Nagios: Monitoring Interface Bandwidth Utilization Using Cacti Data

One area where Nagios is severely lacking is bandwidth utilization monitoring of network devices. Since I already have a fully-functioning Cacti server and a scaled up Nagios server, I wrote my own python plugin to do the job. (more…)

Cacti Interface Traffic Graph

Dress Up Your Cacti Graphs

Cacti has been around for over a decade and is a terrific tool for graphing everything on your network from interface traffic to temperature and voltage. Unfortunately the default templates give you bland-looking graphs. Since you’re going to be eying your graphs on a daily basis why not give them a little more pizzazz? (more…)