git a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-9.json b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-9.json
index a7254e91fb1d561c5a91f1aff82110937e5cf27b..d8155ddeb7ad5bc0f298f116b0fd7ef2cf0496fe 100644
--- a/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-9.json
+++ b/data/grid5000/sites/rennes/clusters/parapide/nodes/parapide-9.json
@@ -193,6 +193,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000cca214cb9dba",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-1.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-1.json
index 1d6cbfaee09cd06a9ab2ff3b4dbfca64fdecc20f..eb18961fb25161e050ae4215c01fbc29abd4e9ec 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-1.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-1.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5002673a867",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-11.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-11.json
index 62ee228c2e4484b5c72fb122af875ad7bf4df0ed..3ab81e667c60edbd28108848502a4780ac8b1fd6 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-11.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-11.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500267425e2",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-12.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-12.json
index c28fb1248f5baa1803b938e12520accec3d059c6..d970ec1ef2d4050b352cea129dbdb0995a0586b1 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-12.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-12.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500267381ab",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-13.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-13.json
index 2ca7e23c9932283487d8d779c047f84bcfa3c61a..3878e2734c470f8cece46f638be9a7d1d35e8912 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-13.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-13.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50026724b25",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-15.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-15.json
index f5ca8e4089ba50fe55c9ebeff8be16c6f01d633b..0ab27355e0de70b76e0c62c17c64aa4a1e0295ef 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-15.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-15.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50026742543",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-19.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-19.json
index 9da9c87ccd898ea3ebcb9466c439dad07286d564..3bf0cd60f4b3bd6de1eea1701b8b81762dcd0298 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-19.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-19.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500266f79b9",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-2.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-2.json
index d45f097f9ea47317a57824995e2e656fd9f23380..6468496751b67e0df15cd4d76b09069e38d5c8d5 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-2.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-2.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5002673584e",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-20.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-20.json
index 459abdbf38a83bde83e0612efecadcad357d5ce6..25cf3b89db21d95bb20b63c17f8f2d78d11700ec 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-20.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-20.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5002673c0bf",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-21.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-21.json
index ee40aa760b0f7a96ba9376b6470727204d373f37..ff13abfecceaa67a6e68d79ae956e65d3360f526 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-21.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-21.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50026742333",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-22.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-22.json
index 9ea7e3266f337dec2aeface4ce374e1b187a17cf..e654321c1cccb1f096e5b1e66855f87d22933fd2 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-22.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-22.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5002673e9f4",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-25.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-25.json
index a4512a76ca1b2fe49dd35b6084374396202b473c..dd467e2b503e3ebc30290bacc79f130ca1959503 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-25.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-25.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5002673da68",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json
index ada1fd6f99dd827405ebd6bb6216f1615b83b42b..7363120cc389d17d9f6d4dff9c1bb0e57e58ec68 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-28.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5002674695f",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-31.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-31.json
index 0b96c9ea5200ad3eca7a3062c914bf77692f753b..cf160a0e91694de0b87fdcf50b6a6d040f61b6f9 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-31.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-31.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50026732a4a",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-32.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-32.json
index 73641b3ee55f828ffa510d95cd196b4b599d1405..fe3d5046ff7fadb5145497af8362a1f641770ba3 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-32.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-32.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5002674224e",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-35.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-35.json
index 45729ab627e81acf564fa5492db67dd32b9a6ed0..ccc2769724ae88c1693e6387f053b98cf881da51 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-35.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-35.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5002673f30f",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-38.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-38.json
index bc67ebc35c49a20c9f1094fd9b1cf33a73957645..724c88cec8132accab3f842088fd7109a7db77a4 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-38.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-38.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c500267365d0",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-8.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-8.json
index b2415073df6f51cdc595a48cee737f22030832e7..b8f12c3d3e6c4c0e8c5d39608c66dab3dacc446d 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-8.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-8.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5002673a237",
diff --git a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-9.json b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-9.json
index e3e89fe1b13d318bc345d2ec5c8ead42c9b3ec2e..0b9ce0aad9ecbc65948f28bfa44562f8196b28b7 100644
--- a/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-9.json
+++ b/data/grid5000/sites/rennes/clusters/parapluie/nodes/parapluie-9.json
@@ -226,6 +226,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5002673a23e",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-1.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-1.json
index e5826ed627d0953f02792873a14f74c1b1aaae6c..983e3943d7b6ba226c3a8384a056087416b2d337 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-1.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-1.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ecfa5b",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-10.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-10.json
index a0987ba59f6ece1a813098f77f05b69b18015c4f..78a90e62a520b1214fa6dcb17069ae0ea31fbaad 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-10.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-10.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb564b",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-11.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-11.json
index d9346134791dd9eaf0e1bb628f68c63292168fae..eb3aff0810b501da8c87a2dfb24a43369ed49a87 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-11.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-11.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed2cb7",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-12.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-12.json
index 9a31575c628e4ac071f66b10addec854f358ee1a..aae3b5ac439b0bcef873055aa0fdb6578477ea5b 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-12.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-12.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ecf8bb",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-13.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-13.json
index e79a8eae338980559b6459409f6eb25e1a48f020..58eca9b236eeb7cbf292172bd879b4c63d235d22 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-13.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-13.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb5853",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-14.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-14.json
index 190aec9aea919a69c9e3a5294952bafb537924d5..27b256f08e81550f5a0c6b1b141351ee4e70a2b9 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-14.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-14.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea2ad3",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-15.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-15.json
index c4cc39702a44300f58bc893544372920bceacfd2..eba1e9bbad472cfb39b74a4c970700288398c548 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-15.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-15.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed51df",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-16.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-16.json
index 9c89f5cb792cd86028e92b5e57fa34c55fc8b5da..9463784f3d5407e26dbb8c16d9c5faa834cb483c 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-16.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-16.json
@@ -182,6 +182,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5007f5bda57",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-17.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-17.json
index cf583dc383d34d2d4780997fda40652750015b5d..6c161cf67f1dcafbef8f2c484340deed6781e9ed 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-17.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-17.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ecfb4f",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-18.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-18.json
index c5bcff2e529163d2fb37641e8b296e89eac1c108..9088e8bc602b674b51a9334615e3db4d04d02d8b 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-18.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-18.json
@@ -182,6 +182,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb4ba3",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-19.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-19.json
index 583f02fac5558fa41d6b57cb2baa3de6d3b7765d..394ab1470d65676f69e5c0966d62d7811f278af0 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-19.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-19.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ececf7",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-2.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-2.json
index c9bf565a3afc91f8a0eeb6a20ac6d268f8799352..8b421d3367981bdc1547646ea48395d7c24d019a 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-2.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-2.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed5147",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-20.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-20.json
index c050495b02aabeaa0bdec01153bb80dcf58c5626..2b498af4f714f45677fd043f8ec0687fd3703bc3 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-20.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-20.json
@@ -182,6 +182,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb45d3",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-21.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-21.json
index 9a73957734bc83f01a1f120e51463caf9908dd4a..8ac264bc77599eb76e1d32110c5d7f81bf7103e0 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-21.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-21.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed4767",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-22.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-22.json
