Filesystem

check_mount (Perl)

https://dev.sanctum.geek.nz/cgit/nagios-check-mount.git/about/

FTP

check_ftp (with STARTTLS)

https://dev.sanctum.geek.nz/cgit/nagios-check-ftp.git/about/

Instant Messaging

check_xmpp

https://dev.sanctum.geek.nz/cgit/nagios-check-xmpp.git/about/

Clustering and High-Availability

check_nrpe_cluster

https://dev.sanctum.geek.nz/cgit/nagios-check-nrpe-cluster.git/about/

Run two or more NRPE checks and return a status based on their aggregated results. Intended for redundancy situations where multiple checks are performed to…

Network Connections, Stats and Bandwidth

check_speedtest_servers

https://dev.sanctum.geek.nz/cgit/nagios-check-speedtest-servers.git/about/

Check that an Oookla Speedtest server with a specified URL and/or host is present on the public list of servers. Works by downloading the server…