this post was submitted on 21 Apr 2024
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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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[–] Analog@lemmy.ml 3 points 7 months ago

shutdown -h now on the wrong machine. Should have been “-r”. No IPMI but important enough to force me to drive to the office at night.

Ever since, I force myself to wait a couple seconds before sending any shutdown command, and tend to use reboot instead.

[–] endhits@lemmy.world 2 points 7 months ago (5 children)

Tried to use Manjaro at some point. What a horrible distribution.

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[–] luciferofastora@lemmy.zip 2 points 7 months ago* (last edited 7 months ago)

I footgunned myself with iptables once and couldn't even google how to fix it. (Well, I could with my phone, just not the convenient google - copy - paste - run workflow)

I don't remember the details, but I was trying to control internet access of a VM guest and ended up controlling my own too.

[–] notthebees@reddthat.com 2 points 7 months ago

Mine was wiping my vps while backing it up. Luckily for me I only lost some files that I could easily replace.

[–] No1@aussie.zone 2 points 7 months ago

I tried upgrading instead of a fresh install.

Needless to say, I ended up doing a fresh install eventually...

[–] tiita@lemmy.world 2 points 7 months ago

Rermoved the Wireless card drivers while troubleshooting the Internet connection..

[–] konsn@lemmy.world 2 points 7 months ago

One time on Manjaro i had a dependency issue regarding python3. So i just removed it. The I watched in horror as i saw what packages depend on python3, including pacman and manjaro-system, but did not dare to interrupt the process and end up with a half-broken system, and my curiosity wanted to see it play out. Then I rebooted, and thus legally turned my Manjaro system into a half-working Arch install. It even displayed the OS as Arch Linux. Still managed to fix it without reinstalling by downloading the package files from http mirrors, but if i was smart the entire thing should have taken 5 minutes instead of a full afternoon. Was a valuable learning experience tho

[–] Petter1@lemm.ee 2 points 7 months ago

I activated aur in majoro. Twice.

Now I use endeavourOS to install my arch.btw, lol

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