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Verify NTP is working properly : Quick HOWTO



How to verify your ntp (Network Time Protocol) setup is working properly in Linux or UNIX Server?


# ntpq -c peers


remote              refid                st t when poll reach delay offset disp
==============================================================
*time1.domain.. time-a.nist.gov 1  u 38   64   377   1.16 -13.351 29.63


If you see a star (*) in the name of the time server, your time is being synchronised properly.


The third column, st is the stratum. 




  •        If it is The lower the number, the closer you are to the time source. 
  •        If the Stratum 16 means you are not synchronized.



Command Usage:  ntpq -c peers


To synchronize the time manually,


# ntpdate -u <NTP_SERVER>


Labels: AIX, HP-UX, Linux, NTP, Quick HOWTO

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