Nagios Courses

Learning Nagios
LinkedIn Learning

Nagios Monitoring Tool Tutorial
YouTube

DevOps monitoring with Nagios: Configure Nagios in AWS EC2
Coursera Project Network via Coursera

Nagios Certified Professional Prep Course
A Cloud Guru

OS Analysis with Nagios
Pluralsight

Monitoring: A New Approach
Linux Foundation via YouTube

Next Generation Observability Using Open Source Monitoring
CNCF [Cloud Native Computing Foundation] via YouTube

Building an Infosec Program from Ground Zero - From the Coat Closet to the Data Center
YouTube

Nagios Fundamentals
Pluralsight