openstack/openstack-manuals
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openstack-manuals/doc/install-guide/source/environment-ntp-other.rst
Stephen Finucane 2250b193e4 Remove '.. end' comments 
These were used by now-dead tooling. We can remove them.

Change-Id: I4b4ef694206249da8b98589b3026f2a2be501ee3
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>
2018-09-25 16:02:19 +01:00

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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.

    For Ubuntu:

    # apt install chrony

    For RHEL or CentOS:

    # yum install chrony

    For SUSE:

    # zypper install chrony

  2. Configure the chrony.conf file and comment out or remove all but one server key. Change it to reference the controller node.

    For RHEL, CentOS, or SUSE, edit the /etc/chrony.conf file:

    server controller iburst

    For Ubuntu, edit the /etc/chrony/chrony.conf file:

    server controller iburst

  3. Comment out the pool 2.debian.pool.ntp.org offline iburst line.

  4. Restart the NTP service.

    For Ubuntu:

    # service chrony restart

    For RHEL, CentOS, or SUSE:

    # systemctl enable chronyd.service
# systemctl start chronyd.service