diff --git a/etc/host_vars/localhost.example b/host_vars/localhost.example
similarity index 89%
rename from etc/host_vars/localhost.example
rename to host_vars/localhost.example
index acf40e6..8069dc0 100644
--- a/etc/host_vars/localhost.example
+++ b/host_vars/localhost.example
@@ -1,9 +1,11 @@
---- 
+---
 admin_ssh_keys: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDZXK3ufonx+zNQ1x6cSWuUWckB/xf9sKZ+mRgY5SPXzqrxSkqNSmr9JQ6xzvhxKEVcFWsi50op1WWtRo3HG3p3+EHKXeCyzt5QnczDlVOoQbB8kgI0byKcvXux1inL4/Q4DbVLUbDFnynD/C5aAyYMYePahMxR+AQr60DD+7Ty6pcEVih1wwHIlxWziY1EF6sEzQwz/PiTxWIZkKHl/WPGagS9Pp/5nQfdZy0AS/JqbzNyMEg51+XedADuqseV4GXDzrzDYLJXJFv1PFVJxRWLrjChKrUMqyszUySkZMr5YSPXlsV0bi+0xivYEsXvIkLORV96JTZosYbV+0aFKDPv root@debian
 default_packages_debian: htop
 description: machine test
-ntp_server1: 0.pool.ntp.org
-ntp_server2: 1.pool.ntp.org
+ntp_servers:
+  - 0.pool.ntp.org
+  - 1.pool.ntp.org
+  - 2.pool.ntp.org
 disable_ipv6: true
 domain: test.net
 mariadb_version: 10.0
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 b0b903a..776eb24 100644
--- a/roles/common/tasks/main.yml
+++ b/roles/common/tasks/main.yml
@@ -8,45 +8,39 @@
   tags: bootstrap
   raw: python -c "import apt" || DEBIAN_FRONTEND=noninteractive apt-get --force-yes -y install python-apt
   when: ansible_distribution == 'Debian'
-  
-# Check mandatory variables
 
-- name: Check vars 
+# Check mandatory variables
+- name: Check vars
   fail: msg="Missing variable admin_ssh_keys"
   when: admin_ssh_keys is not defined
 
-- name: Check vars 
+- name: Check vars
   fail: msg="Missing variable default_packages_debian"
   when: default_packages_debian is not defined
 
-- name: Check vars 
+- name: Check vars
   fail: msg="Missing variable description"
   when: description is not defined
 
-- name: Check vars 
-  fail: msg="Missing variable ntp_server1"
-  when: ntp_server1 is not defined
-
-- name: Check vars 
-  fail: msg="Missing variable ntp_server2"
-  when: ntp_server2 is not defined
+- name: Check vars
+  fail: msg="Missing variable ntp_servers"
+  when: ntp_servers is not defined
 
-- name: Check vars 
+- name: Check vars
   fail: msg="Missing variable disable_ipv6"
   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
@@ -57,21 +51,18 @@
 
 # Basic Shell & vim configuration
 
-- name: Custom .bashrc
-  tags: custom
-  copy: src=root-.bashrc dest=/root/.bashrc
-- name: Custom .vimrc
-  tags: custom
-  copy: src=root-.vimrc dest=/root/.vimrc
-- name: Custom .inputrc
-  tags: custom
-  copy: src=root-.inputrc dest=/root/.inputrc
 - name: Create .vim/colors
   tags: custom
   file: path=/root/.vim/colors state=directory
-- name: Wombat vim colors theme is awesome
+
+- name: Custom .bashrc, .vimrc, .inputrc and Wombat vim colors theme
   tags: custom
-  copy: src=root-.vim-colors-wombat.vim dest=/root/.vim/colors/wombat.vim
+  copy: src={{ item.src }} dest={{ item.dest }}
+  with_items:
+    - { src: 'root-.bashrc', dest: '/root/.bashrc' }
+    - { src: 'root-.vimrc', dest: '/root/.vimrc' }
+    - { src: 'root-.inputrc', dest: '/root/.inputrc' }
+    - { src: 'root-.vim-colors-wombat.vim', dest: '/root/.vim/colors/wombat.vim' }
 
 # Set motd and README.root
 
@@ -79,13 +70,12 @@
   tags: custom
   template: src=etc-motd.j2 dest=/etc/motd
 
-- name: Modify /root/.profile
+- name: Modify /root/.profile, Add basic README.root
   tags: custom
-  copy: src=root-.profile dest=/root/.profile
-  when: initialize == 'True'
-- name: Add  basic README.root
-  tags: custom
-  copy: src=root-README.root dest=/root/README.root
+  copy: src={{ item.src }} dest={{ item.dest }}
+  with_items:
+    - { src: 'root-.profile', dest: '/root/.profile' }
+    - { src: 'root-README.root', dest: '/root/README.root' }
   when: initialize == 'True'
 
 # Env setup
@@ -97,11 +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 c4cc437..3b2aca5 100644
--- a/roles/common/templates/etc-ntp.conf.j2
+++ b/roles/common/templates/etc-ntp.conf.j2
@@ -6,12 +6,11 @@ statistics loopstats peerstats clockstats
 filegen loopstats file loopstats type day enable
 filegen peerstats file peerstats type day enable
 filegen clockstats file clockstats type day enable
-server {{ ntp_server1 }}
-server {{ ntp_server2 }}
+{% for server in ntp_servers %}
+server {{ server }}
+restrict {{ server }} nomodify nopeer
+{% endfor %}
 restrict default ignore
 restrict -6 default ignore
 restrict 127.0.0.1
 restrict ::1
-restrict {{ ntp_server1 }} nomodify nopeer
-restrict {{ ntp_server2 }} nomodify nopeer
-