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 currently using the X Display.
Or you could just do "xhost +local:", though that will cause paranoid
people to have a cow.
Yep I figured that out as well. Here is what I am using for tonight, I
will come up with a more graceful script tommorrow :-)
[bigscr...@bigscreen ~]$ cat /usr/local/bin/display.sh
#!/bin/bash
export DISPLAY=:0.0
PARAM=$1
if [ "off" == "$PARAM" ]; then
echo "Turning OFF screen via dpms..."
export DISPLAY=":0.0"
/usr/bin/xset dpms force off
exit 0
elif [ "on" == "$PARAM" ]; then
echo "Turning ON screen via dpms..."
export DISPLAY=":0.0"
/usr/bin/xset dpms force on
exit 0
fi
echo "Usage: $0 on/off"
echo " This will turn the display on or off via dpms."
I tested this from cron as the user running the X session and it appears
to work :)
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