Configure NTP Server2014/12/10 |
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Configure NTP server for time adjustment. NTP uses 123/UDP.
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| [1] | NTP is installed if you installed Fedora Server with minimum-install, so it's not necessarry to install new packages. But if it's not installed, do like follows. |
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[root@dlp ~]# yum -y install ntp
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| [2] | Configure NTP. |
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[root@dlp ~]#
vi /etc/ntp.conf # line 18: add the network range you allow to receive requests restrict 10.0.0.0 mask 255.255.255.0 nomodify notrap # change servers for synchronization (replace to your timezone's one) # server 0.fedora.pool.ntp.org iburst# server 1.fedora.pool.ntp.org iburst# server 2.fedora.pool.ntp.org iburst# server 3.fedora.pool.ntp.org iburst
server ntp1.jst.mfeed.ad.jp
server ntp2.jst.mfeed.ad.jp server ntp3.jst.mfeed.ad.jp systemctl start ntpd [root@dlp ~]# systemctl enable ntpd
Created symlink from /etc/systemd/system/multi-user.target.wants/ntpd.service to /usr/lib/systemd/system/ntpd.service.
[root@dlp ~]# ntpq -p
remote refid st t when poll reach delay offset jitter
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*ntp1.jst.mfeed. 172.29.2.50 2 u 53 64 1 68.920 -0.823 0.000
ntp2.jst.mfeed. 172.16.176.60 2 u 53 64 1 70.748 0.005 0.000
ntp3.jst.mfeed. 172.29.3.50 2 u 53 64 1 69.337 -0.114 0.000
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