General information is here: http://code.google.com/p/amahienergysaver/

1. Copy the tar.gz file from the download page to some folder and unpack it with tar -zxf filename.

5b. For experts: As root, navigate to /usr/bin/aes and have a look at the log file. Modify aes_monitoredhosts to add more host to be monitored. When you are finished and have saved the file, you may run "service aes restart" and check the file again. If it looks ok, aes has understood it correctly, otherwise edit again.