Most Reviewed Listings

Get interesting but hard-to-get-at information about the server hardware, eg. free memory slots, front-side-bus speed et al

Check the used space of a mounted partition using df, and prints it in percent scale.

Check the amount in % of used cpu on a linux system using either procinfo or sar (whichever is available)

Monitor file count of a directory and notify if the count of files exceedes threshold. Shell script (sh), GPL

A very simple script to check the number of opened files on system (linux of course..).

Check memory plugin by parsing /proc/meminfo and taking Cached mem into consideration

This plugin checks if there are debian updates available. If so, it issues a warning, if the packages are from security it raises a critical.

This checks for the presence of the "wuauclt.exe" process on SNMP enabled Windows machines. It takes the hostname and the community string as it's arguments...and…

Advanced options for filtering and alerting on eventlog events. *requires .NET 2.0 to work

Use NC_Net/check_nt to check all Automatic Windows services First use ENUMSERVICE to get a list of services set for Automatic startup, then check them with…

Find out the individual CPU load for Windows Systems.

using vmstat to check idle percentage

Yet another check_uptime shell script for Linux/Solaris/HP-UX/AIX One more bug fix, latest version is 1.04

VBScript to check MSMQ metrics via NRPE (NSClient++ with NRPE Listener)

A plugin written in C# that tries to mimick the check_http plugin that is called via NRPE on a host in an MS NLB Cluster.

Cnagios is a full-screen terminal interface for viewing Nagios HOST and SERVICE objects, and the durations of their current states. It's lightning fast becauseit's written…

This plugin uses SNMP to check status of raid cards and NAS devices. The type of controller is specified with -T option. Supported types are:…

check_fileage is a plugin to check if a file has changed.

Check some aspects of VMWare ESX guests (cpu, memorry, netio, kernel and status)

Perl script to poll SNMP-enabled UPS devices, namely from Tripp Lite, such as the PDUMH20ATNET.