I don't have a lab machine to crack open wmic and see what it does or does not support, though this definitely seems like it would be a wmic limitation. impacket definitely supports this , and I'd started on a Python based WMI checks plugin a while ago but never finished it: https://github.com/mcapr...

This would be a great thing to include in a GitHub issue or pull request:
https://github.com/NagiosEnterprises/nagioscore

Have you followed these instructions? https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/extcommands.html In order to have Nagios process external commands, make sure you do the following: ⋅ Enable external command checking with the check_external_commands option. ⋅&n...

A given Nagios plugin can have its own timeout logic that happens independent of the Nagios Core monitoring engine. That plugin's timeout logic may be triggering before Nagios Core's timeout logic, and the plugin may hard-code the status to CRITICAL instead of UNKNOWN. I can't say for sure if this i...

From the documentation you linked: Refer to https://checkmk.com/cms_livestatus.html on how to install livestatus onto your monitoring box. The Lab Consol Repository has livestatus rpm packages. For debian based Linux systems just use the provided packages of your distribution. Sounds like you'll nee...

What there something in the documentation that was unclear? http://docs.nagvis.org/1.9/en_US/index.html I don't see anything in the install instructions that is Centreon specific: http://docs.nagvis.org/1.9/en_US/installer.html http://docs.nagvis.org/1.9/en_US/installation_instructions.html Paths to...

I want to know, Do this script check the text within the source code itself? That is exactly how it works. By parsing the raw HTML returned by the HTTP request. Sometimes what happened is, a URL has one or more links available or some variable within the source code from which it gets the data also...

In the case of CVE-2021-37344 specifically, the "Nagios XI Switch Wizard" is not included with Nagios Core and there would be no cause for concern unless you, for whatever reason, decided to include that component in a Nagios Core installation yourself. It would be quite non-standard to do...

If there's a SNMP OID that measures the thing you're interested in, you can check it with check_snmp:
https://nagios-plugins.org/doc/man/check_snmp.html

I think to get any sort of charts in Nagios Core, you'd need to install something like PNP4Nagios:
http://docs.pnp4nagios.org/start

Or Nagflux:
https://github.com/Griesbacher/nagflux