this post was submitted on 21 Nov 2024
64 points (97.1% liked)

Linux

48313 readers
779 users here now

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.

Rules

Related Communities

Community icon by Alpár-Etele Méder, licensed under CC BY 3.0

founded 5 years ago
MODERATORS
 

I'm a complete moron, I should've had that backed up and used trash...
I had to learn the hard way lol

all 49 comments
sorted by: hot top controversial new old
[–] xlash123@sh.itjust.works 4 points 19 hours ago

I've started adopting the habit of putting "-rf" as the last argument to avoid accidentally deleting something before I've double-checked my input. Good luck, and may this never happen again.

[–] Zozano@lemy.lol 7 points 22 hours ago* (last edited 22 hours ago) (2 children)

That's why I always:

  • cd .cache
  • ls
  • rm -r *
[–] ExtremeDullard@lemmy.sdf.org 1 points 8 hours ago

rm -r *

Also, if you have to type that, don't use the numpad: / is only one key away from *. If you finger snags the / key on its way to * and you happen to be root, your root partition will go bye-bye.

[–] Peer@discuss.tchncs.de 13 points 22 hours ago (2 children)

Type a space before rm to prevent it from being added to your history to be a extra careful.

[–] Cyber@feddit.uk 2 points 12 hours ago (1 children)

For which shell? I just tried that on a bash system and the command was still stored in .bash_history 😔

[–] Peer@discuss.tchncs.de 1 points 10 hours ago

Set the HISTCONTROLvariable. If it is set to ignorespace then commands entered with a leading-space will not be stored in the history.

[–] wh0_cares@lemmy.blahaj.zone 13 points 21 hours ago (1 children)

Holy shit, I never knew you could do that! I've always really wanted a feature to stop random commands from being added to my history.

[–] Edo78@feddit.it 1 points 8 hours ago

Some shells provide ways to prevent some commands to be added to the history

[–] OneCardboardBox@lemmy.sdf.org 11 points 1 day ago

I once had a directory in /tmp called etc which contained subdirectories for something I was migrating.

I thought that I was in /tmp when I ran rm -rf etc... I was actually in /

[–] ExtremeDullard@lemmy.sdf.org 19 points 1 day ago (3 children)

Here's a rule I learned the hard way a few decades ago:

  • If you type "rm", take you hands off the keyboard and take one deliberate breath before continuing your command.
  • If you then type "-r", do it again.
  • If you then type "-f" do it again.
  • In all cases, re-read what you wrote before hitting ENTER.
[–] JackbyDev@programming.dev 1 points 8 hours ago

-i doesn't exist?

[–] xor@lemmy.blahaj.zone 10 points 1 day ago (3 children)

I'm a big fan of starting the command with a #, then removing it once I'm happy with the command to defend against accidentally hitting enter

Putting ~ next to the enter key on keyboards (at least UK ones) was an evil villain level decision

[–] Zykino@programming.dev 12 points 1 day ago (1 children)

When I'm unsure, I ls <the-glob>, chek, then replace ls with rm.

[–] torgeir@lemmy.ml 4 points 23 hours ago (1 children)

This. When the ls command works, hit ctrl-a, meta-d, type rm, enter.

[–] Zykino@programming.dev 3 points 22 hours ago

Oh, didn't knew about Alt d. Thx

[–] Corr@lemm.ee 3 points 1 day ago

I really like this # idea. I've also taken to holding off on adding sudo when deleting privileged files

[–] ExtremeDullard@lemmy.sdf.org 1 points 1 day ago

I never thought of doing that in 40 years. It's a great idea actually. Thanks!

[–] 30p87@feddit.org 6 points 1 day ago (1 children)
[–] Atemu@lemmy.ml 23 points 1 day ago (1 children)
[–] 30p87@feddit.org 1 points 1 day ago

In the few years of me exclusively using the command line to manage files, even having rm aliased to rm -rf, and at some point to sudo rm -rf, out of convenience, I think it has happened thrice that I deleted the wrong file, and twice I was able to restore it with (hourly) backups. The third time, it was a minecraft world which I had created to test some mods and the server start script, and I had excluded it from backups because my ~/games dir is usually only used by steam.

[–] TGhost@lemm.ee 28 points 1 day ago (1 children)

I’m a complete moron,

You are not,
Every person learning with the hardway isnt a moron,

You have to do, to really learn,

[–] RenardDesMers@lemmy.ml 2 points 1 day ago (1 children)

If you do it again though...

[–] TGhost@lemm.ee 2 points 1 day ago

🫢 🤷‍♀️ I would say, that depend the personnal situation,

But i think, OP learned :)

[–] davel@lemmy.ml 40 points 1 day ago (2 children)

I should’ve […] used trash

For those who don’t know: trash-cli

[–] gazby@lemmy.dbzer0.com 6 points 1 day ago

It upsets me to no end that this isn't a standard package 😭

[–] UnRelatedBurner@sh.itjust.works 4 points 1 day ago (1 children)

What an awesome tool that I wish I knew sooner. Also the && operator in sh. I think you can figure out what happened.