index ad8a0e9809fe3a47558b04a841ed3ab182fb80d9..6042573f94c65f817a58f5ed808bf9ca3f0de02c 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-22.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-22.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ecf3c7",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-23.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-23.json
index b9e8edf9036fca455f6a3ed79e0ae061d1085135..f19b21ef8f84c794c33b2b545a513eed76edad18 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-23.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-23.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb74eb",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-24.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-24.json
index 76e64e64ab63f4312851afd91bdde5511872b360..c224ee685e582b3054963cfc2415a14b4c23ed34 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-24.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-24.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb7557",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-25.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-25.json
index b51559f9fe3a2102b0408a0e30cf510a8b6918ae..e4e1021c5963153804bf21aa6cd2552ec5428ccd 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-25.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-25.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea2faf",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-26.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-26.json
index 340e6ac474e46f2e7276bb950c78bafac8e6ab70..9c37c65a9e1bd9fc8a064a3555632ce2d2ebe827 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-26.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-26.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed4c4f",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-27.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-27.json
index cc8a60aeef58cc6ca14e4f6571cc57eeed7ad5d8..e94a989b8aa6ee2e8a20afa6f7ad39463d1e793f 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-27.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-27.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed2263",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-28.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-28.json
index 347bcccd8ce36c5adc1fd233dc85419dbe50007f..98044e417fc3b9ff83aa33c66820b66a5cdec053 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-28.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-28.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea4a93",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-3.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-3.json
index e904426822bf2b067a379a506dc8960599410b97..6f7f411e862eff9106a69c97ffcd468660ffaea7 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-3.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-3.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ecf8d7",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-4.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-4.json
index baf573e233937a04d3e41577fdffc773a92c3e52..7773365431a1747b117f17e41bd0ec7008dbd1b4 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-4.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-4.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed2f5f",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-5.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-5.json
index d3d8321d86b9dd62a989647f91fe60cd6f402ff5..b199edc3564d3748fb4804c2e50f779e02fc97ee 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-5.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-5.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed310f",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-6.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-6.json
index 4eea784ab913876b4b76c819734d0db48eddd41e..84f6e1c45353cdf5db7376f1ae89b4784bf5c9a4 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-6.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-6.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed2d4f",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-7.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-7.json
index 44e46643cc0a7fb18a87b5af67cfe8002b975042..973ab43b2fc1b5fc12be2643fbb8afa0d9794170 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-7.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-7.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed2a37",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-8.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-8.json
index 2bb4cf971aef3d6a432dcd31bee09a69944c1527..6327e4d46d8df395fecc82d9b39c55ac10b1eb1a 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-8.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-8.json
@@ -182,6 +182,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed553f",
diff --git a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-9.json b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-9.json
index 117caa07b44fed8f2db4263ac756a958cc391df8..dda0db6e4eeb1e00f63852beaf925369987e6599 100644
--- a/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-9.json
+++ b/data/grid5000/sites/rennes/clusters/parasilo/nodes/parasilo-9.json
@@ -182,6 +182,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed518f",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-1.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-1.json
index 4cb76eafcfc8a921103e24267e907261cb9351c2..7d580d715ce40640ffd1b34be50711242ff3ddeb 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-1.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-1.json
@@ -182,6 +182,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb4fbb",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-10.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-10.json
index f5147607961eef0de64e5a0a40fe2eb4af51baa6..e72c4219f5834252aa77d704800c80f7d509621d 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-10.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-10.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb9323",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-11.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-11.json
index 9234d21d923ed32119595c2b0e97895cd513c503..aa0a0843d8899d2b5727eb57ca5c37f29304a206 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-11.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-11.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea949f",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-12.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-12.json
index a2dac4a013ef4ea680a4bdc6e0a0cd6498120bd5..e62a69ef005f6bc570f82ab3f640817347c30b41 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-12.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-12.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eae1bb",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-13.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-13.json
index 31e5ce65dff978856a892f9dadca0383dee83494..bfc1c87e766112ebeaf0892d41ffaea87f820678 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-13.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-13.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eae193",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-14.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-14.json
index e24416ee9a953c2c23590d4cf15d97b2239c4540..bdeefd2a6856d1207fd0f171610e48904616f8c1 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-14.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-14.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb4c03",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-15.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-15.json
index c233b68085bdaf6b09bbdf6fc9e512248eb203a7..a3988f3164c11a560f163629264059ad996b9195 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-15.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-15.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb8583",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-16.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-16.json
index 6d49d253fcb27fabb9aa443f7c710382265a4ca4..ebbc0e862a948ac53d93953adf18db89854ab4fa 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-16.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-16.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed301b",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-17.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-17.json
index 0bbfd623f155a3d8742b29905c28b1a97fc32088..0dd255f752f53998d8e26d307a8ed2d3bd403cbe 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-17.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-17.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea4927",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-18.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-18.json
index 2ecbd31248c7e165f4dfe3de5c12bd47f7e61ec7..4b11cce052532a6bd285c7d3d88d009b99d100d9 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-18.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-18.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea91a7",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-19.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-19.json
index 60323fa0d7f8efd84bdcd8391ac0691907113594..b1c942217677a18afeff7082683bab78d44a9a78 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-19.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-19.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed3fff",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-2.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-2.json
index 89a231cb8a5114036424b513dc3a4cdc3fa060a7..057f000d7344a23fc826e3cc75a46e02a86d783d 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-2.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-2.json
@@ -182,6 +182,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea3313",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json
index eae07aa006951278409be3c6a7dff90d5acc50ff..8f1b6371049b10aeb5c3989b4f555d363b8217ca 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-20.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb4fe3",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-21.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-21.json
index bc99e55a9ec2a3fb23b1ad94248dbd9bd2988ab1..99edd31f8e5197c5b369fc890c1225d42e0c8c8e 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-21.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-21.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5007e83552f",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-22.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-22.json
index 710bee42b50c22752f377b0720b073dbb650d5f7..7572d73089b3c12499621ab4a0bdd1ece4a4c6cf 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-22.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-22.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb6bf7",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-23.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-23.json
index 07abd4a462fd38421ac776b6ed531a990b8995bc..2a52421ce8c691413ebd4bbdeb2ce81195e2b5b3 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-23.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-23.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea2f03",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-24.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-24.json
index 60480d03c444264a0252f0ea330a015fd676d89c..e4d4a267285a40bf2c0338644d2387c987b808a7 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-24.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-24.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea87eb",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-25.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-25.json
index 769deefb2f0c996c64d9433e4d19d6270e9b83de..41c9c6e3d262e099e79020f0297f3f995f98044a 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-25.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-25.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed595b",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-26.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-26.json
index a0c66e912724ccb76d2fe38cb6aeeedbcf13ffdb..b10797955d60cc1077662c6c1cd30ed6f5af221b 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-26.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-26.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eceba3",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-27.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-27.json
