After a fresh new install of Debian, I can't control my displays brightness via the "
xbacklight"-tool ("No outputs have backlight property").
While this is curious enough (since their was a time it worked very well on the same machine before the OS reinstall), Im wondering how to handle the back-light control by hand.
I've found tips about managing this via files like "
echo 700 | sudo tee /sys/class/backlight/intel_backlight/brightness". While this is working I'm concerned about of the two following topics.
- Is this secure? (Can I accidentally input a too high value and brake my hardware on this way?)
- Is their a more comfortable way to do that? (How can I use tools like