diff --git a/data/grid5000/sites/bordeaux/environments/lenny-x64-big-2.3.json b/data/grid5000/sites/bordeaux/environments/lenny-x64-big-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..854ea1f82086b27e25bf37b2bac87f8e46527475
--- /dev/null
+++ b/data/grid5000/sites/bordeaux/environments/lenny-x64-big-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-big-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/bordeaux/environments/lenny-x64-min-0.8.json b/data/grid5000/sites/bordeaux/environments/lenny-x64-min-0.8.json
new file mode 120000
index 0000000000000000000000000000000000000000..b62b4a3b9cd5fec298f6db3aca0a6a58bf580c83
--- /dev/null
+++ b/data/grid5000/sites/bordeaux/environments/lenny-x64-min-0.8.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-min-0.8.json
\ No newline at end of file
diff --git a/data/grid5000/sites/bordeaux/environments/lenny-x64-nfs-2.3.json b/data/grid5000/sites/bordeaux/environments/lenny-x64-nfs-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..76ed78e729d3c69e8f63d49fccf129ca1ab8e0ff
--- /dev/null
+++ b/data/grid5000/sites/bordeaux/environments/lenny-x64-nfs-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-nfs-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/bordeaux/environments/lenny-x64-xen-2.3.json b/data/grid5000/sites/bordeaux/environments/lenny-x64-xen-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..49a15174194882afa6d8a9596439bf8dd33b3c0c
--- /dev/null
+++ b/data/grid5000/sites/bordeaux/environments/lenny-x64-xen-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-xen-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/grenoble/environments/lenny-x64-big-2.3.json b/data/grid5000/sites/grenoble/environments/lenny-x64-big-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..854ea1f82086b27e25bf37b2bac87f8e46527475
--- /dev/null
+++ b/data/grid5000/sites/grenoble/environments/lenny-x64-big-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-big-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/grenoble/environments/lenny-x64-min-0.8.json b/data/grid5000/sites/grenoble/environments/lenny-x64-min-0.8.json
new file mode 120000
index 0000000000000000000000000000000000000000..b62b4a3b9cd5fec298f6db3aca0a6a58bf580c83
--- /dev/null
+++ b/data/grid5000/sites/grenoble/environments/lenny-x64-min-0.8.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-min-0.8.json
\ No newline at end of file
diff --git a/data/grid5000/sites/grenoble/environments/lenny-x64-nfs-2.3.json b/data/grid5000/sites/grenoble/environments/lenny-x64-nfs-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..76ed78e729d3c69e8f63d49fccf129ca1ab8e0ff
--- /dev/null
+++ b/data/grid5000/sites/grenoble/environments/lenny-x64-nfs-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-nfs-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/grenoble/environments/lenny-x64-xen-2.3.json b/data/grid5000/sites/grenoble/environments/lenny-x64-xen-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..49a15174194882afa6d8a9596439bf8dd33b3c0c
--- /dev/null
+++ b/data/grid5000/sites/grenoble/environments/lenny-x64-xen-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-xen-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/lyon/environments/lenny-x64-big-2.3.json b/data/grid5000/sites/lyon/environments/lenny-x64-big-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..854ea1f82086b27e25bf37b2bac87f8e46527475
--- /dev/null
+++ b/data/grid5000/sites/lyon/environments/lenny-x64-big-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-big-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/lyon/environments/lenny-x64-min-0.8.json b/data/grid5000/sites/lyon/environments/lenny-x64-min-0.8.json
new file mode 120000
index 0000000000000000000000000000000000000000..b62b4a3b9cd5fec298f6db3aca0a6a58bf580c83
--- /dev/null
+++ b/data/grid5000/sites/lyon/environments/lenny-x64-min-0.8.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-min-0.8.json
\ No newline at end of file
diff --git a/data/grid5000/sites/lyon/environments/lenny-x64-nfs-2.3.json b/data/grid5000/sites/lyon/environments/lenny-x64-nfs-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..76ed78e729d3c69e8f63d49fccf129ca1ab8e0ff
--- /dev/null
+++ b/data/grid5000/sites/lyon/environments/lenny-x64-nfs-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-nfs-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/lyon/environments/lenny-x64-xen-2.3.json b/data/grid5000/sites/lyon/environments/lenny-x64-xen-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..49a15174194882afa6d8a9596439bf8dd33b3c0c
--- /dev/null
+++ b/data/grid5000/sites/lyon/environments/lenny-x64-xen-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-xen-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/nancy/environments/lenny-x64-big-2.3.json b/data/grid5000/sites/nancy/environments/lenny-x64-big-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..854ea1f82086b27e25bf37b2bac87f8e46527475
--- /dev/null
+++ b/data/grid5000/sites/nancy/environments/lenny-x64-big-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-big-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/nancy/environments/lenny-x64-min-0.8.json b/data/grid5000/sites/nancy/environments/lenny-x64-min-0.8.json
new file mode 120000
index 0000000000000000000000000000000000000000..b62b4a3b9cd5fec298f6db3aca0a6a58bf580c83
--- /dev/null
+++ b/data/grid5000/sites/nancy/environments/lenny-x64-min-0.8.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-min-0.8.json
\ No newline at end of file
