To check if ntpd is running and configured to run at system start, issue the following command:

~]$ systemctl status ntpd

To obtain a brief status report from ntpd, issue the following command:

~]$ ntpstat
unsynchronised
  time server re-starting
   polling server every 64 s

~]$ ntpstat
synchronised to NTP server (10.5.26.10) at stratum 2
   time correct to within 52 ms
   polling server every 1024 s