Help required to configure NTP on linux machine

bilalanwer_24h · 01-09-2010, 02:48 PM

Hello,

I am trying to configure NTP on linux box as I have configured two IPs of ntp server in /etc/ntp.conf to sync linux box with these NTP servers.

server 10.13.1.111
server 10.13.1.112

After configuration, I simply restart the ntpd daemon. Should I need to configure anything else in ntp.conf file.Please let me know how can i define one ntp server as primary & other secondary & also let me know how can I verify if linux box is properly synchronized with NTP server configured in NTP configuration file.

Quick response will be highly appreciated.

acid_kewpie · 01-09-2010, 03:41 PM

don't use two servers, use *at least* three, preferably 57. If you only have 2 and they are different, how do you know which is right? There is no primary / secondary concept in NTP, the right time is the right time. use "ntpq -pn" to see if you're syncrhonized or not.

pixellany · 01-09-2010, 04:04 PM

I am using openntpd on Arch. There is no "ntpq" command.

Any clues?

colucix · 01-09-2010, 04:36 PM

Quote:

Originally Posted by pixellany

I am using openntpd on Arch. There is no "ntpq" command.

Any clues?

A little explanation is given here:

Quote:

With the classic daemon written by Mills, there were programs, such as ntpq and ntptrace, that could be used to monitor ntp "health". These tools do not work with OpenNTPD. Older ntptrace programs work but newer versions are just a wrapper around ntpq and don't work.

Since you have no tools, you'll want to keep a copy of ntpdate handy that is useful for troubleshoot NTP problems.

pixellany · 01-10-2010, 07:54 AM

Thank you!!