index 9ae482e6e8b3c82bd4828ecb5b2a69cdae710d89..507d69ab07d852690db70f9c8115c81d91a73129 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-27.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-27.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed3007",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-28.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-28.json
index 031308b3f9797400cbfa57abee720d80c5b775ac..d72d2fa074bc3378ce5765040c2d87d263500328 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-28.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-28.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea69e7",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-29.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-29.json
index 7b34d2754801702f103aefd4b73d111c1571a669..8a8081b593257db05df9eaab1846f630578a7704 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-29.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-29.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed269f",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-3.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-3.json
index e4f0135e5c2b04acfb96f13f438d438abca35c8c..395b62d60da0e0c153b478693ce3f32246a0025e 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-3.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-3.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb48c7",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-30.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-30.json
index 013b42683b102bc1c5b97dbcc2f29eabcc185f88..f41781b3a2979c66fc4792ddd7d2aa14d5a3569f 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-30.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-30.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb2f1b",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-31.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-31.json
index 71c0266a8fd9375db8b088f7df9d8f92b3216b04..f75f0b04e47920284d4477c789fde10f677f4a08 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-31.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-31.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eada3b",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-32.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-32.json
index cfe0970477a26969026c497986018c13ed59f163..d170ad85e8d5050e1661b3e560fd2e7b2e7ab839 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-32.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-32.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb72df",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-33.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-33.json
index d0d0e6bbd09efe4b972d88f655e6161cefb68e45..f9493300e27005d0730e67fbdf54dde54555bc0d 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-33.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-33.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed2e33",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-34.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-34.json
index d3b80e52f7d29a9d2a269399d306e61d90162fb8..e05292d90e4c0c0aaeca895e86429759946d0d23 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-34.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-34.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eab427",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-35.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-35.json
index 0529752a1ebe51e705716f4fd6182734fb8ec75c..e3ec2bf5b083fcbb06039b56300ab442ce500368 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-35.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-35.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ecfa73",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-36.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-36.json
index 0d62d8176d42c4b230f4d6eb641e651a05f1d823..250c1db962ec5dbfb6757b0185363b58aceea045 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-36.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-36.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ecf9d7",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-37.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-37.json
index 86db0185de78b7591f191b6f397b8fa524da6a4b..08b050b96aeef591e8f33f4d193561624de79063 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-37.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-37.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb2f73",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-38.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-38.json
index c56926ac13e94d1560e119e9bb3097cdbe026a98..a143211095b33439f39b8a3d86f993744d5359d6 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-38.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-38.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea75d7",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-39.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-39.json
index ce2eff7cf8b36a901689d02d1ef66945c3cb49f5..3fedad834c842931428f77e28a743cef9ff6134a 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-39.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-39.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea8def",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-4.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-4.json
index ae82e0eab56aad198443e9f84644d0522335023f..1e2f6380e24d172b826daa64b1c5d0db00eedef8 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-4.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-4.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb4d87",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-40.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-40.json
index df009d2fb259452cd8f558bf8c4ed36547ac08c7..efd772a4290a58e14e6e19f996cb49bdab6dbc67 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-40.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-40.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb186f",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-41.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-41.json
index bdf3f58f082ba88da76245e7dafb669c2f6a1544..2cd4476d483df31ad9bd3baf4c88c22b91106680 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-41.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-41.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea78cb",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-42.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-42.json
index 58c301408882d5d36f9136f71e806865e7d41f68..ceeee37423f7c9f820b12440b55a8172fdfeb2c5 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-42.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-42.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eadf73",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-43.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-43.json
index a1da5ea17411f90215e51a264081b597c6ac3d02..d024f08fceda1fd8e12412729b1df7186a015ebb 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-43.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-43.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062e9fe5b",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-44.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-44.json
index 17268be2a433e8e788748ad2918638954b0c7518..87dbc6400d894de72be08fd47bf91d6329bdbc62 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-44.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-44.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea13a7",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-45.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-45.json
index 7d5bf029be591e5058e622671977d94a1619b42a..6c90277c77e25bae217dde44bf9c9ae28fecc543 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-45.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-45.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb77bf",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-46.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-46.json
index 3a6b1fd92a5f7fb5eaa98e8384a04313e474fb0a..96cdd0b32ea495c1ee7174338d7170b4bba0ade3 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-46.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-46.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eafecf",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-47.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-47.json
index 0a3d87f5cee16d939098b3cd14c271c2540d1d0e..9bfdc40c88036d730a6745d5957c8a53aecb0674 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-47.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-47.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed513b",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-48.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-48.json
index bc1de69dec5824de1d0c3ff43186e3487cfd0fa0..a549f79d2eae67c1fa88173bb541895a80f0d164 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-48.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-48.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea9bf7",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-49.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-49.json
index 941ed5ca61eabecc52aac0a8ab66b2b481223727..d4c5a19560ef1a953e693808f63fcd9fab40fb06 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-49.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-49.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea4d8f",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-5.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-5.json
index ed94f38db40ca4cc644edbdfea50f85361806321..f7738756d1e5fa28e888b0eb10b4cfd3f3f80e39 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-5.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-5.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea014f",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-50.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-50.json
index b2814c791534857df6d65bc36dd16a2af74751fa..a1cbae13754e468e4f162c99aecabfd305cba11e 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-50.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-50.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb8537",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-51.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-51.json
index 0ecd75743a100cb5661e48db0300caab3f3dc158..60347fc97af4b94f80c98f93cea570ecfc14661a 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-51.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-51.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb1597",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-52.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-52.json
index a3bb6b585d86ff2cf6a0183d8abca3af28ad8126..9d87008e7d1ed9c29f59021691a08ce3fb041a77 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-52.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-52.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea7627",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-53.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-53.json
index bf54f44847e62a9afc0ef675de07942f8fe552b1..b98357dae673db98d0901808500c7e6ac97562b3 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-53.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-53.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb886f",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-54.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-54.json
index 55936912b31edbff37e9e7dce31ba5605660a2af..fe67608c1f1d93c8d683edb333669b3ebd0f6bbd 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-54.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-54.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062e9fe77",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-55.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-55.json
index 0267fa3313f5f382d6e51ba3644991051d94e237..16f4475e22694c6d5b617a0b59de9f570a7b9e11 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-55.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-55.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed290b",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-56.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-56.json
index 973fc510f86eb5eafdc6f354d164485315fe8967..e81d6d77765b1447ce66ea197918c7bf736a3c8c 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-56.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-56.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea7c83",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-57.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-57.json
