Following setup prevent from automatic lighting up during any action. (Discuss in Talk:Keyboard backlight)In case you use MATE environment you might get tired with repeated lighting keyboard backlight while logging in, unlocking screen or waking up dimmed display. You can then map your keyboard shortcuts to run /usr/local/bin/kb-light.py + x and /usr/local/bin/kb-light.py - x to increase and decrease your keyboard backlight level by x amounts.Tip: You should try with an x = 1 to determine the limits of the keyboard backlight levels /usr/local/bin/kb-light.py #!/usr/bin/env python3Kbd_backlight_proxy = bus.get_object('org.freedesktop.UPower', '/org/freedesktop/UPower/KbdBacklight')Kbd_backlight = dbus.Interface(kbd_backlight_proxy, 'org.freedesktop.UPower.KbdBacklight')Maximum = kbd_backlight.GetMaxBrightness()New = max(0, min(current + delta, maximum))# Return current backlight level percentageIf len(sys.argv) = 2 or len(sys.argv) = 3:If sys.argv = '-up' or sys.argv = '+':Elif sys.argv = '-down' or sys.argv = '-':Print('Script takes one or two argument.', len(sys.argv) - 1, 'arguments provided.')Alternatively the following bash one-liner will set the backlight to the value specified in the argument:Dbus-send -system -type=method_call -dest='org.freedesktop.UPower' '/org/freedesktop/UPower/KbdBacklight' 'org.freedesktop.UPower.KbdBacklight.SetBrightness' int32:$1The following can be run from a terminal or mapped to keybindings$ gdbus call -session -dest org.gnome.SettingsDaemon.Power -object-path /org/gnome/SettingsDaemon/Power -method org.gnome.SettingsDaemon.Power.Keyboard.StepUp$ gdbus call -session -dest org.gnome.SettingsDaemon.Power -object-path /org/gnome/SettingsDaemon/Power -method org.gnome.SettingsDaemon.Power.Keyboard.StepDownReason: Informal and unclear description. Install upower and dbus-python packages then place the following script in /usr/local/bin/ and make it executable.

Keyboard Lighting On Off Asus