I'm trying to activate/disable monitor power saving within a bash
script. It's a TFT screen, mounted on a box.. but it's connected to the
VGA card with a standard external monitor cable.
It's taken me a large portion of the day to get the damn thing
suspending, (DPMS doesn't work for it.. hard as I tried... so I had to
enable the kernel option that's usually for laptops, to power it down
with APM).
The problem is... setterm doesn't run from non-local terminals. It will
activate the power saving fine if I run my script from the command line,
but when the script runs in the background (using &), from another
script, it complains with the same message you get when you try to
setterm in X, or over SSH:
cannot (un)set powersave mode
I am assuming this is because setterm can't get to the IOCTLs required
to do the power saving.. does anyone know better?
Cheers,
MAL
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