index 52fec664896815a966ac8e3c41e5ff3c83ba3ca7..1711671cb402989b24f8fa175558b82c5de8c344 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-57.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-57.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb394b",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-58.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-58.json
index fbe8d0d9091d68edaf6717d0c2cb0e0b702d99ec..eb8457a65b634cc9a36588bdaab6bffc5ef2180f 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-58.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-58.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ecdf53",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-59.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-59.json
index 19838ccd8b88e8a4a680015b3d84805ff4c3566d..c8d0d9ddf20184d6073bcc3d1e633148500a41dc 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-59.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-59.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ead9ef",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-6.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-6.json
index c37b6b366645eac3e334f302516c5f30d028c7c1..f512328e07508325f8c6ce2ebf8d29476c43cb6c 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-6.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-6.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb47b3",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-60.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-60.json
index c750d919d7ccaf288be6cdd8bda2ceefb50f859e..1d4084d744a67f4e16d09de16ef2c1b3e388c815 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-60.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-60.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb0ffb",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-61.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-61.json
index 93ab92a84e27d2f67281ff477a43c2214ab367e7..136b4532db5531fc728732b84351591c5409ba35 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-61.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-61.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea0ef3",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-62.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-62.json
index 0c1a60b45eedac685e63478f0419f0eb03158a62..b54994a0e9dbb03389e4a55ae439ff5e11479234 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-62.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-62.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5009833e3e7",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-63.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-63.json
index 0ddfd3105167785770a31fdd4caec2a435a6a9ea..e1397e7338fa6a496a0f335086307b90b515fe9e 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-63.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-63.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb4d27",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-64.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-64.json
index 913947c622b74b1973ab46a37853fcab7517c1e9..be0f53c71afa5072620b2ff7a9d0212539441c78 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-64.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-64.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb2943",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-65.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-65.json
index 3bad681ed96ca166e49c878f3b487cf42b7f0294..390e5f800b3cff19a0a83c86b4b59ca1c72d9e1d 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-65.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-65.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb5607",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-66.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-66.json
index 5f9c0867e29f327c83d8f62a895335293684d463..939bc372622da7495a5c08965d4834c1481de89c 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-66.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-66.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed4c43",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-67.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-67.json
index 4b5f44a5fbe8301e0cd8dda3ef4d2081fc918663..0e4af8c25dfee47bfa04b2eb314e221729202c32 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-67.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-67.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ed21f7",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-68.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-68.json
index 99f4c1bf22497971ba0fb332d10af00fb1a22a3e..57427ada0dd25d6d8810cf42f8f12b11012855dc 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-68.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-68.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ecea0f",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-69.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-69.json
index 1de4a04be5cc73d044a9cccb0be7a2d6afb163d7..6d1c2de8ac862777d648dc501752bce4d8a372dd 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-69.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-69.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb7ffb",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-7.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-7.json
index d57b238287e0a739957f93044a4f27ce4ddf164f..bf53f23ea1fc9ff1ef5e5a7ceba7f5192c167fb3 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-7.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-7.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062e9e3f7",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-70.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-70.json
index ae513072147f7563216fe4f91afb0199ac7d125b..cf82be31e33641c473cdb54b36a9d64df322ec9b 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-70.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-70.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062eb349f",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-71.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-71.json
index 62fb05e046b478087a50a5192c0bafd84ae3c0a6..49c4dc243b02c315341b147ed6e6ed7fbb5f78b8 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-71.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-71.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ead253",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-72.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-72.json
index f571a80bab4280526a127f1887a5ce10b16b3061..d17ea8f258263e2139e6fedc3dc4205608a7a58b 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-72.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-72.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c5007e834757",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-8.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-8.json
index d77dd64782c1716c6051e88590c05ccf281e2fcf..eba4eded46e3571a32cf5a6bd8bf0ffc67965631 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-8.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-8.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062ea0ac3",
diff --git a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-9.json b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-9.json
index f985bc9207de69cb58dbde505807ff365af7e169..625794b51db61f0efa1da52040e4e82d2a9a1ef6 100644
--- a/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-9.json
+++ b/data/grid5000/sites/rennes/clusters/paravance/nodes/paravance-9.json
@@ -196,6 +196,9 @@
       }
     }
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x5000c50062e9fe9f",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-1.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-1.json
index bcff18bfcbf4a759ed810dce041dfddab7a59f7e..b328a849a6c5aff62ed50e5b723a688a15d4b65e 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-1.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-1.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752e5001f07d1950b91b9e1",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-10.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-10.json
index 1664b1a06de33fccd172ceda0a2c137a81f6f9de..e83cbb6405f24583670bb0b58638179f7d9a837b 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-10.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-10.json
@@ -125,6 +125,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "node-was-not-available-to-retrieve-this-value",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-11.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-11.json
index d3e9a4ca7848019d0716e107bb9d632af89feb4d..b06ceb03584e5e9be3ca617d9626785c974dee7e 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-11.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-11.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b9037553e001c8b46ff22e4be68",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-12.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-12.json
index 259eda0b4486965058af8a486f48ae3dc3ab9c04..aadee4d7098163f24204a10d044b1eb32e01e220 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-12.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-12.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b90345bff001f07e13f08f10e11",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-13.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-13.json
index b57ea487c53b9e43c6f27778cafc3e4fcb9720c8..12f0896892ae2c525d4c4402fd4fe52f3af6bf08 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-13.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-13.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752bb001f07d07a82c2d95c",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-14.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-14.json
index d9b25dc3734a02d19aa26a1545292ded6dd418a9..633d3bf05c14738a4d82f981ecbf7c586b628cb8 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-14.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-14.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b9037505c001d2659c6080c88f0",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-15.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-15.json
index 2522ebc9baa9171d760b3f76352922e2ace81e1c..5482d9dada889a8818246e3530439f04c9dbebb4 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-15.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-15.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b9037502e001abeb484fac1b82e",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-16.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-16.json
index fc91f87204f952564b08608d00a4f7bc49f39b49..5c124aaeb71a206393c8bc3edd8b1885b198f411 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-16.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-16.json
@@ -126,6 +126,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "node-was-not-available-to-retrieve-this-value",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-17.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-17.json
index 3e26a357672c116957fbf069a428dd65fb340e2b..5e12036c22c4ad933ee5c0df7808442a3117ea2d 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-17.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-17.json
@@ -125,6 +125,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "node-was-not-available-to-retrieve-this-value",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-18.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-18.json
index 18097f9ee5afb9566cf19b3ba0422f6cf8620996..b198a210e78899f750b1dd7547320a1d6aaecbcc 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-18.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-18.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b90375548002036e77b0b99af8e",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-19.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-19.json
index 10f3dd8f9a216446d4a4bc49710b4724d6f53a72..f08c9f1a9cb4bf321ad0b858ef892651b5a33465 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-19.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-19.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752b40012c3706c1f9e4287",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-2.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-2.json
index a347871595a89439041bb039e0897d03d093090e..ceb61b83bef03d674f0285a27edf11e898e2038e 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-2.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-2.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903750640012c36dd864a1d4d4",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-20.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-20.json
index de87c6eb5a50303f65558f27af5ec2cc0543d697..6947e7e8f2445c7e105bc4971c97fe69ef883560 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-20.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-20.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b90375559001cff17810e7bffbf",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-21.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-21.json
