Configure NTP Server
2015/05/01 |
Configure NTP server for time adjustment. NTP uses 123/UDP. |
root@dlp:~#
aptitude -y install ntp
root@dlp:~#
vi /etc/ntp.conf # line 21: comment out # server 0.debian.pool.ntp.org iburst# server 1.debian.pool.ntp.org iburst# server 2.debian.pool.ntp.org iburst# server 3.debian.pool.ntp.org iburst# change servers for synchronization
server ntp1.jst.mfeed.ad.jp
server ntp2.jst.mfeed.ad.jp server ntp3.jst.mfeed.ad.jp # line 48: add the network range you allow to receive requests restrict 10.0.0.0 mask 255.255.255.0 nomodify notrap # show status root@dlp:~# ntpq -p remote refid st t when poll reach delay offset jitter ============================================================================== ntp1.jst.mfeed. 172.29.1.50 2 u 2 64 1 20.084 -21.584 0.000 ntp2.jst.mfeed. 172.29.3.50 2 u 1 64 1 20.614 -22.352 0.000 ntp3.jst.mfeed. 172.29.3.100 2 u - 64 1 22.385 -22.162 0.000 |