we have a few hundred *nix hosts with Check_MK agent. once service that is constantly flagging in warning state is NTP TIME. example like this:
WARN - Stratum: 3, Offset: 0.2413 ms, Time since last sync: 5 m (warn/crit at 5 m/60 m)WARN, Reference ID: 68C208E3 (104.194.8.227)
how do I got about changing the threshold globally to reduce this noise? it doesn’t seem to be helpful, I’d rather it alert at different value.
Under WATO in the sidebar, click Host & Service Parameters
Search for a relevant keywork - in this case, NTP
Click the most relevant rule name, “State of NTP time synchronisation”
Create rule in folder: main directory
Check “Phases without synchronization” and put in suitable numbers (chrony’s default maxpoll period is 17 minutes, for reference, so maybe warn at 20?)
Save and apply changes
Alternatively:
Click the three-line/burger menu icon n the server, click Parameters
Under “check origin and parameters” you’ll find the name of the relevant rule, “State of NTP time synchronisation”. Click it.
as above from step 4
This is the same general workflow for adjusting the parameters for just about anything.
There is no WATO. I have Setup.
Under which there is no “Host & Service Parameters”.
There are Hosts and there are Services (and some other parameters).
The error i have is different also:
Time since last sync: 2 hours 5 minutes (warn/crit at 2 hours 5 minutes/3 hours 0 minutes)WARN
I don’t need to synchronize my home server every hour. 1 time per day is OK. How to change this default?
I think what you’re describing is the Checkmk 2, I was on 1.6 at time of writing that comment.
You should be able to search in Setup for a similar rule (probably exactly the same name actually). I believe my alternative method will also work as described on Checkmk 2.
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