Nagios Core Administration Cookbook

Monitoring web services

In this recipe, we'll set up a service check to monitor the responsiveness of an HTTP and HTTPS server. We'll use the check_http command and the plugin of the same name provided in the Nagios Plugins set to make HTTP and HTTPS requests of a web server, to ensure that it returns an appropriate and timely response. This is useful in situations where it's required to check whether a website is still functioning, particularly if there are times when it comes under heavy load or suffers denial of service attacks.

Getting ready

You should have a Nagios Core 3.0 or newer server with at least one host configured already. We'll use the example of sparta.naginet, a host defined in its own file. You should also understand the basics ...