diff --git a/all.yml b/all.yml
index 87ea36586207a30700c241eab101c35761e7e9ac..83d22b72b0a66cb889b81bd7c1a3e9f4c801c430 100755
--- a/all.yml
+++ b/all.yml
@@ -8,7 +8,7 @@
 
 - import_playbook: plays/mail.yml
 - import_playbook: plays/nfs.yml
-- import_playbook: plays/logs.yml
+#- import_playbook: plays/logs.yml
 - import_playbook: plays/backup.yml
 - import_playbook: plays/network-interfaces.yml
 - import_playbook: plays/monitoring.yml
@@ -29,6 +29,7 @@
 - import_playbook: plays/mirror.yml
 - import_playbook: plays/moinmoin.yml
 - import_playbook: plays/nginx_rtmp.yml
+- import_playbook: plays/ntp.yml
 - import_playbook: plays/owncloud.yml
 - import_playbook: plays/postgresql.yml
 - import_playbook: plays/re2o.yml
diff --git a/hosts b/hosts
index 64d78e9bc2a1131379fd712f219fbbc62d3b9c64..09ffad9e20b63832ceacc1ac163717e610200fd3 100644
--- a/hosts
+++ b/hosts
@@ -145,4 +145,4 @@ ovh
 
 [all:vars]
 # Force remote to use Python 3
-ansible_python_interpreter=/usr/bin/python3
+ansible_python_interpreter=/usr/bin/env python3
diff --git a/plays/backup.yml b/plays/backup.yml
index eaf09d01c289def975eb3ad4b451e36a5d013bce..b39bb870f26ec7e9f2d2084cc9c5c9f9048b32e9 100755
--- a/plays/backup.yml
+++ b/plays/backup.yml
@@ -6,12 +6,12 @@
 - import_playbook: get_adm_iface.yml
 
 # Rsync client on all server to allow backup
-- hosts: server
-  vars:
-    # Backup password
-    backuppc_rsyncd_passwd: "{{ vault_backuppc_rsyncd_passwd }}"
-  roles: ["rsync-client"]
+#- hosts: server
+#  vars:
+#    # Backup password
+#    backuppc_rsyncd_passwd: "{{ vault_backuppc_rsyncd_passwd }}"
+#  roles: ["rsync-client"]
 
 # Backuppc backup software
-- hosts: zephir.adm.crans.org,omnomnom.adm.crans.org
-  roles: ["backuppc"]
+#- hosts: zephir.adm.crans.org,omnomnom.adm.crans.org
+# roles: ["backuppc"]
diff --git a/roles/common-tools/tasks/main.yml b/roles/common-tools/tasks/main.yml
index 3b9c40ce1aeb34a1eb064bcb86c131f02c40a26c..e29dee4cbe3599d2420508af5e9a1110703e85d3 100644
--- a/roles/common-tools/tasks/main.yml
+++ b/roles/common-tools/tasks/main.yml
@@ -8,7 +8,6 @@
       - sudo
       - molly-guard  # prevent reboot
       - debsums
-      - ntp  # network time sync
       - apt  # better than apt-get
       - nano  # for vulcain
       - vim  # better than nano
diff --git a/roles/moinmoin-gendoc/library/dmidecode.py b/roles/moinmoin-gendoc/library/dmidecode.py
index 2ffc403ae82f8ed5a4367b8f84610c04fd08c176..6e01acc36f5a78424bdb93a610dc48bf86913054 100644
--- a/roles/moinmoin-gendoc/library/dmidecode.py
+++ b/roles/moinmoin-gendoc/library/dmidecode.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 # Written By - Rishabh Das <rishabh5290@gmail.com>
 # Modified By - Alexandre Iooss <erdnaxe@crans.org>
diff --git a/roles/moinmoin-gendoc/library/moinmoin_page.py b/roles/moinmoin-gendoc/library/moinmoin_page.py
index 87b3899b82dcec609d3d7bf25590f221b05a4d44..b6f6ee91a23af165afd08f7ac01099d4f59c3563 100644
--- a/roles/moinmoin-gendoc/library/moinmoin_page.py
+++ b/roles/moinmoin-gendoc/library/moinmoin_page.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 
 # Copyright: (c) 2019, Alexandre Iooss <erdnaxe@crans.org>
 # GNU General Public License v3.0+