1. I need Nagios to kick off a local script on Nagios server, when a Warning or Critical was received, and pass some variables to this script. This is for telegram notifications. How do i go by doing this? Nagios has a concept of event handlers. And event handler could be something like firing off ...

You could start with increasing the max connections allowed to the MySQL database:
https://support.nagios.com/kb/article/n ... s-513.html

It's possible the DB maint job just isn't able to grab a connection to do its work.

Did you follow the steps detailed in the official documentation for setting up the WMI service user? https://assets.nagios.com/downloads/nagiosxi/docs/Monitoring-Windows-Using-WMI-and-Nagios-XI.pdf Are you using a domain user? Are you providing a DNS record when connecting to the host, or using an I...

It looks like all you have for configured repositories are the local installation media, EPEL, and a custom repomd.xml file that the system is unable to read from some custom mount. Is it possible that this system is trying to reference some internal repositories for your organization that were not ...

The issue I am trying to solve is notifications get silenced due to work, or an outage but then they are simply forgotten and left disabled It's better to put the particular problem into a downtime state if you want to temporarily silence notifications, IMO. downtime.PNG Say after 48 hours re-enabl...

At a high level, what I think you want to do is have a custom notification handler -- one that both handles your emailing needs, and one that could dump the notifications to some other service. In this case your service is Splunk, but it could be a generic logfile to be consumed by a Splunk forwarde...

Can you share the full outputs of the commands, executed from the CLI of your Nagios Core machine? Preferably, with the -v / --verbose flags provided with check_snmp . If you're using the standard file system paths for the nagios-plugins suite, and the default command definition supplied for check_s...

The \ characters in the service status could be tripping some things up. Do the notifications you're experiencing problems with all related to Windows disk checks? Depending on the underlying notification command you have defined, this un-escaped character could be causing issues when the command fu...

Would authentication be possible using the indicated Apache mod? Maybe? I don't know your SAML provider :) if yes, how? We don't know how perform the configuration for use this Apache mod. Likely by marrying-up the GitHub instructions for configuration to the Apache configs generated for Nagios Cor...

check_wmi_plus has a concept of custom modules that can churn generic WMI queries into Nagios parse-able results. There's some sparse documentation on this:
https://edcint.co.nz/checkwmiplus/ini-f ... mentation/