index 8e97521580476daf52414ce0657e3e58148c101e..cc593b1d6e884515ca2394d958e11a91d536f7d8 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-21.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-21.json
@@ -125,6 +125,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "node-was-not-available-to-retrieve-this-value",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-22.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-22.json
index 3ebfc55bc64fca5f29a313ffb41c16d54aed3b81..b0ddd3ee0ee20bb63c0df54713e4247d6a10c924 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-22.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-22.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b9034f3ae001abeb7e77adf567a",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-23.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-23.json
index 550be70b2597357344d8318fbe08672dd187f14d..f80bc7010816a376e747a004e581d04678d45c23 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-23.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-23.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b90375070001d2005e9ae2d7fce",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-24.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-24.json
index 72b9e27410dd253265a4be0d6301ee86614ca4aa..acd700ee4ef127ce952aed5b09c0bef798b171bb 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-24.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-24.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752c6001cff19b50975e083",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-25.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-25.json
index c597ae34d1f40e897f35a6f12a050e89254b6ae4..2d5ea8934ea8e9561a7da1fc193ef736754929a3 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-25.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-25.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752c9001d20088209806520",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-26.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-26.json
index e5903bfa531e46d95313cd4c1e4a39366f46c7ec..1e32b5ad5c0e0d94ce74d744aa49ea2db434586c 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-26.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-26.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903750430012c370d725fb5385",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-27.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-27.json
index a1fee948a70483c11d00dec03816cb8beb21aecc..6cc7e660b5cb66663ba50831d3c9517dc3ebe653 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-27.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-27.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752ac001f07d212a17021f6",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-28.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-28.json
index 8b9b9562c4aa1d55f7dd7cebd7d851cf004de3aa..4a57d005e65705e6fea9cf0920e3a946ddeeeaf9 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-28.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-28.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752b70022be8dd307926bd4",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-29.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-29.json
index fc256acbe00d42355625ad3da5fb1281d90829df..069a41ae0f57664ef1edba684e523cf3ea56838a 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-29.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-29.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903755440012c3703e1ce84dfb",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-3.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-3.json
index 6572e6fa894131d882a4aa2711438619a2db5a21..02466a34f9a54e65cbf1cd422a72e860d5506c6f 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-3.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-3.json
@@ -125,6 +125,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "node-was-not-available-to-retrieve-this-value",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-30.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-30.json
index fbdd5454afd68177c0b8c633546e4adabfaea4f4..31a03bbf1ed68675cda1e6b354429ca074780ff7 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-30.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-30.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b90375551001abeb87191b2bd58",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-31.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-31.json
index e489a8d2f3446d4a858a8fad74cb773c672ec82e..973e08cd7a50baf16cca5883935a4eda171e1a37 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-31.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-31.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752c10012c371242a8acfe9",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-32.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-32.json
index ad9017888d5847441bfbfa92b28763d0e4453375..3f0c965cfb224a7204cda05438cf577107a6b4a8 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-32.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-32.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b90375073001ab1b68e04dc42da",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-33.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-33.json
index b97af138b1c5d3462918fdb740b0bdcad1b772e2..1fb9addcc255bf4bb085b980fd2e910e83037976 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-33.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-33.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752be001abeb9ec04a967d6",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-34.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-34.json
index 0818c55186d587736638ad89c6ad794af689bc72..65b36a3ab2b0502253de2175e862bede0db08a3d 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-34.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-34.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b9037554200193b6e6c04f7c43d",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-35.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-35.json
index 18cb1ac3c644c9b4b2f15bdfb16bccc88cd23741..965a38e66dc14b69d05e4e35d377c0c53ebf6a49 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-35.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-35.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752c300218f34310af7656c",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-36.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-36.json
index 838fc5ddffa651e05edcb824732625ba9955b5b7..40ca0db3ca562a06849df169e4367c9298e1c833 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-36.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-36.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752b8001ab1cc6c054cea3f",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-37.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-37.json
index e995aa76dc300ada4afc5dafae53bd2596ffadae..25777ceb8632d3b04962896b6d8928b30b46c507 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-37.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-37.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752b50012c37180301342d2",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-38.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-38.json
index f895e3d203afc852ef656db92136821a27b2ee84..0153ef6077d61d8a440f2aa959e7c27109621230 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-38.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-38.json
@@ -125,6 +125,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903751180012c3718f30ecde74",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-39.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-39.json
index ab2c24c8b31747572e9bf685544f9662df76f80b..0795a4bee9daebe6ae39f0b1f7901dbaff462a99 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-39.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-39.json
@@ -125,6 +125,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "node-was-not-available-to-retrieve-this-value",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-4.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-4.json
index 554e1280e68557241d275d46b853b4ab1c80295d..396cfc12852761fe8ee8cee3aba22185832f3292 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-4.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-4.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903750980012c36f8611dd5f41",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-40.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-40.json
index bf8e4adbf203740c0da9f22454f09ea223e7bd97..f200579841fbae101595469e3e755aa5e7efb260 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-40.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-40.json
@@ -125,6 +125,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903750610012c371ae32c6754d",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-41.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-41.json
index 9b42b520d9a38316c22e3f059bbc2f5fb8c25d59..4b72ffbdae478a174ded26790bf901c3e6144443 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-41.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-41.json
@@ -125,6 +125,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b90374f250012c371bd33c3fc6d",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-42.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-42.json
index 6c66f4f6c645ea2b1eb19b1f3780617a86eee381..ee61a7b9a659d61e666411325dbd36af074f47a7 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-42.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-42.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903750230012c371cc349b16ce",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-43.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-43.json
index fc0b2ea84736818b84666d9e18fb5c6390642f2f..1201cc513696ddb4eda99c223f4be90a640430e3 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-43.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-43.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b9037553d001abeb94f2fdc575d",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-44.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-44.json
index 66275bfe294ba327aff806c376ded26cc8c1ade1..c689f81bfb931e03b94e4ac8d0bc4034b86f861e 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-44.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-44.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b9037555a001f07f143053bf158",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-45.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-45.json
index 0522910455952b0f54ae5aaa2f07b54e6763564b..e3399c67097999d30024cf8cf65c29c95f7d8275 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-45.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-45.json
@@ -125,6 +125,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "node-was-not-available-to-retrieve-this-value",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-5.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-5.json
index 19fb1f299d059b9bf26db6a5a687cfb53e719413..7537997b531a1a34447a8c695b09189bbccb47a3 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-5.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-5.json
@@ -125,6 +125,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "node-was-not-available-to-retrieve-this-value",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-6.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-6.json
index f3121feb6e0e17d0dd12d418dfbbf660d8d219bd..9542166d59ae1d1f4fc7c447818b9562f742528d 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-6.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-6.json
@@ -125,6 +125,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "node-was-not-available-to-retrieve-this-value",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-7.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-7.json
index 21ec218d443ae257315d7502a98713c4a8e09f04..a8ce13881480f1b498c157858c1b64988cb92017 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-7.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-7.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b903752c40012c36fb414ae8263",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-8.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-8.json
index 368053706f5da280cb4e7e2b0e42a5326b5a1f9c..91e7720538feb5afc280b741e0aecca7c543281f 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-8.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-8.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b9037556b001da7a21d04c951a9",
