A shell script (that can be used as a Nagios/Icinga plugin) to check an SSL/TLS connection.

Tool for monitoring network devices (mainly using SNMP) - monitoring check plugin

Nagios plugin to check docker containers

Nagios/Icinga/Sensu plugin to check current server's RAID status ⛺

A monitoring/inventory plugin to check components and health status of systems which support Redfish. It will also create a inventory of all components of a system.

check_rbl is a Nagios plugin to check if an SMTP server is blacklisted

🍀 Check NetApp Ontap 🍀

A Nagios Plugin written in Perl for the Citrix ADC (formerly Citrix NetScaler). It uses the NetScaler NITRO API.

Nagios/Centreon plugin for nextcloud serverinfo API (https://github.com/nextcloud/serverinfo)

This systemd check for nagios compatible monitoring systems will report a degraded systemd to your monitoring solution. It can also be used to monitor individual systemd services and timers units.

A Python class library which helps with writing Nagios (Icinga) compatible plugins.

Icinga2/Nagios plugin for checking domain expiration

🔑 HashiCorp Vault Monitoring Tool

Monitoring plugin to check Docker / Kubernetes clusters managed by Rancher 2.x

Moodle health checks for load balancers / nagios

Icinga / Nagios plugin to validate DNSSEC validity of a DNS zone.

Nagios plugin to check the status of a systemd service

Local Check for Check_MK to get information about UniFi devices from Controller

SMTP DANE testing tool

🍀 Check MS Windows Scheduled Tasks 🍀