NTP Server : Configure NTP Server (Chrony)2022/04/25 |
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Install Chrony and Configure NTP server for time adjustment. NTP uses 123/UDP.
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| [1] | Install and Configure Chrony. |
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root@dlp:~#
apt -y install chrony
root@dlp:~#
vi /etc/chrony/chrony.conf # line 20 : comment out default settings and add NTP Servers for your timezone #pool ntp.ubuntu.com iburst maxsources 4 #pool 0.ubuntu.pool.ntp.org iburst maxsources 1 #pool 1.ubuntu.pool.ntp.org iburst maxsources 1 #pool 2.ubuntu.pool.ntp.org iburst maxsources 2 pool ntp.nict.jp iburst # add to the end : add network range you allow to receive time syncing requests from clients allow 10.0.0.0/24
root@dlp:~#
systemctl restart chrony
# verify status root@dlp:~# chronyc sources MS Name/IP address Stratum Poll Reach LastRx Last sample =============================================================================== ^* ntp-b2.nict.go.jp 1 6 7 2 +58us[-1059us] +/- 11ms ^- ntp-a3.nict.go.jp 1 6 7 2 -75us[-1192us] +/- 11ms ^- ntp-b3.nict.go.jp 1 6 17 0 -638us[ -638us] +/- 10ms ^- ntp-a2.nict.go.jp 1 6 17 1 +904us[ +904us] +/- 9026us |
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