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1. Overview
The monitoring of essential servers and services is an important part of system administration. Most network services are monitored for performance, availability, or both. This section will cover installation and configuration of Nagios for availability monitoring, and Munin for performance monitoring.
The examples in this section will use two servers with hostnames server01 and server02. Server01 will be configured with Nagios to monitor services on itself and server02. Server01 will also be setup with the munin package to gather information from the network. Using the munin-node package, server02 will be configured to send information to server01.
Hopefully these simple examples will allow you to monitor additional servers and services on your network.