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How can I stop my TV from turning off when my Linux box is idle? (self.linuxquestions)

submitted 1 year ago by AlpacaChariot to c/[email protected]

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I have a box running kodi in standalone mode with X11. My TV displays "no signal" if I leave it for too long, does anyone know how to stop this from happening?

I can still ssh into the box and use the remote app Kore so the system hasn't suspended or anything like that.

Pressing up/down etc on the kore remote, which should change what is displayed on screen, doesn't wake kodi up. However, I can wake it up if I tell Kodi to play a video.

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[–] AlpacaChariot 2 points 1 year ago* (last edited 1 year ago)

Finally found a solution that works to disable power management! I added the following line to the service section of my systemd unit file:

ExecStartPost = /usr/bin/sh -c 'DISPLAY=:0 xset s off -dpms'

If I check with the command below I can see DPMS is off

DISPLAY=:0 xset -q