openstack/openstack-manuals
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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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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:

    ubuntu or debian

    # apt-get install chrony

    rdo

    # yum install chrony

    obs

    On openSUSE:

    # zypper addrepo -f obs://network:time/openSUSE_Leap_42.1 network_time
# zypper refresh
# zypper install chrony

    On SLES:

    # 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.

    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

ubuntu or debian

  1. 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

  2. Restart the NTP service:

    # service chrony restart

rdo or obs

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

    server controller iburst

  2. Start the NTP service and configure it to start when the system boots:

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