NAME
check_freebsd_memory - Nagios plugin to report on FreeBSD memory usage
DESCRIPTION
This script acts as a plugin module for the Nagios IT infrastructure
monitoring system. It on a FreeBSD server to pull for memory information
through sysctl(8). This plugin reports on the following 17 memory
measurements:
* free_memory
* processes_in_run_queue
* processes_in_run_queue_on_disk_wait
* processes_in_run_queue_on_page_wait
* processes_in_run_queue_sleeping
* real_memory_active
* real_memory_total
* real_memory_usage
* shared_real_memory_active
* shared_real_memory_total
* shared_real_memory_usage
* shared_virtual_memory_active
* shared_virtual_memory_total
* shared_virtual_memory_usage
* virtual_memory_active
* virtual_memory_total
* virtual_memory_usage
This has been tested with FreeBSD 7.1.
SYNOPSIS
Command Line Interface
Get the percentage of real memory that's currently in use:
check_freebsd_memory -m real_memory_usage -w 80 -c 90
Get the percentage of virtual memory that's currently in use:
check_freebsd_memory -m virtual_memory_usage -w 80 -c 90
Run this script with command line options stored in a configuration
file:
check_freebsd_memory --extra-opts=my_config.ini
SEE ALSO
If using an external configuration file, it should be structured
according to the specification at
<http://nagiosplugins.org/extra-opts/>.
Thresholds given to this script should be in the format specified at
<http://nagiosplug.sourceforge.net/developer-guidelines.html>.
This module is built upon Nagios::Plugin by the Nagios Plugin
Development Team. Further reading on Nagios, NPRE, and Nagios Plugins is
available at <http://nagios.com/>.
AUTHOR
This script is written and maintained by Danne Stayskal
<danne@stayskal.com> and is available on his website, at
<http://danne.stayskal.com/software/check_frebsd/>.
LICENSE
Copyright (C) 2009 by Danne Stayskal.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Nagios, the Nagios logo, and Nagios graphics are the servicemarks,
trademarks, or registered trademarks owned by Nagios Enterprises. All
other servicemarks and trademarks are the property of their respective
owner.