diff --git a/etc/host_vars/localhost.example b/host_vars/localhost.example
similarity index 100%
rename from etc/host_vars/localhost.example
rename to host_vars/localhost.example
diff --git a/postint.yml.README b/postint.yml.README
index d1e9437..ccbd8f6 100644
--- a/postint.yml.README
+++ b/postint.yml.README
@@ -28,9 +28,9 @@ Après la description suivent des exemples de ces variables.
  - default_packages_debian : la liste des packages debian a installer par defaut
  - ansible_fqdn : le nom a donner au serveur
  - description : La description du serveur (s'affichera a la connexion)
- - ntp_server1 : le premier serveur NTP a utiliser
- - ntp_server2 : le deuxième serveur ntp a installer
+ - ntp_servers : liste de serveurs NTP à utiliser
  - disable_ipv6 : IPv6 doit il etre desactive ou non
+ - tzdata_timezone: Permet de définir une timezone personnalisée (Europe/Paris est définie par défaut)
 
 ### Exemples de variables ###
 fichier : /etc/ansible/group_vars/all :
@@ -48,9 +48,8 @@ ansible_fqdn: serveur-debian.exemple.com
 
 description: Bienvenue sur ce serveur debian
 
-ntp_server1: 0.fr.pool.ntp.org
-ntp_server2: 1.fr.pool.ntp.org
+ntp_servers:
+  - 0.fr.pool.ntp.org
+  - 1.fr.pool.ntp.org
 
 disable_ipv6: yes
-
-
diff --git a/roles/common/handlers/main.yml b/roles/common/handlers/main.yml
index 30bb051..6cb4216 100644
--- a/roles/common/handlers/main.yml
+++ b/roles/common/handlers/main.yml
@@ -40,5 +40,8 @@
 - name: apt-update
   command: apt-get update
 
-# vim: set textwidth=0 ft=yaml ts=2 sw=2 expandtab:
 
+- name: update timezone
+  command: dpkg-reconfigure --frontend noninteractive tzdata
+
+# vim: set textwidth=0 ft=yaml ts=2 sw=2 expandtab:
diff --git a/roles/common/tasks/main.yml b/roles/common/tasks/main.yml
index 0593770..776eb24 100644
--- a/roles/common/tasks/main.yml
+++ b/roles/common/tasks/main.yml
@@ -10,7 +10,6 @@
   when: ansible_distribution == 'Debian'
 
 # Check mandatory variables
-
 - name: Check vars
   fail: msg="Missing variable admin_ssh_keys"
   when: admin_ssh_keys is not defined
@@ -32,17 +31,16 @@
   when: disable_ipv6 is not defined
 
 # SSH
-
 - name: Deploy SSH keys
   tags: ssh_keys
   authorized_key: user=root key="{{item}}"
-  with_items: "{{admin_ssh_keys}}"
+  with_items: admin_ssh_keys
 
 # Packages
 
 - name: Install default packages Debian.
   apt: pkg={{item}} state=installed
-  with_items: "{{ default_packages_debian }}"
+  with_items: default_packages_debian
   when: ansible_distribution == 'Debian'
 
 # Configure NTP
@@ -89,11 +87,11 @@
   debconf: name=locales question='locales/locales_to_be_generated' value='fr_FR.UTF-8, UTF-8' vtype='multiselect'
   when: ansible_distribution == 'Debian'
 
-- name: Set the timezone
-  tags: environ
-  debconf: name=tzdata question='tzdata/Zones/Etc' value='UTC' vtype='select'
-  debconf: name=tzdata question='tzdata/Areas' value='Europe' vtype='select'
-  debconf: name=tzdata question='tzdata/Zones/Europe' value='Paris' vtype='select'
+- name: Set timezone
+  copy: content='{{ tzdata_timezone | default('Europe/Paris') }}'
+        dest=/etc/timezone owner=root group=root mode=0644
+  notify:
+    - update timezone
   when: ansible_distribution == 'Debian'
 
 - name: Disable IPv6 (need reboot)
diff --git a/roles/common/templates/etc-ntp.conf.j2 b/roles/common/templates/etc-ntp.conf.j2
index 0a7b421..3b2aca5 100644
--- a/roles/common/templates/etc-ntp.conf.j2
+++ b/roles/common/templates/etc-ntp.conf.j2
@@ -9,7 +9,6 @@ filegen clockstats file clockstats type day enable
 {% for server in ntp_servers %}
 server {{ server }}
 restrict {{ server }} nomodify nopeer
-restrict {{ server }} nomodify nopeer
 {% endfor %}
 restrict default ignore
 restrict -6 default ignore