Using the Gnome “Power Management Preferences”, for instance, it is possible to put the computer to sleep when inactive for a certain amount of time, from 11 minutes up to 1 hour.
I’m looking for a way to do this with longer periods of inactivity and being mandatory, that is not a personal setting.
So looking into what triggers power saving events opens up what seems to be a jungle of frameworks and applications for handling various things. Not that this is unusual in the Linux world, but this struck me as extraordinary.
S2ram, pm-utils, ACPI, suspend, powersave, HAL.
What framework/daemon/configuration handles events like inactivity to trigger power saving? Is there even one, or is the Gnome Power Management a special case?
I’m using OpenSuSE 11.1.