Running MRTG cfgmaker across your entire subnet?

Wed, 27 Jan 2010 13:00:30 +0000

I realized recently that I had a bunch of newly-provisioned VMs that weren’t being monitored by MRTG (one of the tools we use to monitor network usage and other fun stats). Rather than manually run cfgmaker against all the new machines, I decided to script my way out of this.

Step 1: Build a list of hosts to monitor

For this I used an nmap ping test to generate a list of “up” hosts:

Nmap on Evan Hoffman

Running MRTG cfgmaker across your entire subnet?