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submitted 11 months ago by Pantherina@feddit.de to c/linuxmemes@lemmy.world
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[-] SpaceNoodle@lemmy.world 98 points 11 months ago

root shell? Already playing it fast and loose, I see.

[-] mlfh@lemmy.ml 63 points 11 months ago

The only legitimate commands for a non-root shell are sudo -i, exit, and echo "yee haw"

[-] Korne127@lemmy.world 12 points 11 months ago
[-] possiblylinux127@lemmy.zip 81 points 11 months ago

Fun fact there was a guy a little over a decade ago who got drunk and traded 7m barrels of oil futures. Not dollars, barrels. He made the price of oil jump up for a short while.

https://www.theguardian.com/business/2010/jun/29/drunk-oil-trader-banned-fsa

[-] DAMunzy@lemmy.dbzer0.com 26 points 11 months ago

Funnier Fact: they had to stack all those barrels behind the corporation's building until they could sell them all.

::I made this up::

[-] fogstormberry 14 points 11 months ago
[-] DAMunzy@lemmy.dbzer0.com 3 points 11 months ago

Artisanal sourced. With an emphasis on anal.

[-] Empricorn@feddit.nl 6 points 11 months ago

Does that butt have any other fun facts up there?

[-] DAMunzy@lemmy.dbzer0.com 4 points 11 months ago* (last edited 11 months ago)

The roller coaster was invented during the Hundred Years’ War as a way of launching supplies across rivers.

Disclaimer: I'm stealing these ~~fake~~ fun facts from other people.

[-] possiblylinux127@lemmy.zip 6 points 11 months ago* (last edited 11 months ago)

Actually a oil future is basically a promise to make oil for a certain price. There are also are vegetable futures

That means the oil wasn't produced yet

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[-] Nollij@sopuli.xyz 59 points 11 months ago

This really isn't dangerous unless you already screwed up badly. If it wipes, you just restore from backup/DR.

You do have backups and a DR plan for your prod servers, right?

[-] Inktvip@lemm.ee 20 points 11 months ago* (last edited 11 months ago)

Didn't some company have a script running that would randomly kill stuff to always test redundancies?

I vaguely recall someone telling me that about netflix

Edit: https://github.com/Netflix/chaosmonkey

[-] mossy_@lemmy.world 12 points 11 months ago

that's like starting fires on random properties to make sure your firefighters stay on their toes

[-] scarilog@lemmy.world 9 points 11 months ago

Ferb, I know what we're gonna do today

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[-] Zorsith 19 points 11 months ago* (last edited 11 months ago)

Sure do! They're on the prod servers and were one of the first things deleted!

[-] Pika@sh.itjust.works 3 points 11 months ago

the backup was connected via /media/backups so that's gone too!

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[-] rikudou@lemmings.world 58 points 11 months ago

I did this once on my laptop with no backups. I was lucky. I also used the correct version with --no-preserve-root.

[-] librecat@lemmy.basedcount.com 55 points 11 months ago

Given that their hand is over the mouse and not the keyboard/enter key, I assume they're gonna click close on the terminal :p

[-] mipadaitu@lemmy.world 29 points 11 months ago

Right click for paste, they have \n in the clipboard

[-] mexicancartel@lemmy.dbzer0.com 8 points 11 months ago

Afaik \n may not run a command. I have pasted multiline commands but they only seem to run after hitting enter

[-] Ghoelian@lemmy.dbzer0.com 7 points 11 months ago

Depends on the terminal I think. Pretty sure KDE's Konsole warns you that commands may be run when pasting something with newlines, but still allows it.

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[-] OsrsNeedsF2P@lemmy.ml 54 points 11 months ago

Obligatory --no-preserve-root

[-] DAMunzy@lemmy.dbzer0.com 19 points 11 months ago

Modern distros today. SMH. Back in my day everyone had root at the office.

[-] mitchty@lemmy.sdf.org 4 points 11 months ago

On ye olde hpux this would work, especially when you did rm-fr /$var and $var was unset and nobody unit tested their shell back then. That db server ran for 2 days though with open file handles before it finally died.

[-] DAMunzy@lemmy.dbzer0.com 2 points 11 months ago* (last edited 11 months ago)

Scene : 1998, Fort Bragg 18th Support Something-or-other, IT department

Date: 11th day of the month sometime before summer. Let's assume May.

Young Specialist looks at wall clock. Looks at time on the system. "I can fix that!"

Should I man date first? Fuck that, let's just do it!

Proceeds to set the time in the HP Unix minicomputer that handled all supply orders for the non Special Operations side of Fort Bragg.

Oops, set date to November 5th but with the correct time. No problem, we'll just run that date command again and flip the 5 and the 11 around. All fixed! Back to May 11th.

