====== Linux와 Monitor ======
  * [[linux:xrandr|XRandr]]
  * [[linux:hidpi|Linux HighDPI]]
===== suspend 이후 모니터가 다시 살아나지 못하는 현상 =====
  * nvidia 드라이버에서 발생하는 것으로 보임.
  * [[https://forums.developer.nvidia.com/t/solved-resume-from-suspend-not-working-with-980-ti-drivers-352-370-kernels-3-16-4-4/41631/92|(SOLVED) resume from suspend not working with 980 Ti, drivers 352 - 370, kernels 3.16 - 4.4 - GPU Unix Graphics / Linux - NVIDIA Developer Forums]]
  * [[https://forums.developer.nvidia.com/t/resume-from-suspend-freezes-system-gtx-970-arch-linux-kernel-4-4-4-7-nvidia-370/44725/11|resume from suspend freezes system (GTX 970, Arch Linux, Kernel 4.4/4.7, NVIDIA 370) - GPU Unix Graphics / Linux - NVIDIA Developer Forums]]
  * [[https://bbs.archlinux.org/viewtopic.php?id=260159|One Monitor Doesn't Wake from Sleep Mode / Applications & Desktop Environments / Arch Linux Forums]]

<code sh>
~/.xprofile 혹은 ~/.xinitrc 에 다음 시도

xset s off
</code>

===== Laptop 모니터 밝기 조절 brightness =====
  * [[http://sandipbgt.com/2015/10/01/control-screen-brightness-from-commandline-in-ubuntu/|How To Control Your Monitor Brightness From Command Line In Ubuntu?]]
  * ''0~1.0'' 사이로 지정한다.

<code sh>
# 약간 어둡게
xrandr --output eDP-1-1 --brightness 0.5

# 밝게
xrandr --output eDP-1-1 --brightness 1.0

# 모니터 번호를 모르면 아래와 같이 검색
xrandr | grep " connected" | cut -f1 -d " "
</code>