The easiest way is to install Amahi Energy Saver via the Amahi One Click installation. Please see here: http://www.amahi.org/apps/amahi-energy-saver
===Manual installation- NOT SUPPORTED ANYMORE, BUT MAY STILL WORK===Alternatively you can install manually:
Download the latest tested and released version here: http://code.google.com/p/amahienergysaver/downloads/list
Latest untested sources are available at Git:
https://github.com/jayrockk/Amahi-Energy-Saver
* Initial installation
WakeOnLan is a freeware application provided by Readpixel which offers a very comfortable way to wake up your HDA directly from your Mac OS X desktop (ref. http://www.readpixel.com/wakeonlan/index.html).
==Sources==
Latest untested sources are available at Git:
https://github.com/jayrockk/Amahi-Energy-Saver
==OBSELETE: Command Line Interface==