Dot files, config files, scripts, etc.
Adjusting the brightness with xbacklight
does not work using
integrated graphics. Create the file
/usr/share/X11/xorg.conf.d/20-intel.conf
with the following
content.
Section "Device" Identifier "card0" Driver "intel" Option "Backlight" "intel_backlight" BusID "PCI:0:2:0" EndSection