openstack-manuals/doc/install-guide/source/environment-ntp-other.rst
Andreas Jaeger 71008095c4 [Install Guide] Update SUSE versions
Update for openSUSE Leap 42.1 and SLES 12 SP1. Adjust OpenStack link to
use new Mitaka repositories.
Remove extra version information.
Update gpg key.

Also, update title for draft-index.

Change-Id: I68e67c269f4c7bfb584d75b3884ebe3cd20eb071
2016-03-01 13:59:29 +01:00

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.. _environment-ntp-other:
Other nodes
~~~~~~~~~~~
Other nodes reference the controller node for clock synchronization.
Perform these steps on all other nodes.
Install and configure components
--------------------------------
1. Install the packages:
.. only:: ubuntu or debian
.. code-block:: console
# apt-get install chrony
.. only:: rdo
.. code-block:: console
# yum install chrony
.. only:: obs
On openSUSE:
.. code-block:: console
# zypper addrepo -f obs://network:time/openSUSE_Leap_42.1 network_time
# zypper refresh
# zypper install chrony
On SLES:
.. code-block:: console
# zypper addrepo -f obs://network:time/SLE_12_SP1 network_time
# zypper refresh
# zypper install chrony
.. note::
The packages are signed by GPG key ``17280DDF``. You should
verify the fingerprint of the imported GPG key before using it.
.. code-block:: console
Key Name: network OBS Project <network@build.opensuse.org>
Key Fingerprint: 0080689B E757A876 CB7DC269 62EB1A09 17280DDF
Key Created: Tue 24 Sep 2013 04:04:12 PM UTC
Key Expires: Thu 03 Dec 2015 04:04:12 PM UTC
.. only:: ubuntu or debian
2. Edit the ``/etc/chrony/chrony.conf`` file and comment out or remove all
but one ``server`` key. Change it to reference the controller node:
.. code-block:: ini
server controller iburst
3. Restart the NTP service:
.. code-block:: console
# service chrony restart
.. only:: rdo or obs
2. Edit the ``/etc/chrony.conf`` file and comment out or remove all but one
``server`` key. Change it to reference the controller node:
.. code-block:: ini
server controller iburst
3. Start the NTP service and configure it to start when the system boots:
.. code-block:: console
# systemctl enable chronyd.service
# systemctl start chronyd.service