Here's the official documentation for installing the nagios-plugins suite from source:
https://support.nagios.com/kb/article/n ... e-569.html

vinmansbrew wrote:That's good info, mcapra. As I never set up the nagios on this server, I have no idea how it was initially done. Is there a way to tell?

You could query the package manager. If there are no nagios flavored packages present, it was all probably compiled from scratch.

Which version of check_load are you using? Here's the man page for the check_load plugin: http://nagios-plugins.org/doc/man/check_load.html -w, --warning=WLOAD1,WLOAD5,WLOAD15 Exit with WARNING status if load average exceeds WLOADn -c, --critical=CLOAD1,CLOAD5,CLOAD15 Exit with CRITICAL status if lo...

Which plugin are you using for this? Could you provide a URL to where you downloaded it from? Are you using the official check_snmp plugin?

There's a couple different plugins that could be handling SNMP interface checks. Some of them support include/exclude lists, some of them don't.

Plugin compatibility issues are pretty common to encounter with major OS upgrades. If you have any plugins that weren't installed via repositories configured in the OS's package manager, assume they're going to break when you do a major OS upgrade. If you're using the official nagios-plugins suite, ...

Did you install Nagios Core from source , or via a package manager? That may impact what your "default configurations" are. If you installed from source, these are the default ping-related checks: https://github.com/NagiosEnterprises/nagioscore/blob/88c1425c1497e807a94a0c87eaf4954ff4d1e134...

Are you restarting the Nagios Core daemon every time you apply configuration changes? To answer this directly, and say "change this thing", I would need to see your entire set of Nagios object definitions . Service objects can be associated with specific host objects in one of two ways (th...

Is hosts.cfg a collection of Nagios host objects?

Whenever Nagios object definitions are changed, you need to restart the Nagios Core daemon for those changes to be applied.

jq is pretty dope IMO. Widely available on many linux distros via the package manager. Easy to stuff in a Bash script. Feed your cURL output into it, do a simple -eq evaluation afterwards.

What versions of Grafana and Nagios Core are you using? With Nagios XI, through the REST API, you could configure a generic webhook in Grafana to feed information into an event handler . Not sure there's anything equivalent in Nagios Core unless you've got NRDP set up. To get the full content of eve...