=head1 DESCRIPTION
This small program is the glue between collectd and nagios. collectd collects
-various performance statistics which is provides via the C<unixsock plugin>.
-This program is called by Nagios, connects to the UNIX socket and reads the
-values from collectd. It then returns B<OKAY>, B<WARNING> or B<CRITICAL>
-depending on the values and the ranges provided by Nagios.
+various performance statistics which is provides via the C<unixsock plugin>,
+see L<collectd-unixsock(5)>. This program is called by Nagios, connects to the
+UNIX socket and reads the values from collectd. It then returns B<OKAY>,
+B<WARNING> or B<CRITICAL> depending on the values and the ranges provided by
+Nagios.
=head1 ARGUMENTS AND OPTIONS
=head1 SEE ALSO
-L<collectd(1)>, L<collectd.conf(5)>, L<http://nagios.org/>
+L<collectd(1)>,
+L<collectd.conf(5)>,
+L<collectd-unixsock(5)>,
+L<http://nagios.org/>
=head1 AUTHOR
-Florian Forster E<lt>octo@verplant.orgE<gt>
+Florian Forster E<lt>octoE<nbsp>atE<nbsp>verplant.orgE<gt>
=cut
applications, such as monitoring, or submit externally collected values to
collectd.
+This plugin is used by L<collectd-nagios(1)> to check if some value is in a
+certain range and exit with a Nagios-compatible exit code.
+
=head1 COMMANDS
Upon start the C<unixsock plugin> opens a UNIX-socket and waits for
=head1 SEE ALSO
-L<collectd(1)>, L<collectd.conf(5)>, L<unix(7)>
+L<collectd(1)>,
+L<collectd.conf(5)>,
+L<collectd-nagios(1)>,
+L<unix(7)>
=head1 AUTHOR