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What're some of the dumbest things you've done to yourself in Linux? (lemmy.ca)
submitted 7 months ago by danielquinn@lemmy.ca to c/linux@lemmy.ml
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I'm working on a some materials for a class wherein I'll be teaching some young, wide-eyed Windows nerds about Linux and we're including a section we're calling "foot guns". Basically it's ways you might shoot yourself in the foot while meddling with your newfound Linux powers.

I've got the usual forgetting the . in lines like this:

$ rm -rf ./bin

As well as a bunch of other fun stories like that one time I mounted my Linux home folder into my Windows machine, forgot I did that, then deleted a parent folder.

You know, the war stories.

Tell me yours. I wanna share your mistakes so that they can learn from them.

Fun (?) side note: somehow, my entire ${HOME}/projects folder has been deleted like... just now, and I have no idea how it happened. I may have a terrible new story to add if I figure it out.

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[-] inetknght@lemmy.ml 49 points 7 months ago

  1. have an nvidia GPU

  2. have Fedora

  3. download RPM package of drivers for Red Hat (after all, Fedora and Red Hat are... compatible, right?)

  4. Everything goes fine

  5. Six months later, upgrade to a new version of Fedora

  6. oops, kernel panic at boot after the upgrade, and no video to troubleshoot after UEFI boot

  7. figure out how to boot into a recovery partition from UEFI

  8. figure out how to enable a serial console over a USB device

  9. figure out how to connect to the serial console from another computer using another USB device

  10. figure out what the kernel panic is from (not the upgrade, but the driver which wasn't upgraded)

  11. figure out how to uninstall the incorrectly installed driver

  12. figure out how to install the correct driver

That was a fun three week OS upgrade.

[-] EveryMuffinIsNowEncrypted@lemmy.blahaj.zone 13 points 7 months ago

I have a super-n00b question, and I apologize in advance, but, uh...yeah, what is a serial console?

[-] DmMacniel@feddit.de 9 points 7 months ago

You attach a secondary computer via serial (COM port) with your primary computer and then you can open a console on that one. You can access the primary computer as if you would be sitting in front of it.

[-] Morphior@feddit.de 5 points 7 months ago

You probably have to explain what Serial actually is.

[-] DmMacniel@feddit.de 3 points 7 months ago

I mean serial is just a port that runs in serial. You send something and you receive something afterwards, after you've received you can send again...

[-] EveryMuffinIsNowEncrypted@lemmy.blahaj.zone 2 points 6 months ago

Not all people know that, to be fair.

[-] DmMacniel@feddit.de 3 points 6 months ago

True. It's not quite common nowadays unless you work in administration or are an enthusiast.

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this post was submitted on 21 Apr 2024
264 points (97.8% liked)

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From Wikipedia, the free encyclopedia

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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