diff --git a/data/grid5000/sites/nancy/environments/lenny-x64-nfs-2.3.json b/data/grid5000/sites/nancy/environments/lenny-x64-nfs-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..76ed78e729d3c69e8f63d49fccf129ca1ab8e0ff
--- /dev/null
+++ b/data/grid5000/sites/nancy/environments/lenny-x64-nfs-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-nfs-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/nancy/environments/lenny-x64-xen-2.3.json b/data/grid5000/sites/nancy/environments/lenny-x64-xen-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..49a15174194882afa6d8a9596439bf8dd33b3c0c
--- /dev/null
+++ b/data/grid5000/sites/nancy/environments/lenny-x64-xen-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-xen-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/orsay/environments/lenny-x64-big-2.3.json b/data/grid5000/sites/orsay/environments/lenny-x64-big-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..854ea1f82086b27e25bf37b2bac87f8e46527475
--- /dev/null
+++ b/data/grid5000/sites/orsay/environments/lenny-x64-big-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-big-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/orsay/environments/lenny-x64-min-0.8.json b/data/grid5000/sites/orsay/environments/lenny-x64-min-0.8.json
new file mode 120000
index 0000000000000000000000000000000000000000..b62b4a3b9cd5fec298f6db3aca0a6a58bf580c83
--- /dev/null
+++ b/data/grid5000/sites/orsay/environments/lenny-x64-min-0.8.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-min-0.8.json
\ No newline at end of file
diff --git a/data/grid5000/sites/orsay/environments/lenny-x64-nfs-2.3.json b/data/grid5000/sites/orsay/environments/lenny-x64-nfs-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..76ed78e729d3c69e8f63d49fccf129ca1ab8e0ff
--- /dev/null
+++ b/data/grid5000/sites/orsay/environments/lenny-x64-nfs-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-nfs-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/orsay/environments/lenny-x64-xen-2.3.json b/data/grid5000/sites/orsay/environments/lenny-x64-xen-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..49a15174194882afa6d8a9596439bf8dd33b3c0c
--- /dev/null
+++ b/data/grid5000/sites/orsay/environments/lenny-x64-xen-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-xen-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/rennes/environments/lenny-x64-big-2.3.json b/data/grid5000/sites/rennes/environments/lenny-x64-big-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..854ea1f82086b27e25bf37b2bac87f8e46527475
--- /dev/null
+++ b/data/grid5000/sites/rennes/environments/lenny-x64-big-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-big-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/rennes/environments/lenny-x64-min-0.8.json b/data/grid5000/sites/rennes/environments/lenny-x64-min-0.8.json
new file mode 120000
index 0000000000000000000000000000000000000000..b62b4a3b9cd5fec298f6db3aca0a6a58bf580c83
--- /dev/null
+++ b/data/grid5000/sites/rennes/environments/lenny-x64-min-0.8.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-min-0.8.json
\ No newline at end of file
diff --git a/data/grid5000/sites/rennes/environments/lenny-x64-nfs-2.3.json b/data/grid5000/sites/rennes/environments/lenny-x64-nfs-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..76ed78e729d3c69e8f63d49fccf129ca1ab8e0ff
--- /dev/null
+++ b/data/grid5000/sites/rennes/environments/lenny-x64-nfs-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-nfs-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/rennes/environments/lenny-x64-xen-2.3.json b/data/grid5000/sites/rennes/environments/lenny-x64-xen-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..49a15174194882afa6d8a9596439bf8dd33b3c0c
--- /dev/null
+++ b/data/grid5000/sites/rennes/environments/lenny-x64-xen-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-xen-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/sophia/environments/lenny-x64-big-2.3.json b/data/grid5000/sites/sophia/environments/lenny-x64-big-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..854ea1f82086b27e25bf37b2bac87f8e46527475
--- /dev/null
+++ b/data/grid5000/sites/sophia/environments/lenny-x64-big-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-big-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/sophia/environments/lenny-x64-min-0.8.json b/data/grid5000/sites/sophia/environments/lenny-x64-min-0.8.json
new file mode 120000
index 0000000000000000000000000000000000000000..b62b4a3b9cd5fec298f6db3aca0a6a58bf580c83
--- /dev/null
+++ b/data/grid5000/sites/sophia/environments/lenny-x64-min-0.8.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-min-0.8.json
\ No newline at end of file
diff --git a/data/grid5000/sites/sophia/environments/lenny-x64-nfs-2.3.json b/data/grid5000/sites/sophia/environments/lenny-x64-nfs-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..76ed78e729d3c69e8f63d49fccf129ca1ab8e0ff
--- /dev/null
+++ b/data/grid5000/sites/sophia/environments/lenny-x64-nfs-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-nfs-2.3.json
\ No newline at end of file
diff --git a/data/grid5000/sites/sophia/environments/lenny-x64-xen-2.3.json b/data/grid5000/sites/sophia/environments/lenny-x64-xen-2.3.json
new file mode 120000
index 0000000000000000000000000000000000000000..49a15174194882afa6d8a9596439bf8dd33b3c0c
--- /dev/null
+++ b/data/grid5000/sites/sophia/environments/lenny-x64-xen-2.3.json
@@ -0,0 +1 @@
+../../../../grid5000/environments/lenny-x64-xen-2.3.json
\ No newline at end of file