Nagios, 2nd Edition

6.6 Querying the Secure Shell Server

Monitoring of Secure Shell servers (irrespective of whether they use protocol version 1 or 2) is taken over by the plugin check_ssh (included in the standard distribution). It is quite a simple construction and just evaluates the SSH handshake. User name and password are not required for the test.

Not to be confused with check_sshis the plugin check_by_ssh (see Chapter 9 from page 205), which starts plugins remotely on a different computer.

-H address / --hostname=address

Host name or IP address of the computer to which the plugin should set up an SSH connection.

-p port / --port=port

This specifies an alternative port. The default is 22.

-r version / --remote-version=version

The version details for the tested Secure ...