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Check if the mysql replication between a master and a slave is ok.

Plugin to check several Woot sites via an RSS feed for Nagios.

Checks the MailCleaner overall status using SNMP values

Checks NDB node memory usage on all specified nodes.

A small Ruby plugin for Nagios for Smart Array controllers (all models supported by hpacucli)

This plugin queries the dsl state of an AVM FritzBox via uPNP and returns the traffic in/out as performance counter. Tested with an AVM Fritzbox…

This Nagios check can be used to monitor pool availability and member status on Big-IP hardware. It uses SNMP (v1 or v2) to get the…

Plugin calculates number of days since last success update.

Monitoring script check simultaneous calls. Tested in Asterisk 1.8 and Centos 5.7 ./check_asterisk_calls.sh [XX] [YY] XX warning value YY critical value

Based off of check_disk.sh. Queries a Sun/Oracle Unified Storage appliance via SNMP. Acquires total space for a share and used. Does a quick calculation and…

Used in conjunction with irccat (https://github.com/Wirehive/irccat) to send a message to an IRC channel.

Checks the ‘Next Update’ time for a number of CRL files using OpenSSL.

Sends a text to speach notification to a PSTN phone number via Twilio.

Multithreaded multiple ping targets from a remote server through nrpe / nsclient. For example, if you have a remote site with one server, you can…

This Python 2.6 check verifies if a generic not empty file owns the expected uid, gid and mode. Simply adapt it to your needs.

This plugin checks the status of SGI's LSI based InfiniteStorage products. It will also probably work on any LSI/Engenio storage controller providing you can provide…

This PHP Nagios plugin automaticly detects all disks/partitions of a Windows or Linux operating system and checks the free space. You don't need a check…

Check active connections on Cisco ASA 5510.

This plugin checks the amount of access to your server since the past X minutes activity using apache log file. This plugin is able to…

This plugin sends SNMP queries to a QNAP NAS and verifies the state of all volumes (status, space free). The free space is returned as…

Counts how many files are in the directory and subdirectories written in bash orginal from Gerd Stammwitz