I am having some problem with a local NTP server time synchronization. The clock drifts out of synchronization again and again.

I initially tried stopping the ntpd daemon. Then ran ntpdate to synchronize the time. and then started the ntpd daemon again. That resets the clock and the time is fine again but it simply drifts out of sync again.

Can someone help me identify the problem?

Here is the output of ntpq -pn.

ntpq -pn

  • Whats the output of ntpq -pn?
    – heemayl
    Nov 9, 2016 at 7:31
  • Updated question with output of ntpq -pn
    – Alchemist
    Nov 9, 2016 at 7:46
  • What hardware (CPU, motherboard) is the server running on? What VM technology, if applicable? What kernel (exact version)? Nov 9, 2016 at 23:29
  • it seems to me that your system doesn't have an external time source
    – Jeff Schaller
    Nov 10, 2016 at 2:05
  • Replace RTC battery?
    – waltinator
    Nov 11, 2016 at 14:46


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