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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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Ran into an issue with the latest arch Linux update, how to prevent in the futur (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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I've been using Linux for the better part of 4 years so I'm not new to it, but I've always learned stuff on an as-needed basis. Today I ran into an issue that I want to prevent in the future since I had a mini heart attack thinking about how my last backup on this system was... Never since I'm an idiot who forgot to set it up like I have on my laptop. Here are my steps:

Ran sudo pacman -Syu; sudo pacman -Syy like I do every few days
packages updated
restarted computer
can only boot into emergency mode

The journal was really long so I moved past it and went to the pacman logs, linux had updated from 6.4.3.1-1 to 6.4.3.1-2. Nothing else was important enough to cause the system to only boot into emergency (gcc, vbox, some libs) so I did a quick pacman -U to the cached 6.4.3.1-1 version for both Linux and Linux headers and rebooted - hurrah it was fixed! But I have no idea why it happened, or how to prevent it.

Has anyone else ran into this issue when updating? Any advice for preventing future crashes or issues like this so I don't fear updating?

Edit: Thanks to everyone for your advice! I ended up following multiple bits of advice. I reinstalled arch to get btrfs as the filesystem (didn't have anything important other than some docked-compose files and books yet) and grabbed the linux-lts kernal as a backup as well. I haven't configured snapper yet, but it's on my list of things to do.

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[–] [email protected] 13 points 1 year ago* (last edited 1 year ago) (1 children)

Sadly, I can’t help you there, but I must applaud to your attitude of figuring out what happend and why.

When reading forum posts about Windows, Android or iOS stuff, it’s infuriatingly common to find a list of potential fixes without any explanations. Many people don’t know what went wrong, or why, but they do have some ideas what might fix it. Unfortunately, they just can’t tell you why a particular action is supposed to fix anything, because they don’t understand the root causes.

[–] [email protected] 4 points 1 year ago (1 children)

The amount of times ive seen "well if x and y don't work, you might have to reinstall Windows" keeps me up at night

[–] [email protected] 2 points 1 year ago

If turning it on and off again didn’t help, it’s time to reinstall. 🙈