I have a linux laptop connected to a large screen display that shows
informational items (what it is doesn't matter) that are only viewed
from 7am-6pm. To conserve energy and reduce screen wear I would like for
the display to go to sleep after the PC has been idle for X hours.
The GUI
I think I figured it out (weird how anytime I ask a question I someone
figure it out right afterwards).
It looks like this will work:
xset dpms force off # to turn off
xset dpms force on # to turn on
This worked from a shell, I don't know if it will work in cron or not.
xset dpms force off # to turn off
This worked from a shell, I don't know if it will work in cron
At the very least, you need to set DISPLAY to :0 , as cron jobs have
a really limited set of environment variables. The cron job also
must be running as the user who's currently using the X
Matt Graham wrote:
xset dpms force off # to turn off
This worked from a shell, I don't know if it will work in cron
At the very least, you need to set DISPLAY to :0 , as cron jobs have
a really limited set of environment variables. The cron job also
must be running as the user who's
