Cacti and Custom Data Source Monitoring Part 2 of 2
Custom Data Sources Now that Cacti is up and running, let’s get some data from data sources that typically aren’t covered. The Raspberry Pi is unique in the sense that CPU temperature can be monitored using a program called vcgencmd. Great thing about this program is it’s already installed. Run the following command from the terminal. [bash] vcgencmd measure_temp [/bash] You should get a reading back along the lines of “temp=42.0’C”. If you do, great. We’re going to need to…