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Chapter 10. The Nagios Remote Plugin Executor (NRPE)

The Nagios Remote Plugin Executor (or in short, NRPE) as the name suggests, executes programs on a remote host. These are usually plugins that test the corresponding computer locally and therefore must be installed on it. The use of NRPE is not restricted to local plugins; any plugins at all can be executed, including those intended to test network services—for example, to indirectly test computers that are not reachable from the Nagios server (as shown in 10.6 Indirect Checks from page 224).

While a genuine user account must be available on the remote computer when the secure shell is used (see Chapter 9), which can also be used to do other things than just start plugins, NRPE is restricted ...

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