diff --git a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-9.json b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-9.json
index 7db5ee1dfd3dff7a148080d29d6c41a001647915..2765eacce039358f66c59c77b6939e928816a1e2 100644
--- a/data/grid5000/sites/sophia/clusters/suno/nodes/suno-9.json
+++ b/data/grid5000/sites/sophia/clusters/suno/nodes/suno-9.json
@@ -127,6 +127,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x60026b90374f1e001f07ebefbd64ae7e",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-1.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-1.json
index 7fec1514bbc9b6a0391ca91a31b0d01c267bac79..def00355d9feed1b549904a38d8dee592b09a89c 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-1.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-1.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee10377365d",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-10.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-10.json
index ceba30546187132f418f89e2e2e54140145dc4fd..7fff79e3c3900489e5119318d7d60e6f50143c44 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-10.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-10.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158d2ac9e",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-11.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-11.json
index 72b75eac7a6a5587cfcfe5dad28f5383010d7be7..326b4f26698358ef543ed2a25b424e1a8d20bbe2 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-11.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-11.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1037d9b0a",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-12.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-12.json
index 7ef8accb7c1da92b33ed7705b3ed570e26141277..8e32daae33505622212aa943ad7c8c050b63bb5c 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-12.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-12.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1037dca3a",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-14.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-14.json
index ac5de1453366e0845a712ce04c5d71a29ef5e4bc..c872758b2d5cbe44b09d65b73545c4dd8671b7e0 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-14.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-14.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1ae21aa9f",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-15.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-15.json
index a161c796452b27f75636f90f3ead9c4dc7874e86..a37c525ef2b2f4513f594786e230203e2f472edb 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-15.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-15.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158d29b95",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-16.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-16.json
index 547f2d617138e3b48fe86bb609f95e765aa42ffb..ee5d61f2e6892968030b633155eff3e3d4260996 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-16.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-16.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158d27392",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-17.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-17.json
index d84b0b88726b7a8433ea6542df8e6a08a9d65ff0..490dcfd03f74701834fb5679b3d82ff6af0d19f4 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-17.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-17.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158cc0c27",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-18.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-18.json
index 7d978c42d5cb75eb533617cbbe2b829c695ece7f..2f55c40bf95a4a798d8d1db027e8dc9668e9666e 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-18.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-18.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee10376fbf4",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-19.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-19.json
index cefb07f85ceae8645f5cc89572b143a046b46ab6..265a39e26726e5a29e6a8e3f604b2efe0ef8d9c0 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-19.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-19.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee10377597f",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-2.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-2.json
index 08557d0b63bec57c941996e152ce18ece62c5c31..7cde275f81b3412fcb7133f2783592c8026e111c 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-2.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-2.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee103774dad",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-20.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-20.json
index 40d284a4713f0a4e6805d4bcf161986a5bd62ec3..f860c4a58491e7bd46c7447790c0bc41c2bc92f8 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-20.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-20.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1ae1ade58",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-21.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-21.json
index 7079554ccc1fab262c82f789fb53df208c7b1996..a093c37fcdbaccf8020f269cb2289bc51c7efe1f 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-21.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-21.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1035611cc",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-22.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-22.json
index 6333a218e74a6b12f7307c2e442ad1fb6f6ec18a..d739776ff75e11e8c102caf13dca45a27038dea6 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-22.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-22.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1034fc11a",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-23.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-23.json
index b864875fd3cf1470e55282d6c97087f1c0fc37df..ca88bdb87b996e1f148f0beebda282b397cab456 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-23.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-23.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1035017ca",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-24.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-24.json
index 6519e857048005bd9b15e2982a47860e80d2e381..2d80f7adf7b90874badc9a8afc125fc60a7ce7ba 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-24.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-24.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158ab3666",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-25.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-25.json
index f12ebad63008e1cbcbffc7c5f3ae08c08c77d957..680f721e62243bfae0aafe4bc3aa652f5bbf3c01 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-25.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-25.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158c527af",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-26.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-26.json
index a18bed9de06a1459e069cf56e5279b0f3c7bdf97..14be2b614bf35480b7cd280effdba77c1a7ce04c 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-26.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-26.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1ae140810",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-27.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-27.json
index 012bc744f4ecca814769a35cc944b916dd26b9cd..4fe68281da7e5ac472b43b72fb889de834a9f94c 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-27.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-27.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158c4f2bc",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-28.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-28.json
index 6fa6475d6d42bd31bea00ebaed7e62a4d99022d3..c1444c1fc39b6bf49446d6e1a84e2dbbf31e8dda 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-28.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-28.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1ae13ef0b",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-29.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-29.json
index 69ceabee61e02356c213e6cc1eb6d8498327239d..6e8e83ae56320a02979788eb8b11388d490569bf 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-29.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-29.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1037d9c5c",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-3.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-3.json
index 2b528979c2774d6c65a98a98a5a41854068ccaa0..8be77d8569bcd68056484721d409212de2e16297 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-3.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-3.json
@@ -159,6 +159,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "node-was-not-available-to-retrieve-this-value",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-30.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-30.json
index b6b452fb850ecaa99908d6fff366a771e04bc74d..5eb98b539bf978b82428f74b6319e1e5e09a8794 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-30.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-30.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158d2867d",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-31.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-31.json
index 405cdc470444f19764ada86758aefde5b6bba3cf..2ae2477a82db73cec0b20c7ca8bc36906e37314e 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-31.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-31.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158d2ab65",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-32.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-32.json
index 3fc27482ee91736a87f44ee89dc76504b303a788..846ddc60398a29caa7e10987e0753d9928fe88da 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-32.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-32.json
@@ -160,6 +160,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1037db989",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-33.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-33.json
index 32978eb66cde1d2ec20f670f2d859ea9524a6cc6..460c7160a4091bb34b287b2ba1eefb3b0985651e 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-33.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-33.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158df841f",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-34.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-34.json
index d36333c9291e7a6c9a482d91b4bc64185726808c..f5ee5a907691957f27a663bfa391e02dfba888f7 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-34.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-34.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158d28b88",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-35.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-35.json
index f5fba23f7040993f373d0d25ca9047286a23385c..09d1e37631bed2f853d70cfe1cc1c1a0cdd559b3 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-35.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-35.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158d27497",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-36.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-36.json
index 130c125528fda84515e39fc671e206ced88a9f23..1f4cf1637aab788792b2c32e018245e530a89710 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-36.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-36.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158d28666",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-37.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-37.json
index 2c7cbd89ead15b11014f34894b0cbc3700a557f5..1dcaacd3bd32c0eaec1de86c2ea14173f7ccef92 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-37.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-37.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee10356046d",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-38.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-38.json
index 1fac476ccd18bc8e8084440b65671f7271433b01..874ba81a05a8588a7231344b6c62c085a5817484 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-38.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-38.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1ae1aea70",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-39.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-39.json
