NTP Server : Configure NTPd2018/04/27 |
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Install NTPd and Configure NTP server for time adjustment. NTP uses 123/UDP.
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| [1] | Install and Configure NTPd. |
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root@dlp:~#
apt -y install ntp
root@dlp:~#
vi /etc/ntp.conf # line 21: comment out default settings and add NTP Servers for your timezone #pool 0.ubuntu.pool.ntp.org iburst #pool 1.ubuntu.pool.ntp.org iburst #pool 2.ubuntu.pool.ntp.org iburst #pool 3.ubuntu.pool.ntp.org iburst # Use Ubuntu's ntp server as a fallback. #pool ntp.ubuntu.com server ntp.nict.jp iburst server ntp1.jst.mfeed.ad.jp iburst server ntp2.jst.mfeed.ad.jp iburst # line 53: add network range you allow to receive time syncing requests from clients restrict 10.0.0.0 mask 255.255.255.0 nomodify notrap
root@dlp:~#
systemctl restart ntp
# show status root@dlp:~# ntpq -p
remote refid st t when poll reach delay offset jitter
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ntp-a3.nict.go. .NICT. 1 u 1 64 1 29.497 12.191 0.000
ntp1.jst.mfeed. 133.243.236.17 2 u 2 64 1 19.361 13.572 0.000
ntp2.jst.mfeed. 133.243.236.17 2 u 2 64 1 19.172 13.462 0.201
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