Check hardware clock
[root@sftp testadmin]# hwclock --verbose
hwclock from util-linux 2.32.1
System Time: 1608158426.341727
Trying to open: /dev/rtc0
Using the rtc interface to the clock.
Last drift adjustment done at 0 seconds after 1969
Last calibration done at 0 seconds after 1969
Hardware clock is on UTC time
Assuming hardware clock is kept in UTC time.
Waiting for clock tick...
...got clock tick
Time read from Hardware Clock: 2018/12/16 22:40:26
Hw clock time : 2018/12/16 22:40:26 = 1608158426 seconds since 1969
Time since last adjustment is 1608158426 seconds
Calculated Hardware Clock drift is 0.000000 seconds
2018-12-16 14:40:24.944162-08:00
Configure NTP Client:
sudo vim /etc/chrony.conf
systemctl restart chronyd
Check NTP for synchronization status:
[root@sftp testadmin]# timedatectl
Local time: Wed 2018-12-16 14:39:43 PST
Universal time: Wed 2018-12-16 22:39:43 UTC
RTC time: Wed 2018-12-16 22:39:43
Time zone: America/Los_Angeles (PST, -0800)
System clock synchronized: yes
NTP service: active
RTC in local TZ: no
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