In this recipe, we'll learn how to schedule downtime for a host or service in Nagios Core. This is useful to elegantly suppress notifications for some predictable period of time; a very good example of this is when servers require downtime to be upgraded or to have their hardware checked.
In this example, we'll demonstrate how to schedule downtime for a host named
sparta.example.net, and we'll examine the changes it makes in the web interface.
You should have a Nagios Core 4.0 or newer server with a definition for at least one host, at least one service, and some idea of when you would like your downtime to be scheduled. You should also have a working web interface, as per the standard installation ...