BenV's notes

Another day, another plugin (aka package) for Check MK.
This time it’s a check for Daemontools, the daemon that keeps other daemons up and running.
Personally I use it for a lot of services on my servers, like Apache and Tinydns. However, sometimes a service is flapping in Daemontools
because of a configuration error or something similar and you fail to notice for hours because the service seems to be ‘up’ (but only for a few seconds before it restarts again).

This check makes sure all services that are supposed to be up (“normally up”) are up, and also it checks for how long they’ve been up.
If the uptime is only a few seconds it’ll issue a warning because it might be flapping.

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