In looking for Powernap action script examples ( i.e. /etc/powernap/action ), I found the following: one two three Does anybody have another good script they use or recommend particular techniques ...
I have configured powernap to hibernate (i.e., suspend-to-disk) the machine if idle. In order to save additional power, I have configured my non-root, data disks to spin-down using the hdparm command. ...