power management - Linux - turn off screen permanently - Ask Ubuntu


i want turn off screen , keep off after keyboard / mouse input.

  • xset dpms force off not want.
  • vbetool dpms off would, requires real mode , other funny stuff, why can't crash on segfault.

it can third party utility or c / assembly / whatever other programmatic way.

one way change backlight 0 , restore it, although @jacobvlijm pointed out, dims screen instead of shutting off.

bl=`xbacklight` slock xbacklight -time 0 =0 xbacklight -time 0 =$bl

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