Save Brightness Settings Ubuntu 12.04 LTS

If your laptop starts with minimized or maximized brightness and you want to have a fixed default value for that do following: Run terminal and type to get maximum brightness: cat /sys/class/backlight/acpi_video0/max_brightness Now set the brightness as you want and run following which give you the value for current setting: cat /sys/class/backlight/acpi_video0/brightness Edit /etc/rc.local to have that value as default after each reboot / start: sudo gedit /etc/rc.local Add this line before exit 0: