check time syncronization

[Hari Sekhon]

Goltz, Jim (NIH/NLM/LHC) [C] wrote:
> SR> Is there a plugin that checks the difference in time between the
> checked
> SR> host and - say - a specified ntp server?
>
> We just started doing this here.  We're using "check_ntp -H host -w warn
> -c
> crit", where "host" is the remote host and "warn" and "crit" are
> thresholds
> for time difference between the Nagios host and the remote host, in
> seconds.
>
> check_ntp, check_ntp_peer and check_ntp_time are part of the standard
> plugins.  I don't think any of them allow you to check the difference in
> system time between a remote host and its NTP server, but as long as
> your
> Nagios host is synced correctly it should work.  If every monitored host
> seems to drop sync at the same time you'll know your Nagios host's sync
> has
> been lost.  :-)
>   
Of course you can, just use "check_ntp -H ntpserver -w 30", which warns 
you if the clock time is out by more than 15 seconds.

Run it through an nrpe call on each remote server you want to keep 
monitored.

This is what I do, this way each server is tested against the ntp server 
than it is supposed to sync against.

-h

-- 
Hari Sekhon


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