LongVNIT

Munin is a monitoring tool for servers. It uses RRDtool to log and graph data from your servers. The plugin API is very easy to grasp. Actually, I haven’t read the API documentation yet. I just looked at the output of the plugins and it looks easy to achieve. The data can be accessed through [...]

Munin is a highly flexible and powerfull solution used to create graphs of virtually everything imaginable throughout your network, while still maintining a rattling easy of installation and configuration.
I will use the following scenario:
munin-server.example – 192.168.1.254        # Munin Server
station1.example.com – 192.168.1.1            # Munin client
station2.example.com – 192.168.1.2            # Munin client