diff --git a/5_inventaire/foo.yml b/5_inventaire/foo.yml
deleted file mode 100644
index 5357805..0000000
--- a/5_inventaire/foo.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-- name: foo
-  become: false
-  hosts: machines
-  tasks:
-  - name: bar
-    debug:
-      msg: "hello world: {{ var_machine }}"
\ No newline at end of file
diff --git a/5_inventaire/group_vars/cibles.yml b/5_inventaire/group_vars/cibles.yml
new file mode 100644
index 0000000..fc66475
--- /dev/null
+++ b/5_inventaire/group_vars/cibles.yml
@@ -0,0 +1 @@
+myvar: "variable de groupe"
\ No newline at end of file
diff --git a/5_inventaire/host_vars/amue-sib-centos-01.formation.actilis.fr.yml b/5_inventaire/host_vars/amue-sib-centos-01.formation.actilis.fr.yml
new file mode 100644
index 0000000..377de68
--- /dev/null
+++ b/5_inventaire/host_vars/amue-sib-centos-01.formation.actilis.fr.yml
@@ -0,0 +1 @@
+myvar: "valeur specifique à amue-sib-centos-01.formation.actilis.fr"
\ No newline at end of file
diff --git a/5_inventaire/inventaire b/5_inventaire/inventaire
index 3e3df23..5ff1a7d 100644
--- a/5_inventaire/inventaire
+++ b/5_inventaire/inventaire
@@ -1,2 +1,12 @@
-[machines]
-m[1:10]
\ No newline at end of file
+# /etc/ansible/hosts
+[debian]
+amue-sib-debian-01.formation.actilis.fr
+
+
+[centos]
+amue-sib-centos-01.formation.actilis.fr
+
+
+[cibles:children]
+debian
+centos
\ No newline at end of file