NTP : Configure NTP Client2020/11/02

	Configure NTP Client.
[1]	Client configuration is mostly the same with Server's one, but NTP Clients does not need to receive time synchronization requests from other hosts, so it does not need to specify the line [allow ***].

[root@node01 ~]#

dnf -y install chrony

[root@node01 ~]#

vi /etc/chrony.conf

# line 3: change to your own NTP server or others in your timezone

pool 2.centos.pool.ntp.org iburst

pool dlp.srv.world iburst

[root@node01 ~]#

systemctl enable --now chronyd

# verify status

[root@node01 ~]#

chronyc sources

MS Name/IP address         Stratum Poll Reach LastRx Last sample
===============================================================================
^* dlp.srv.world                 2   6     7     0    +19ns[+1188us] +/-   10ms

[2]	To Install NTPStat, it's possible to display time synchronization status.

[root@node01 ~]#

dnf -y install ntpstat

[root@node01 ~]#

ntpstat

synchronised to NTP server (10.0.0.30) at stratum 3
   time correct to within 12 ms
   polling server every 64 s

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