Simply copy the plugin to your nagios plugin directory

In order to use timeouts the plugin needs 'expect' in the current PATH
See: http://en.wikipedia.org/wiki/Expect

# File version information:
# $Id: AUTHORS 1103 2009-12-07 07:49:19Z corti $
# $Revision: 1103 $
# $HeadURL: https://svn.id.ethz.ch/nagios_plugins/check_updates/AUTHORS $
# $Date: 2009-12-07 08:49:19 +0100 (Mon, 07 Dec 2009) $