index 3a0e7e3c76ef36015dde67b0a1af1c3227c0ffec..4bb448140995fcd2ffc91a51bc6471d8fc9ad411 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-39.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-39.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee103564d75",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-4.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-4.json
index c9475fd386ece6c9edb57135074e37c1c1881cec..1b1d8130a5546a8f7b3aeb71444a465e68e88cc3 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-4.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-4.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee10377055c",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-40.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-40.json
index c2633bcf2d4e06a5afac8d42499d96c618440840..edd03224b6c42ad80f722f7568bbadc298af46af 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-40.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-40.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee103775968",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-41.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-41.json
index acb47d26db20828bf9d34490077fbc94cf1386f7..663bbc6fc04cdad7584bb11337e5edbfe9deac34 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-41.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-41.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1ae1b17e1",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-42.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-42.json
index 5e13355985f55522d8fbee8c3525acb38408d219..836ff05e2ca2677d2f316082f7de77cf20956be1 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-42.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-42.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee103771a9a",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-43.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-43.json
index e9b78107dbcbceda6dc46f50910e285b4a61dc2a..2ccc5f7f82cc27beabdc5260998b32d2fdf0cbb7 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-43.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-43.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158cc32ab",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-44.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-44.json
index 3af5610cea6e901dc0c4d7fdf3f3c59f9f3ee576..bdf2c95f5a1f9ec12d24cf56fe12064ecdd2dada 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-44.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-44.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee10377331d",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-5.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-5.json
index 2dc20373c6021844242110b60a310968c3debcdb..1852f1429eb60bcdf1b001c3cc59df057a41162e 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-5.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-5.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1ae216ca4",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-6.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-6.json
index 505fd244df64530678bfe7af8c643b7e79a9a213..cdbe24755e643d5b8b6c69a92a319bbd3baa4ae3 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-6.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-6.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158d274c4",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-7.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-7.json
index ea35f4b90b5f7fee34ac0aadf85bf0c3cb6996ed..cc0c14da757dcd769e9b44073c73c48f4be454fb 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-7.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-7.json
@@ -159,6 +159,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "node-was-not-available-to-retrieve-this-value",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-8.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-8.json
index c9a0a5d316db7ddc66d43e707ab2cf15dbb91366..98304ad808b884ea41ecc3a4ee94e7def1aec045 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-8.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-8.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee1037d9480",
diff --git a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-9.json b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-9.json
index 909963e107bb4dfb8d178b567b5f575fe9b40852..01ddcf3884aa0664e22130ac3a36caef4d165317 100644
--- a/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-9.json
+++ b/data/grid5000/sites/sophia/clusters/uvb/nodes/uvb-9.json
@@ -162,6 +162,9 @@
   },
   "sensors": {
   },
+  "software": {
+    "standard-environment": "debian10-x64-std"
+  },
   "storage_devices": [
     {
       "by_id": "/dev/disk/by-id/wwn-0x50014ee158d2880d",
diff --git a/input/grid5000/sites/grenoble/clusters/dahu/dahu.yaml b/input/grid5000/sites/grenoble/clusters/dahu/dahu.yaml
index 00784476aaebdfe44f875cc91dfa48caafc81128..87d3766767698d248ca482a373c5b444ed43b283 100644
--- a/input/grid5000/sites/grenoble/clusters/dahu/dahu.yaml
+++ b/input/grid5000/sites/grenoble/clusters/dahu/dahu.yaml
@@ -12,6 +12,8 @@ nodes:
   dahu-[1-72]:
     processor:
       microarchitecture: Skylake
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 12790000000
       node_flops: 428900000000
diff --git a/input/grid5000/sites/grenoble/clusters/troll/troll.yaml b/input/grid5000/sites/grenoble/clusters/troll/troll.yaml
index 38c09f13fd944620e60f736bb5473273ca69e088..7fcf3e0ed3dd350679d7dfecacf9d468318c7ace 100644
--- a/input/grid5000/sites/grenoble/clusters/troll/troll.yaml
+++ b/input/grid5000/sites/grenoble/clusters/troll/troll.yaml
@@ -9,6 +9,8 @@ nodes:
   troll-[1-4]:
     processor:
       microarchitecture: Cascade Lake-SP
+    software:
+      standard-environment: debian10-x64-std
     supported_job_types:
        deploy: true
        besteffort: true
diff --git a/input/grid5000/sites/grenoble/clusters/yeti/yeti.yaml b/input/grid5000/sites/grenoble/clusters/yeti/yeti.yaml
index 6504cfd0cd6bcc32607750a9c29cf7e0ef350bad..97907d651b158064b8810f48edbaf97a9c332e52 100644
--- a/input/grid5000/sites/grenoble/clusters/yeti/yeti.yaml
+++ b/input/grid5000/sites/grenoble/clusters/yeti/yeti.yaml
@@ -11,6 +11,8 @@ nodes:
   yeti-[1-4]:
     processor:
       microarchitecture: Skylake
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 12240000000
       node_flops: 847200000000
diff --git a/input/grid5000/sites/lille/clusters/chetemi/chetemi.yaml b/input/grid5000/sites/lille/clusters/chetemi/chetemi.yaml
index f127d1a81ff7848ad42d2d6b4d0cd153801910f0..e25cd78a5702ca52e6b606b8f10c14737955eb10 100644
--- a/input/grid5000/sites/lille/clusters/chetemi/chetemi.yaml
+++ b/input/grid5000/sites/lille/clusters/chetemi/chetemi.yaml
@@ -17,6 +17,8 @@ nodes:
       max_walltime: 0
     processor:
       microarchitecture: Broadwell
+    software:
+      standard-environment: debian10-x64-std
     performance:
         core_flops: 15690000000
         node_flops: 331400000000
diff --git a/input/grid5000/sites/lille/clusters/chiclet/chiclet.yaml b/input/grid5000/sites/lille/clusters/chiclet/chiclet.yaml
index ff9e5b4c855d15b5558ae488bb2e69246b3c822d..950b1b8ab05b6504f3b1b175baecb8de4185d672 100644
--- a/input/grid5000/sites/lille/clusters/chiclet/chiclet.yaml
+++ b/input/grid5000/sites/lille/clusters/chiclet/chiclet.yaml
@@ -17,6 +17,8 @@ nodes:
       max_walltime: 0
     processor:
       microarchitecture: Zen
+    software:
+      standard-environment: debian10-x64-std
     performance:
         core_flops: 12600000000
         node_flops: 380100000000
diff --git a/input/grid5000/sites/lille/clusters/chifflet/chifflet.yaml b/input/grid5000/sites/lille/clusters/chifflet/chifflet.yaml
index 842014b09482551a7da2654a7c5894d858259963..87150f45a68e11fe4d790aa68d4db1eeb4f0a564 100644
--- a/input/grid5000/sites/lille/clusters/chifflet/chifflet.yaml
+++ b/input/grid5000/sites/lille/clusters/chifflet/chifflet.yaml
@@ -17,6 +17,8 @@ nodes:
       max_walltime: 0
     processor:
       microarchitecture: Broadwell
+    software:
+      standard-environment: debian10-x64-std
     performance:
         core_flops: 15730000000
         node_flops: 419500000000
diff --git a/input/grid5000/sites/lille/clusters/chifflot/chifflot.yaml b/input/grid5000/sites/lille/clusters/chifflot/chifflot.yaml
index 18e06a844456158e9372835b1d78bf1ad22caa95..e2ffe57eba37061d56162a35c96d924b55796e2f 100644
--- a/input/grid5000/sites/lille/clusters/chifflot/chifflot.yaml
+++ b/input/grid5000/sites/lille/clusters/chifflot/chifflot.yaml
@@ -17,6 +17,8 @@ nodes:
       max_walltime: 0
     processor:
       microarchitecture: Skylake
+    software:
+      standard-environment: debian10-x64-std
     performance:
         core_flops: 16360000000
         node_flops: 408900000000
diff --git a/input/grid5000/sites/luxembourg/clusters/granduc/granduc.yaml b/input/grid5000/sites/luxembourg/clusters/granduc/granduc.yaml
index 23caff1d19a67b2c866b02861b9707c166dfd475..428178a9d156f548853fab5d8d47f7e94a557e09 100644
--- a/input/grid5000/sites/luxembourg/clusters/granduc/granduc.yaml
+++ b/input/grid5000/sites/luxembourg/clusters/granduc/granduc.yaml
@@ -9,6 +9,8 @@ nodes:
   granduc-[1-22]:
     processor:
       microarchitecture: Clovertown
+    software:
+      standard-environment: debian10-x64-std
     performance:
       node_flops: 44.07e+9
       core_flops: 6.409e+9
diff --git a/input/grid5000/sites/luxembourg/clusters/petitprince/petitprince.yaml b/input/grid5000/sites/luxembourg/clusters/petitprince/petitprince.yaml
index 810399c67091526dc78b68f653f47e4e425a9936..d74efd7b56f8222259963cd34714122e15dd2fe1 100644
--- a/input/grid5000/sites/luxembourg/clusters/petitprince/petitprince.yaml
+++ b/input/grid5000/sites/luxembourg/clusters/petitprince/petitprince.yaml
@@ -9,6 +9,8 @@ nodes:
   petitprince-[1-16]:
     processor:
       microarchitecture: Sandy Bridge
+    software:
+      standard-environment: debian10-x64-std
     performance:
       node_flops: 130.6e+9
       core_flops: 12.14e+9
diff --git a/input/grid5000/sites/lyon/clusters/gemini/gemini.yaml b/input/grid5000/sites/lyon/clusters/gemini/gemini.yaml
index d32ed5e55ab448edf7c44be7d985c044dbaa7158..c711356b5dd500049fa79b1d4b3bfbd12f6224f0 100644
--- a/input/grid5000/sites/lyon/clusters/gemini/gemini.yaml
+++ b/input/grid5000/sites/lyon/clusters/gemini/gemini.yaml
@@ -41,6 +41,8 @@ nodes:
       node_flops: 544510000000
     processor:
       microarchitecture: Broadwell
+    software:
+      standard-environment: debian10-x64-std
     network_adapters:
       bmc:
         interface: Ethernet
diff --git a/input/grid5000/sites/lyon/clusters/hercule/hercule.yaml b/input/grid5000/sites/lyon/clusters/hercule/hercule.yaml
index e1c2c51cda5fe17c7b7554c311adb4cdf3fd5fb0..5d9b773dfae9c014bcc2e22d6497edb03e4dfe0a 100644
--- a/input/grid5000/sites/lyon/clusters/hercule/hercule.yaml
+++ b/input/grid5000/sites/lyon/clusters/hercule/hercule.yaml
@@ -11,6 +11,8 @@ nodes:
   hercule-[1-4]:
     processor:
       microarchitecture: Sandy Bridge
+    software:
+      standard-environment: debian10-x64-std
     performance:
         core_flops: 10170000000
         node_flops: 127100000000
diff --git a/input/grid5000/sites/lyon/clusters/nova/nova.yaml b/input/grid5000/sites/lyon/clusters/nova/nova.yaml
index 0f4a4f9e09f34ed1cfa1c42c04cfd82a29e0be4b..b70301bda87682dd3196614cd84d50cc3e53886a 100644
--- a/input/grid5000/sites/lyon/clusters/nova/nova.yaml
+++ b/input/grid5000/sites/lyon/clusters/nova/nova.yaml
@@ -11,6 +11,8 @@ nodes:
   nova-[1-23]:
     processor:
       microarchitecture: Broadwell
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 16120000000
       node_flops: 277800000000
diff --git a/input/grid5000/sites/lyon/clusters/orion/orion.yaml b/input/grid5000/sites/lyon/clusters/orion/orion.yaml
index 6580ec2a92529859900554265a6516b932643998..02e4fa018de721fd72697642fe37294ecbdda335 100644
--- a/input/grid5000/sites/lyon/clusters/orion/orion.yaml
+++ b/input/grid5000/sites/lyon/clusters/orion/orion.yaml
@@ -10,6 +10,8 @@ nodes:
   orion-[1-4]:
     processor:
       microarchitecture: Sandy Bridge
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 11900000000
       node_flops: 147200000000
diff --git a/input/grid5000/sites/lyon/clusters/sagittaire/sagittaire.yaml b/input/grid5000/sites/lyon/clusters/sagittaire/sagittaire.yaml
index 9029e79164dccd9c585b0d14357441fa594f3a9e..618963316401c0108212497ed989514e56926850 100644
--- a/input/grid5000/sites/lyon/clusters/sagittaire/sagittaire.yaml
+++ b/input/grid5000/sites/lyon/clusters/sagittaire/sagittaire.yaml
@@ -22,6 +22,8 @@ nodes:
   sagittaire-[1-79]:
     processor:
       microarchitecture: K8
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 3929000000
       node_flops: 7440000000
