diff --git a/data/grid5000/environments/lenny-x64-base-2.3.json b/data/grid5000/environments/lenny-x64-base-2.3.json
new file mode 100644
index 0000000000000000000000000000000000000000..490ca23772c1c65e7d2fa2f1e2cddcca64b83102
--- /dev/null
+++ b/data/grid5000/environments/lenny-x64-base-2.3.json
@@ -0,0 +1,44 @@
+{
+  "type": "environment",
+  "file": {
+    "path": "/grid5000/images/lenny-x64-base-2.3.tgz",
+    "md5": "ae5a1ab50f5654c47ddfb2d5ee2ed978"
+  },
+  "accounts": [
+    {
+      "login": "root",
+      "password": "grid5000"
+    },
+    {
+      "login": "g5k",
+      "password": "grid5000"
+    }
+  ],
+  "valid_on": "griffon , grelon , sagittaire , capricorne , netgdx , gdx , bordeplage , bordereau , parapide , paramount , paraquad , paradent , azur , helios , sol , suno , edel , genepi , adonis , chuque , chinqchint , chicon , chti",
+  "uid": "lenny-x64-base-2.3",
+  "services": [
+
+  ],
+  "kernel": "2.6.26.2",
+  "state": "stable",
+  "applications": [
+    "Vim",
+    "XEmacs",
+    "JED",
+    "nano",
+    "JOE",
+    "Perl",
+    "Python",
+    "Ruby"
+  ],
+  "based_on": "Debian version lenny for amd64",
+  "x11_forwarding": true,
+  "consoles": [
+    {
+      "bps": 34800,
+      "port": "ttyS0"
+    }
+  ],
+  "max_open_files": 8192,
+  "tcp_bandwidth": 1000000000
+}
\ No newline at end of file