Screen brightness/temperature manager for Linux/X11. More information: https://github.com/Gitoffthelawn/gummy.
gummy {{[-t|--temperature]}} {{3000}}
gummy --backlight {{50}}
gummy {{[-b|--brightness]}} {{45}}
gummy {{[-b|--brightness]}} {{+10}}
gummy {{[-b|--brightness]}} {{-10}}
gummy {{[-s|--screen]}} {{1}} {{[-t|--temperature]}} {{3800}} {{[-b|--brightness]}} {{65}}