diff --git a/input/grid5000/sites/lyon/clusters/taurus/taurus.yaml b/input/grid5000/sites/lyon/clusters/taurus/taurus.yaml
index 3e1ed6902f40bc6aafd17a45797f50c70747d876..859b619e077bc896dc2fc720b722dcccb2bc19cf 100644
--- a/input/grid5000/sites/lyon/clusters/taurus/taurus.yaml
+++ b/input/grid5000/sites/lyon/clusters/taurus/taurus.yaml
@@ -10,6 +10,8 @@ nodes:
   taurus-[1-16]:
     processor:
       microarchitecture: Sandy Bridge
+    software:
+      standard-environment: debian10-x64-std
     performance:
         core_flops: 11770000000
         node_flops: 146900000000
diff --git a/input/grid5000/sites/nancy/clusters/graffiti/graffiti.yaml b/input/grid5000/sites/nancy/clusters/graffiti/graffiti.yaml
index 392cf97a94837ab760773d4c79e5bf78b5c9a265..e2396117168868d7db9279985bd33e8865b9d225 100644
--- a/input/grid5000/sites/nancy/clusters/graffiti/graffiti.yaml
+++ b/input/grid5000/sites/nancy/clusters/graffiti/graffiti.yaml
@@ -9,6 +9,8 @@ nodes:
   graffiti-[1-13]:
     processor:
       microarchitecture: Skylake
+    software:
+      standard-environment: debian10-x64-std
     supported_job_types:
        deploy: true
        besteffort: true
diff --git a/input/grid5000/sites/nancy/clusters/graoully/graoully.yaml b/input/grid5000/sites/nancy/clusters/graoully/graoully.yaml
index c934edfebf26091c264d7d157bef82336deb9dc6..a1458b68ca4dd64683eb00a4e08d91b40b59cb76 100644
--- a/input/grid5000/sites/nancy/clusters/graoully/graoully.yaml
+++ b/input/grid5000/sites/nancy/clusters/graoully/graoully.yaml
@@ -12,6 +12,8 @@ nodes:
   graoully-[1-16]:
     processor:
       microarchitecture: Haswell
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 15480000000
       node_flops: 250700000000
diff --git a/input/grid5000/sites/nancy/clusters/graphique/graphique.yaml b/input/grid5000/sites/nancy/clusters/graphique/graphique.yaml
index 4995cefc0b691769d053f916ed414d189e355251..d46d129796512c61a770fd84cfd424a5e9d4163e 100644
--- a/input/grid5000/sites/nancy/clusters/graphique/graphique.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphique/graphique.yaml
@@ -19,6 +19,8 @@ nodes:
       besteffort: true
     processor:
       microarchitecture: Haswell
+    software:
+      standard-environment: debian10-x64-std
     storage_devices:
       sda:
         interface: SCSI
diff --git a/input/grid5000/sites/nancy/clusters/graphite/graphite.yaml b/input/grid5000/sites/nancy/clusters/graphite/graphite.yaml
index bbb2f0c32025891de098978135fae2622585200f..2d7096d1af9aee8d3edbae8b6b0d0ac214f3e1b3 100644
--- a/input/grid5000/sites/nancy/clusters/graphite/graphite.yaml
+++ b/input/grid5000/sites/nancy/clusters/graphite/graphite.yaml
@@ -16,6 +16,8 @@ nodes:
       node_flops: 187.90e+9
     processor:
       microarchitecture: Sandy Bridge
+    software:
+      standard-environment: debian10-x64-std
     supported_job_types:
       deploy: true
       besteffort: true
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/grcinq.yaml b/input/grid5000/sites/nancy/clusters/grcinq/grcinq.yaml
index 9cd365dfca4021fbf94cca7f7c4f570a1637ee0f..b70853b6198761eb4317b5bb1a04bbded3645f31 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/grcinq.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/grcinq.yaml
@@ -9,6 +9,8 @@ nodes:
   grcinq-[1-48]:
     processor:
       microarchitecture: Sandy Bridge
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 11960000000
       node_flops: 201600000000
diff --git a/input/grid5000/sites/nancy/clusters/grele/grele.yaml b/input/grid5000/sites/nancy/clusters/grele/grele.yaml
index debba6e879803d31996e8f38a3030e5de1834741..09c6f13f6908412dc98d8e7e1bbd814d4c2d899b 100644
--- a/input/grid5000/sites/nancy/clusters/grele/grele.yaml
+++ b/input/grid5000/sites/nancy/clusters/grele/grele.yaml
@@ -21,6 +21,8 @@ nodes:
         available: false
     processor:
       microarchitecture: Broadwell
+    software:
+      standard-environment: debian10-x64-std
     network_adapters:
       eth0:
         enabled: true
diff --git a/input/grid5000/sites/nancy/clusters/grimani/grimani.yaml b/input/grid5000/sites/nancy/clusters/grimani/grimani.yaml
index 7c2c1b3ecf302fcedcb6975d18e2f8e91e41ac05..380db585c69e60a8d04bd4e9031aaa8882d543b1 100644
--- a/input/grid5000/sites/nancy/clusters/grimani/grimani.yaml
+++ b/input/grid5000/sites/nancy/clusters/grimani/grimani.yaml
@@ -21,6 +21,8 @@ nodes:
         available: false
     processor:
       microarchitecture: Haswell
+    software:
+      standard-environment: debian10-x64-std
     storage_devices:
       sda:
         interface: SATA
diff --git a/input/grid5000/sites/nancy/clusters/grimoire/grimoire.yaml b/input/grid5000/sites/nancy/clusters/grimoire/grimoire.yaml
index c00e4786f6ef4eb4aa4fe90665d20756c4b19fcc..6549ac84ae212c5fc5c98dac0eb6a0f2d79e5650 100644
--- a/input/grid5000/sites/nancy/clusters/grimoire/grimoire.yaml
+++ b/input/grid5000/sites/nancy/clusters/grimoire/grimoire.yaml
@@ -12,6 +12,8 @@ nodes:
   grimoire-[1-8]:
     processor:
       microarchitecture: Haswell
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 15440000000
       node_flops: 255800000000
diff --git a/input/grid5000/sites/nancy/clusters/grisou/grisou.yaml b/input/grid5000/sites/nancy/clusters/grisou/grisou.yaml
index 389cfdd51663865bb5bbfc8f4f146a6b2bc28d97..3aaed3717272f482100ea405d7ccfe004f442bc6 100644
--- a/input/grid5000/sites/nancy/clusters/grisou/grisou.yaml
+++ b/input/grid5000/sites/nancy/clusters/grisou/grisou.yaml
@@ -13,6 +13,8 @@ nodes:
   grisou-[1-51]:
     processor:
       microarchitecture: Haswell
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 15380000000
       node_flops: 256800000000
diff --git a/input/grid5000/sites/nancy/clusters/gros/gros.yaml b/input/grid5000/sites/nancy/clusters/gros/gros.yaml
index 81829e4fe78e1b47e8ba79b88a7919cd0617b07f..de36c4be56367aae6f07c73001b7e430c47a4e2f 100644
--- a/input/grid5000/sites/nancy/clusters/gros/gros.yaml
+++ b/input/grid5000/sites/nancy/clusters/gros/gros.yaml
@@ -9,6 +9,8 @@ nodes:
   gros-[1-124]:
     processor:
       microarchitecture: Cascade Lake-SP
+    software:
+      standard-environment: debian10-x64-std
     supported_job_types:
        deploy: true
        besteffort: true
diff --git a/input/grid5000/sites/nancy/clusters/grue/grue.yaml b/input/grid5000/sites/nancy/clusters/grue/grue.yaml
index a306ef086b78f13fbc1dded5409ccbb1b98e21d2..5e1c77c2eb125e4463cceed17bade7df9e20fde8 100644
--- a/input/grid5000/sites/nancy/clusters/grue/grue.yaml
+++ b/input/grid5000/sites/nancy/clusters/grue/grue.yaml
@@ -14,6 +14,8 @@
       node_flops: 430760000000
      processor:
        microarchitecture: Zen
+     software:
+       standard-environment: debian10-x64-std
      network_adapters:
        bmc:
          interface: Ethernet
diff --git a/input/grid5000/sites/nancy/clusters/grvingt/grvingt.yaml b/input/grid5000/sites/nancy/clusters/grvingt/grvingt.yaml
index 0250c4fe73ac863f6a68672ecffb79ae732f461b..acad54c063f64a6bfcae148acf9335582cc28558 100644
--- a/input/grid5000/sites/nancy/clusters/grvingt/grvingt.yaml
+++ b/input/grid5000/sites/nancy/clusters/grvingt/grvingt.yaml
@@ -10,6 +10,8 @@ nodes:
   grvingt-[1-64]:
     processor:
       microarchitecture: Skylake
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 12770000000
       node_flops: 438800000000
diff --git a/input/grid5000/sites/nantes/clusters/econome/econome.yaml b/input/grid5000/sites/nantes/clusters/econome/econome.yaml
index ffe86749967fd3e649abbd2e342408b340772d82..0caf0505540b449dc4f22941b9c6b38890472eed 100644
--- a/input/grid5000/sites/nantes/clusters/econome/econome.yaml
+++ b/input/grid5000/sites/nantes/clusters/econome/econome.yaml
@@ -10,6 +10,8 @@ nodes:
   econome-[1-22]:
     processor:
       microarchitecture: Sandy Bridge
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 14040000000
       node_flops: 207400000000
diff --git a/input/grid5000/sites/nantes/clusters/ecotype/ecotype.yaml b/input/grid5000/sites/nantes/clusters/ecotype/ecotype.yaml
index 7814cb0bf1926a0d6337096498190107b3961ab6..aa366a912cb4cd6c16180607d2caae17c1c77762 100644
--- a/input/grid5000/sites/nantes/clusters/ecotype/ecotype.yaml
+++ b/input/grid5000/sites/nantes/clusters/ecotype/ecotype.yaml
@@ -11,6 +11,8 @@ nodes:
   ecotype-[1-48]:
     processor:
       microarchitecture: Broadwell
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops:  13180000000
       node_flops: 275300000000
diff --git a/input/grid5000/sites/rennes/clusters/paranoia/paranoia.yaml b/input/grid5000/sites/rennes/clusters/paranoia/paranoia.yaml
index 4b42eb4d41010e0c1bb8df7bd13b3f074bc291ad..42c286d9fab942dfe22c71964f696a2be27ba653 100644
--- a/input/grid5000/sites/rennes/clusters/paranoia/paranoia.yaml
+++ b/input/grid5000/sites/rennes/clusters/paranoia/paranoia.yaml
@@ -10,6 +10,8 @@ nodes:
   paranoia-[1-8]:
     processor:
       microarchitecture: Sandy Bridge
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 13800000000
       node_flops: 260000000000
diff --git a/input/grid5000/sites/rennes/clusters/parapide/parapide.yaml b/input/grid5000/sites/rennes/clusters/parapide/parapide.yaml
index 7a243ec66196d15d2d078145c776c78e92fb657a..a73acfb30ffd9bc292b32ba95e36288b55c9ee47 100644
--- a/input/grid5000/sites/rennes/clusters/parapide/parapide.yaml
+++ b/input/grid5000/sites/rennes/clusters/parapide/parapide.yaml
@@ -26,6 +26,8 @@ nodes:
               ambient: /MB/T_AMB  
     processor:
       microarchitecture: Nehalem
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 9170000000
       node_flops: 71150000000
diff --git a/input/grid5000/sites/rennes/clusters/parapluie/parapluie.yaml b/input/grid5000/sites/rennes/clusters/parapluie/parapluie.yaml
index c74b02ebebf88bf4dcca49353c406532c7293989..ceecd360afa96f0b5174d86e15d65b0f55714532 100644
--- a/input/grid5000/sites/rennes/clusters/parapluie/parapluie.yaml
+++ b/input/grid5000/sites/rennes/clusters/parapluie/parapluie.yaml
@@ -10,6 +10,8 @@ nodes:
   parapluie-[1-40]:
     processor:
       microarchitecture: K10
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 4932000000
       node_flops: 121200000000
diff --git a/input/grid5000/sites/rennes/clusters/parasilo/parasilo.yaml b/input/grid5000/sites/rennes/clusters/parasilo/parasilo.yaml
index 67eed5bc50ec2ee947757b6b7a3fbdda5a6f4b7c..030645085763a585fcf0afe5106a4d33fbedf634 100644
--- a/input/grid5000/sites/rennes/clusters/parasilo/parasilo.yaml
+++ b/input/grid5000/sites/rennes/clusters/parasilo/parasilo.yaml
@@ -10,6 +10,8 @@ nodes:
   parasilo-[1-28]:
     processor:
       microarchitecture: Haswell
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 18720000000
       node_flops: 252800000000
diff --git a/input/grid5000/sites/rennes/clusters/paravance/paravance.yaml b/input/grid5000/sites/rennes/clusters/paravance/paravance.yaml
index 328827f3045322d9614daf377e15175cb5577fd4..25f25511cfd297b965346e81d18c0ae339e0febe 100644
--- a/input/grid5000/sites/rennes/clusters/paravance/paravance.yaml
+++ b/input/grid5000/sites/rennes/clusters/paravance/paravance.yaml
@@ -10,6 +10,8 @@ nodes:
   paravance-[1-72]:
     processor:
       microarchitecture: Haswell
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 14600000000
       node_flops: 245300000000
diff --git a/input/grid5000/sites/sophia/clusters/suno/suno.yaml b/input/grid5000/sites/sophia/clusters/suno/suno.yaml
index 87b01f9bc6313dce8f3fcf79a6a9c11a04c473ad..7e39caab9c0ea20155153c6038ea7e93a5f9200d 100644
--- a/input/grid5000/sites/sophia/clusters/suno/suno.yaml
+++ b/input/grid5000/sites/sophia/clusters/suno/suno.yaml
@@ -10,6 +10,8 @@ nodes:
   suno-[1-45]:
     processor:
       microarchitecture: Nehalem
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 7140000000
       node_flops: 55460000000
diff --git a/input/grid5000/sites/sophia/clusters/uvb/uvb.yaml b/input/grid5000/sites/sophia/clusters/uvb/uvb.yaml
index 3ee11c3eb0cd3058292d164864bf3c328ced7b74..441e2405c6b67af9808fd010fd0b72c200b6d748 100644
--- a/input/grid5000/sites/sophia/clusters/uvb/uvb.yaml
+++ b/input/grid5000/sites/sophia/clusters/uvb/uvb.yaml
@@ -10,6 +10,8 @@ nodes:
   uvb-[1-44]:
     processor:
       microarchitecture: Westmere
+    software:
+      standard-environment: debian10-x64-std
     performance:
       core_flops: 9526000000
       node_flops: 103600000000
diff --git a/lib/refrepo/valid/input/schemas/schema-node.yaml b/lib/refrepo/valid/input/schemas/schema-node.yaml
index e8c49d1cdeea368cdee5a57d330e31344858f2d6..5eb3f166590dbe645bb0ed64d5bd88627d127a66 100644
--- a/lib/refrepo/valid/input/schemas/schema-node.yaml
+++ b/lib/refrepo/valid/input/schemas/schema-node.yaml
@@ -93,6 +93,8 @@ processor:
   ht_capable: boolean
   microarchitecture: string
 sensors: optional_hash
+software:
+  standard-environment: string
 status: optional_string
 storage_devices:
   <multi>: