Nagios Support Forum

Check your proxy settings and whitelist.

I think you'll need to figure out what service is creating the issue and why the arg list is so long. The error is from the shell, suggesting the service command runs a shell script, and isn't really a nagios issue.

The OP may want to say what problem they're trying to solve since it looks like there's more to the story. It might be good to upgrade an install, then create a new one to convert to a later version.

I think newer nrpe installs set nrpe as a service rather than running under xinetd. That said, has the OP thought to read the error messages, check if xinettd is isn installed and maybe setting it up?

You can import valid config files by putting them in the import dir and running the reconfigure script.

For the web server on the nagios host to serve local files, they have to be under documentroot (with a subdir as desired). This is just normal web server stuff. The permissions on the local dir have to allow the web server to access the page. /usr/local/nagios has never worked for me because it isn'...

If the OP has nagios backups from before the uograde, I'd suggest copying them to another host. You might want to do a reinstall of the OS, and follow the backup restore docs to restore and then repair.

In nagios XI you make config changes in CCM and then apply them. There is a static dir where you can put manually created config files.

Did you run the restore repair script after restoring on the new OS? Check the backup docs if not.

I'd suggest registering at the new support site. I seem to recall it wants a part of a license or something to show you have a support contract.