NTP Operational Commands
Verifying NTP Service on Linux
To get more information about NTP’s status, use the ntpq command:
The command displays the NTP servers that the system is synchronized with.
supervisor@rtbrick>LEAF01:~ $ sudo ntpq -p
remote refid st t when poll reach delay offset jitter
==============================================================================
198.51.100.5 .XFAC. 16 u - 64 0 0.000 0.000 0.000