ubuntu 更改默认亮度

chmod 777 /sys/class/backlight/intel_backlight/brightnes

chmod 777 /sys/class/backlight/intel_backlight/actual_brightness

 

sudo sublime /etc/rc.local  

添加内容
echo 1400  > /sys/class/backlight/intel_backlight/brightness

echo 1400  > /sys/class/backlight/intel_backlight/actual_brightness