This is a ready-to-use Nagios 4 instance with integrated NagiosGraph, available as an AMI. It comes with the latest software versions installed from Debian packages and is fully configured and secure, allowing you to start using Nagios by simply creating a new instance.
Nginx and PHP 7.4 are pre-installed and configured to ensure maximum performance.
The localhost is already configured for monitoring, providing you with a working example to see how Nagios operates and can be used as a baseline configuration.
Detailed installation and configuration instructions are included for your convenience.