[–] clb92@feddit.dk 4 points 1 day ago* (last edited 1 day ago) (1 children)

Also the && operator in sh. I think you can figure out what happened.

I'm guessing something like... Copy file/dir from location A to location B and then delete from A, but the copy had failed (and the delete unfortunately worked fine)?

I left the last sentence open ended, for comedic effect, but if you really wanna know:

I transcoded videos with ffmpeg, and tried to exit out of the bash script with ctrl C. the script was something like:

for
    ffmpeg file finishedFile;
    rm file;

my ^C broke out only from ffmpeg and before I realized what happened the file got removed and the next ffmpeg call filled my terminal. I tought the key didn't register, or something was stuck, so I pressed it again.. and again.. it cost like 45minutes of footage, wasn't that important tho.

[–] fmstrat@lemmy.nowsci.com 6 points 1 day ago

ZFS and dotfiles are your friend. Sorry for your loss.

[–] GustavoM@lemmy.world 2 points 1 day ago
[–] RenardDesMers@lemmy.ml 5 points 1 day ago (1 children)

Sorry for your loss. I did something similar recently. A script was creating a "~" folder in my notes folder. I wanted to delete it... Thankfully it stopped at some file it couldn't remove and my dotfiles are in git.

[–] ma1w4re@lemm.ee 2 points 13 hours ago* (last edited 13 hours ago) (1 children)

A tip, to delete files that have names similar to variables or other expandables, put the filename in between single ticks like this 'filename'. Single ticks prevent expansion.

[–] RenardDesMers@lemmy.ml 1 points 8 hours ago

Thanks for the tip!

[–] sadTruth@lemmy.hogru.ch 6 points 1 day ago

Tipps to prevent future accidents:

  • Set up BTRFS snapshots with Timeshift or Snapper. Switching to BTRFS is worth it for snapshots alone.
  • Do regular backups on a device that can not be reached by rm: vorta local on external hdd that you connect once a week OR vorta/borg2 to a NAS/Server that does BTRFS snapshots itself OR Nextcloud to sync to a server that has a trashbin OR git to a server. Just remember that Nextcloud and git are unencrypted, so the server has to be secure and trustworthy. Vorta and borg2 can be set up with encryption.

Mistakes are unpreventable due to our error-prone brains, but it is a choice to repeat them.

[–] eldavi@lemmy.ml 16 points 1 day ago

if your session is still running you can use env to help reconstruct it

You're just the latest member of a long and storied fraternity of the best worst operating system architecture.

https://web.mit.edu/~simsong/www/ugh.pdf

One of us...

[–] Dirk@lemmy.ml 4 points 1 day ago

I should’ve had that backed up

Absolutely! IT's time to check out Stow now. With this you can easily manage your configuration and dotfiles (and all other data) in a single location.

https://venthur.de/2021-12-19-managing-dotfiles-with-stow.html

[–] sudoer777@lemmy.ml 0 points 21 hours ago* (last edited 21 hours ago) (1 children)

Use nix home-manager or guix home and put your configs in a git repo (this is my guix home config for reference)

[–] wuphysics87@lemmy.ml 4 points 21 hours ago (1 children)

That's very helpful now. You have added nothing other than to pull the declarative distro equivalent of "I use Arch, BTW" And then link your literal code. For shame. For shame.

[–] sudoer777@lemmy.ml 1 points 20 hours ago* (last edited 20 hours ago)

nix/guix can be used on any distro and it provides a way to organize .config files so that if the .config directory gets deleted or accidentally modified for some reason, restoring it would be very easy. By putting the configuration in a git repo, it also makes it easy to restore previous configurations. I accidentally deleted a bunch of stuff in my .config directory once and that's one of the reason I use this tooling now, so I thought OP would find it helpful also

[–] ryannathans@aussie.zone 3 points 1 day ago

I should have had backups of important files in my home directory

Lessons learned the hard way

[–] circuitfarmer@lemmy.sdf.org 3 points 1 day ago (1 children)
[–] MachineFab812@discuss.tchncs.de 4 points 1 day ago* (last edited 1 day ago) (2 children)

Reason's I never use auto-complete in the terminal. Sadly, that's sometimes not enough.

[–] yum13241@lemm.ee 8 points 1 day ago

just be careful and review what tab-suggest shows.

[–] ryannathans@aussie.zone 4 points 1 day ago

Reasons no have backups more like. No need to make life hard

[–] notprogrammer@programming.dev 3 points 1 day ago (2 children)

Can you say why were you trying to rm -r your .cache anyway? Also RIP.

[–] pineapple@lemmy.ml 7 points 1 day ago

Save space probably

[–] superkret@feddit.org 4 points 1 day ago* (last edited 1 day ago)

Probably the number one cause of borked Linux systems - trying to "de-bloat".