diff --git a/host_vars/helloworld.adm.crans.org.yml b/host_vars/helloworld.adm.crans.org.yml
new file mode 100644
index 00000000..92076e1a
--- /dev/null
+++ b/host_vars/helloworld.adm.crans.org.yml
@@ -0,0 +1,4 @@
+---
+interfaces:
+  adm: ens18
+  srv_nat: ens19
diff --git a/hosts b/hosts
index ca905ac9..c16b2cfa 100644
--- a/hosts
+++ b/hosts
@@ -144,6 +144,7 @@ galene
 jitsi
 mailman
 mirror_frontend
+printer
 re2o_front
 reverseproxy
 roundcube
@@ -180,6 +181,9 @@ routeur-sam.adm.crans.org
 routeur-daniel.adm.crans.org
 routeur-jack.adm.crans.org
 
+[printer]
+helloworld.adm.crans.org
+
 [prometheus]
 monitoring.adm.crans.org
 fyre.cachan-adm.crans.org