System Metrics

CPU Usage and Load

check_cpu.sh

The script is based on the original script of Steve Bosek. I have modified it so it accepts different thresholds for user/system/iowait and prints output…

File System

Check_all_disks (w/ configuration file)

This script checks all mounted filesystems. The script can be passed variables for warning, critical, and configuration file location but if you don't pass it…

Memory

check_mem.pl

http://www.sysadminsjourney.com/content/2009/06/04/new-and-improved-checkmempl-nagios-plugin

See http://www.sysadminsjourney.com/content/2009/06/04/new-and-improved-checkmempl-nagios-plugin for up to date information, and examples.

Environmental

check_lm_sensors

http://trac.id.ethz.ch/projects/nagios_plugins/wiki/check_lm_sensors

Environmental

check_sensors

The official check_sensors plugin didn't report any info other than a regexp 'ALARM' from lm_sensors. I rewrote the plugin to send data and incorporated nagios-grapher…

Processes

check_osx_services

http://technosavvy.org/

This script is typically run via NRPE and utilizes the 'serveradmin' command line tool that's included with OS X Server to check the status of…

Memory

OpenBSD Memory

Description The OpenBSD Memory Plugin for Nagios checks the used/free/total memory and can optional output performance data. It's a shell script and use the command…

Storage Subsystem

check_geom.sh

Features: - check health of a gmirror - check health of a graid3 - check health of a gstripe - show status/percentage of synchronization Example…

Uptime

Uptime of router or switch

Check of router or switch of uptime through SNMP using perl input is entered in terms of Usage: -H -C -p -w -c There might…

Networking

check_linux_bonding

http://folk.uio.no/trondham/software/check_linux_bonding.html

The plugin will first try to use the sysfs (/sys) filesystem to detect bonding interfaces. If that does not work, i.e. the kernel or bonding…