Nagios

Overview

Set up Nagios Core for infrastructure and service monitoring with host definitions, check commands, notification contacts, and custom plugins. Covers configuration, common check setups, and plugin development.

Instructions

Task A: Install and Configure Nagios

# Install Nagios Core on Ubuntu
sudo apt-get update
sudo apt-get install -y nagios4 nagios-plugins nagios-nrpe-plugin
sudo systemctl enable nagios4
sudo systemctl start nagios4