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Disable JetPack Ubuntu 18.04 command line blank screen

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I launch my program in headless mode (non-ssh syslemctl set-default multiuser.target) using xinit. Problem is that after 10 minutes screen goes black/blank, and I need it to stay on all the time.

I have tried:

gsettings set org.gnome.desktop.lockdown disable-lock-screen true
gsettings set org.gnome.desktop.screensaver lock-enabled false
gsettings set org.gnome.desktop.screensaver idle-activation-enabled false
gsettings set org.gnome.settings-daemon.plugins.power idle-dim false

Also in xorg.conf:

Section  "ServerFlags"
    Option "BlankTime" "0"
    Option "StandbyTime" "0"
EndSection

But screen keeps going blank after 10 minutes. Thinking of adding Option "SuspendTime" and Option "OffTime" also.

mangohost

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