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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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I can now control external display brightness from KDE and I don't know why. Thank you, nameless Linux contributor (feddit.it)

submitted 8 months ago* (last edited 8 months ago) by [email protected] to c/[email protected]

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This is a short appreciation/user experience story. Tl;Dr I'm enjoying my time on linux

I have been using Linux for a while (gnome for a year with an Intel UHD gpu, and KDE for a couple of months on a recent AMD gpu), and till now there was no brightness slider. Moreover, I have used the same display with windows for several years and there was no slider as well.

As far as I know (I looked up online some years ago, but this info is sometimes hard to find) my display supports DDC/CI but doesn't expose brightness (haven't actually tried).

For some reason, about a week ago a brightness slider appeared on KDE but it didn't do anything. Yesterday while updating some unrelated stuff I noticed the slider again and moved it for shit and giggles, and the brightness actually changed...

I have several questions... and I don't even know which piece of software is responsible for this... but thanks

I have been using Linux on and off for several years, often alongside windows, but I have entirely switched to it (almost, I still have a windows PC that I use once in a while) about 16 months ago. I have to say that Linux does take a lot more effort in getting some things to work, but when everything goes smoothly it's sooo good, and improves every month.

In the span of a year my desktop experience has only got better. But the shock was when I booted up an Ubuntu 16.04 cd I had lying around to fix grub on a dual boot machine and it was barely usable. Now instead it's almost "plug and play". Plus Nvidia cards are getting more and more usable with every update, explicit sync is almost merged, and prime works fine already.

There won't be a year of the Linux desktop anytime soon (there's still too much that needs improvement), but the next years will definitely be exciting.

P.s.: does any of you know why display brightness works now?

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[–] [email protected] 10 points 8 months ago (1 children)

So we are not talking about Plasma 6 but a random system update? What distro are you using? I have a "This is not working, why" story that I would love to get fixed magically: my laptop's brightness control stops working after the laptop sleeps for the first time after booting. No idea what to do about it, for the time being I use xrandr brightness under X ...

[–] [email protected] 7 points 8 months ago (1 children)

Not plasma 6, random fedora 39 update

[–] [email protected] 2 points 8 months ago

Interesting, thanks for the answer.