xset: unable to open display
Solution 1:
You need to tell xset which display to use:
export DISPLAY=:0
xset q
Solution 2:
Try vbetool instead xset:
sudo vbetool dpms off
It's works fine for me.
xset: unable to open display
Solution 1:
You need to tell xset which display to use:
export DISPLAY=:0
xset q
Solution 2:
Try vbetool instead xset:
sudo vbetool dpms off
It's works fine for me.