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This plugin checks external IP address against a DNS server, to verify if dynamic DNS scripts are working properly.

Because of my work I had to write a little PHP script to integrate with Nagios. It works checking local RRD databases (Nagios and Cacti…

Use this script for conditional sending of pager (SMS) notifications for hosts/services. The script checks if the custom variable _no_pager is set to 1 for…

Checks the Windows registry for the date of the virus definition DAT file, compares it to today's date and allows you to set a limit…

This plugin checks the CPU load of AVAYA S8xxx media servers, accessing Avaya's SNMP agent. It has been tested with our S8730 Media Servers running…

Watch the percentage and number of connections available on a PostgreSQL server.

This script monitors the Modules on both Cisco Catalyst 6500 and Catalyst 4500 switches.

Checks Cacti Thold plugin threshold value (ePN complient)

This Nagios XI wizard allows you to easily configure monitoring of hosts and services for which passive checks have already been received. Works with Nagios…

Website checker to verify proper content download.

LINUX ONLY - Check for OOM-Killer (out of memory killer) Activity

A plugin for nagios to check percent of CPU use of processes during a given interval.

Checks CPU Temp of DELL Servers with SNMP from Linux machine.

Nagios plugin to check a tftp server. Uses the local "tftp" client binary to issue a "status" command and processes the results. By O'Shaughnessy Evans.

This plugin checks the status of objects via SNMP and returns OK, WARNING, CRITICAL or UNKNOWN. It includes a plugin and a CGI.

This Plugin checks a specific number of jump in a traceroute command.

Check an XML web page for specific content using the XML XPATH syntax.

This article describes how to monitor an IPSEC tunnel running on OpenBSD. I could not find any plugin already done so I created my own.

NTrayC (Nagios Tray Clone) is a small Windows utility that stays in your desktop systray and warns you about problems reported by your Nagios monitoring…

Simple file integrity checker.

This script will check the traffic and status of an interface, in just about the same way as check_iftraffic.pl does.