Linux Reviews: Using DPMS to Reduce Your Power-Bill

“First of all, what is DPMS? DPMS is the interface to the Energy
Star power saving functions for your monitor. Basically it lets
your monitor suspend and power off automatically from inactivity.
It is nice 🙂 So let’s see how we set it up!

“First, the requirements. You will need X Windows (XFree86 4.x
or X.org 6.7 or greater). You will also need an X Server that
supports the DPMS calls (to the best of my knowledge basically
every X Server out there supports this now).