this post was submitted on 21 Dec 2023
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Linux

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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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Super weird error, what's happening? (lemmy.zip)
submitted 11 months ago by SuperSpruce@lemmy.zip to c/linux@lemmy.ml
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I'm not sure if this is the best community to post in, but I just bought a used computer and slotted in an RX480 as the GPU. I installed KDE Neon 5.27 on it, and it worked flawlessly for 2 days.

Then, even though it was working earlier today, it slept and then would not wake up. So I turned off the power and turned it back on again, and was greeted with this error screen:

The only prior error message I'd gotten from the system was when I tried to install wine for one application, it told me some packages weren't up to date, without a way to fix it. I can enter the BIOS just fine.

What is going on? How do I fix this?

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[–] Penta@lemmy.world 25 points 11 months ago (2 children)

This was probably supposed to say "journalctl -xb"

[–] SuperSpruce@lemmy.zip 5 points 11 months ago (1 children)

Okay, that command works for me. The last line says that /etc/hosts:7: hostname "SuperSpruce_Iron_3900X" is not valid, ignoring.

[–] SpaceCadet@feddit.nl 13 points 11 months ago

Not sure if this is the root cause of your boot failure, but underscores in hostnames are not allowed. A- Z, 0-9 and - are the only allowed characters.