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<pre class="shell">
# Turn off screen
echo 0 > /sys/class/backlight/lcd-backlight/brightness
# Turn on screen
echo 250 > /sys/class/backlight/lcd-backlight/brightness
# Force reboot
echo b > /proc/sysrq-trigger
# Turn off screen and suspend (deepsleep?)
sudo su -c "echo 0 > /sys/class/backlight/lcd-backlight/brightness" && exec pm-suspend
# Restart lightdm (has no effect)
sudo rc-service lightdm restart
</pre>
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