Nagios Support Forum

Hello, I'm encountering an issue with NRPE on my setup. When I try to execute the check_updates command remotely using NRPE, I receive the following error message: CHECK_NRPE: Invalid packet version received from server. The command (check_updates) returned an invalid return code: -196608| Slope Ga...

It seems like you've configured Nagios on CentOS to send notifications via email using your Gmail account but are encountering issues. Here are a few steps and considerations to help troubleshoot the problem: Check Network Connectivity: Ensure that your CentOS server has internet access and can reac...