Changing permissions for ntp
Is it possible to run sntp as daemon?
How can I stop NTP from updating my system clock?
When getting the time from an NTP server, what should an end user set in the refid and stratum field?
Ntp giving log message can't open key file /etc/ntp.keys: Permission denied inspite of the permission being -rwxrwxrwx
Does ntpdate have a panic threshold?
Understanding what ntpd does when the reference time changes in Ubuntu server 14.04
Is there a way to ensure ntp synced clock never moves backwards?
Wrong leap second December 2015
ntpdate - no server suitable for synchronization found
ntp questions: slewing versus jumping the time
ntp reference clock driver don't work properly
NTP not syncing immediately on windows
Does NTP server ping time influence the resulting retrieved time
What is the error between NTP stratums?
NTPClient not working even after Redpitaya OS Rebuild