In this recipe, we'll create a new command for a plugin that was just installed into the
/usr/local/nagios/libexec directory in the Nagios Core server. This will define the way in which Nagios Core should use the plugin and thereby allow it to be used as part of a service definition.
You should have a Nagios Core 4.0 or newer server running with a few hosts and services configured already, and you should have a plugin installed for which you'd like to define a new command so that you can use it as part of a service definition. In this instance, we'll define a command for an installed
We can define a new command in our configuration as follows: