• Conntrack
• gplv2
• Netfilter

check_conntrack_size

• Proxy
• Squid

check_squid

• Bird
• gplv2
• OSPF
• Routing

check_bird_ospf

• bsd
• bsd-3-clause
• Tor

check_tor

• gpl-2.0
• gplv2
• High-Availability
• HP-UX
• Quorum

check_mcqs

A Nagios / Icinga plugin for checking HP MC/ServiceGuard quorum server states

• Check
• UPS

check-upsc

• dokuwiki
• gplv3
• Linux
• Website

check_dokuwiki

Monitoring plugin to check the Dokuwiki update status

• Linux
• memory
• Performance Data
• Swap

check_memory

check_memory.sh is a bash script for Nagios/Icinga that monitors memory and swap usage on a linux system, providing configurable thresholds for warning and critical alerts.

• gplv2
• Linux
• Mail
• Postfix
• Unix

check_greylist

Nagios plugin for checking a Postfix greylisting policy-daemon

• NETIO

check_netio

Icinga plugin to check Netio PDU