diff --git a/infra/ bash.md b/infra/ bash.md
index f766386..efda73b 100644
--- a/infra/ bash.md	
+++ b/infra/ bash.md	
@@ -1,6 +1,24 @@
 # Bash
 
-Customize prompt:
+# Customize prompt:
+
+Avant : 
 ```
-PS1={hostname}-{now:%Y-%m-%dT%H:%M:%S.%f}
+root@libre-service:~#
+```
+
+Modifier le nom de la machine :
+```
+hostnamectl set-hostname libre-service.eu
+```
+
+
+Modifier /root/.bahsrc :
+```
+PS1='${debian_chroot:+($debian_chroot)}\u@\H:\w\$ '
+```
+
+Après : 
+```
+root@libre-service.eu:~#
 ```