Comes into work the next day wondering why everyone is running around like crazy. All the processes have kicked off and are waiting for November to run again.

Ut-oh. Comes clean to NCOIC.

Aftermath: root was taken from all junior enlisted (good move) and only Staff Sergeants and above had it l. Oh, also the outside IT professional/Army civilian I assume.

Young Specialist gets written counseling (which was bullshit BTW- I made an honest mistake) and not UCMJ supposedly because I was going off to Kuwait for PCS (Permanent Change of Station) soon. Not allowed back on system.

Disclaimer: might have happened in June but either way I'm pretty sure I set the date to November and I know I got the date command order wrong at least once.

[-] Bishma@discuss.tchncs.de 39 points 11 months ago

change it to != cowards!

[-] Andrew15_5@mander.xyz 22 points 11 months ago
[-] Morphit@feddit.uk 18 points 11 months ago

Huh, it's the same as $(( )) - arithmetic expansion.
I think it's deprecated and not in the bash manual, but it still seems to work.

[-] Andrew15_5@mander.xyz 17 points 11 months ago

It is? Weird. I know about deprecated backticks, but this... I guess it's so deprecated that very few people know about this. Now a bit more.

[-] lobsticle@lemmy.world 16 points 11 months ago

As an old Perl jockey, you can pry my backticks out of my cold, dead hands.

[-] comador@lemmy.world 6 points 11 months ago* (last edited 11 months ago)

Daily Linux user since Slackware 95, news to me too lol

[-] fmstrat@lemmy.nowsci.com 4 points 11 months ago

Same camp, and know bash very, very, well. Crazy how you can always learn.

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[-] smb@lemmy.ml 19 points 11 months ago
 HISTCONTROL=ignorespace
 unset RANDOM
 RANDOM=4
 clear
...

If RANDOM is unset, it loses its special properties, even if it is subsequently reset.

HISTCONTROL If the list of values includes ignorespace, lines which begin with a space character are not saved in the history list.

RTFM can save your server AND your bet ;-)

it is cheating of course if the predefined rules tell us about such requirements and if these are not met any more when unsetting RANDOM ahead of it.

[-] GravelPieceOfSword@lemmy.ca 19 points 11 months ago

Cowards version:

[ $[ $RANDOM % 6 ] == 0 ] && echo 'rm -fr /... you crazy dude? NO' || echo 'Keep your french language pack, you will need it'

[-] Artyom@lemm.ee 18 points 11 months ago

This is why you use virtual machines, anyone can be root!

[-] possiblylinux127@lemmy.zip 3 points 11 months ago

Or just to have a modular, secure and private system.

[-] Klear@lemmy.world 2 points 11 months ago

We are root!

[-] mitchty@lemmy.sdf.org 5 points 11 months ago

Jokes on you, I use zsh, your silly bashisms have no power here.

[-] palordrolap@kbin.social 3 points 11 months ago

Are you sure it doesn't work on zsh? It's valid POSIX shell code, and like bash, zsh is a superset of POSIX, at least if I remember correctly.

This is not to goad you into destroying your filesystem. Replace the rm with something relatively harmless like echo "BANG! You're dead!" if you decide to test it.

[-] mitchty@lemmy.sdf.org 1 points 11 months ago* (last edited 11 months ago)

Key here is the outer [] and interaction of $[], test doesn't have == by default in standard posix, so no this isn't posix shell or bourne compatible. Tis but another bashism. I could probably force zsh into a more bourne mode to try it but its definitely not portable bourne shell its bash.

$ [ $[ $RANDOM % 6 ] == 0 ] && echo rm || echo ok
zsh: = not found
$ zsh --version
zsh 5.9 (x86_64-pc-linux-gnu)

== should be -eq for this to be posix/bourne portable, you could use = but -eq is for numeric comparisons so not quite right.

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[-] mvirts@lemmy.world 5 points 11 months ago

in 2024 this should rewrite history in all your githib repos to destroy wverything next fetch

[-] ordellrb@lemmy.world 3 points 11 months ago

Does "rm /" include external drives under /media/$USER/* or /run/media/ ?

[-] Emerald@lemmy.world 2 points 11 months ago
[-] CookieOfFortune@lemmy.world 2 points 11 months ago

Hmm I thought you only spin once so there’s eventually a guaranteed shot. The 6 should decrement after each execution.

[-] Lifter@discuss.tchncs.de 2 points 11 months ago

That's not how randomness works. You would want to randomize once, saving the number of steps remaining until the bullet is the next shot, decrementing the number of steps for each try.

[-] Asudox@lemmy.world 1 points 11 months ago

Truly the "Linux Roulette".

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this post was submitted on 27 Mar 2024
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