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This plugin provides unix memory statistics data from NetSNMP and calculates amount and percent of used memory and free memory, as well amounts and percent…

Checks Cacti Thold plugin threshold value (ePN complient)

Monitoring the Fail2Ban Service

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

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…

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

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…

Website checker to verify proper content download.

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

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

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

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

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

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

Simple file integrity checker.

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.

Checks VNC on a remote machine including vnc authentication and getting a full screen shot through the VNC protocol.

Perl plugin that count the number of files in an FTP folder.

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