Mark Clarkson

Check that the size of Slab memory does not exceed percentage of total memory.

Check a number of hosts or services, like check_cluster, but use a table for the logic.

Check for existence or non-existence of a file or files - using glob patterns.

Get network interface statistics from a Linux host, but be economical with the output, and try to select interfaces automatically.

Checks the ‘Next Update’ time for a number of CRL files using OpenSSL.

Verify the nagios configuration with 'nagios -v'. There are many situations where a nagios configuration can sit broken without anyone noticing.

Linux disk IO check. Reads /sys filesystem directly to query tps, read, write, avg. request size, avg. queue size and avg. wait time.

Check that modules are in an ok state. Say exactly which module is in non-ok state otherwise. Tested on Cisco Nexus 7000 series switches.

Check that 2 (or more) PSUs are present and working in a Cisco switch. Usually a removed PSU won't be noticed since there is no…

Check that interfaces are in the state that the network admin requested them to be in in the cisco cli.

Nagrestconf is a mature and well maintained REST interface and configuration GUI for Nagios. Easy to install with docker. Easy querying and modification from the…

Checks /var/log/messages for general puppet-agent problems. The status will not return to 'green' until the problem is fixed.

Heavily modified version of the original plugin by Ryosuke Matsui *** This script is for MS-Windows environment *** This PowerShell script works with NSClient++ on…