openstack/openstack-manuals
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openstack-manuals/doc/install-guide/source/environment-ntp-other.rst
Petr Kovar 7c7791c66d [install] General edits for install guide 
* Update links to point to pike content
* Improve titles and ToC
* Remove Debian
* Fix formatting
* Update repo url for Pike
* Edit openstack-services

Change-Id: I258d6ce980b0b3408d88b40e487f3079c2b55cdb
2017-08-29 15:57:24 +00:00

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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. Edit the /etc/chrony/chrony.conf file and comment out or remove all but one server key. Change it to reference the controller node:

    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