I'm not sure about comparisons to Munin or nagios (since I haven't used them -- was coming from MRTG), but it is easy to deploy. There is a package (agent) that

I'm not sure about comparisons to Munin or nagios (since I haven't used them -- was coming from MRTG), but it is easy to deploy. There is a package (agent) that runs on startup and then every few minutes.