Nagios Support Forum

Try exchange.nagios.org
You can make the command and plugin take arguments but that could cause a lot of services.

RHEL 10 has mysql 8.4 so you can expect it's fine with Nagios.

Yes

It looks like this is the first error:
Base class package "Class::Accessor::Fast" is empty.

The following should in theory install it:
sudo dnf install perl-class-accessor

If that installs, you may need other modules as well if the install fails again. Install them in the same way.

The OP might try investigating the difference between the old hosts and the new ones created from the unconfigured objects.

Its probably best to not use unix reserved characters.

Have a look here: https://exchange.nagios.org/directory/p ... tions/sms/

Dumb question but did you apply the changes in ccm?

Try the notifications page and /var/log/

What do the snmptt logs say?
What's in unconfigured objects?
Have you created the switch host?
Have you created an "SNMP Traps" service and added the host to it?
I searched for a doc: https://assets.nagios.com/downloads/nag ... ios_XI.pdf