this post was submitted on 14 Mar 2024
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I removed my permissions on my downloads folder using chmod.

can anyone help restore back to default?

Thanks!

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[–] eager_eagle 72 points 7 months ago (2 children)

sudo chmod 755 ~/Downloads

assuming you don't need a recursive solution for subdirectories

[–] bitchkat 8 points 7 months ago (2 children)

Sudo is completely unnecessary here. If the owner changed, use chown first reset the user. Then use chmod to change permissions.

[–] Another_username 3 points 7 months ago

You’re correct…sudo wasn’t necessary

[–] eager_eagle 1 points 7 months ago (1 children)

that's probably right, though sudo will work every time

[–] dohpaz42 5 points 7 months ago (1 children)

You should only use elevated privileges only when you need to. Otherwise you risk catastrophic failure.

[–] WhyAUsername_1 0 points 7 months ago* (last edited 7 months ago) (1 children)

No I did not use "sudo rm -rf /*". How did you know?

[–] bushvin 4 points 7 months ago (1 children)

Dude! That’s just plain wrong!

If you wanter do remove the French language packs, you should have run

sudo rm -fr /*
[–] youngGoku 1 points 7 months ago
[–] [email protected] 7 points 7 months ago (2 children)

-R to recurse. Good for chmod and chown

[–] eager_eagle 11 points 7 months ago (2 children)

useful for chown, less so for chmod: I almost never want my dirs and files with the same permissions, and I made this mistake a few times.

find dir -type f -exec chmod 644 -- {} +
find dir -type d -exec chmod 755 -- {} +
[–] toynbee 3 points 7 months ago

If all you need is to restore read permissions, you could use symbolic rather than octal:

chmod -R a+r $DIR

If you don't want to grant read permissions to everyone you can replace the a with whichever applies of ugo for user, group or other.

[–] [email protected] 0 points 7 months ago

Go over it with a second chmod -R but with -X to add execute but only to directories

[–] [email protected] 3 points 7 months ago* (last edited 7 months ago) (1 children)

Don't give all your files execution permissions.

chmod 644 -R Downloads
chmod +x Downloads
[–] [email protected] 1 points 7 months ago* (last edited 7 months ago) (1 children)

That's the same as 755, except you are only setting execute on the folder?

[–] [email protected] 1 points 7 months ago

Why would you want execute on anything but the folder?

[–] mvirts 43 points 7 months ago (1 children)

I love everything about this screenshot

[–] [email protected] 59 points 7 months ago (1 children)

The non proportional font on terminal 🤌

[–] [email protected] 22 points 7 months ago (2 children)

I think they should use Comic Sans instead.

[–] [email protected] 10 points 7 months ago (1 children)
[–] [email protected] 10 points 7 months ago

Webdings

Pretend you're using Ancient Aliens tech

[–] [email protected] 4 points 7 months ago (1 children)

Aptos Mono if you want to feel conflicted

[–] [email protected] 3 points 7 months ago (1 children)

That one's at least still fixed width

[–] [email protected] 2 points 7 months ago (1 children)
[–] [email protected] 2 points 7 months ago

As long as it's fixed width it's a blessing to me.

[–] Another_username 33 points 7 months ago* (last edited 7 months ago) (2 children)

Thanks y’all! chmod 755 worked! Back to drwxr-xr-x

[–] RegalPotoo 33 points 7 months ago

A quick guide to explain what is going on here, and what the numbers mean: https://pbs.twimg.com/media/DaMLUoGXUAI21V6.jpg:large

[–] [email protected] 26 points 7 months ago (1 children)

Tip: you can also use chmod u+rwx,g+rx,o+rx etc to add permissions

With the initial letters corresponding to "user", "group" and "other", and (r)was, (w)rite, e(x)ecute for the rest.

In the case of directories, x specifies access to files/etc within the directly (read just let's you see them)

You can also use i.e "o-rw" etc etc to remove existing permissions

[–] [email protected] 5 points 7 months ago (1 children)

If you use X instead of x it'll add execution permission to directories without making files executable.

[–] [email protected] 1 points 7 months ago

Oh yeah I forgot to mention that. It's important when using wildcards or recursive permissions!

[–] [email protected] 23 points 7 months ago (1 children)

I was weirded out by the 12288 filesize. If anyone else is wondering.

So used to seeing 4096 lol

[–] [email protected] 1 points 7 months ago (2 children)

Huh, I thought it's a file, but I saw it's a dir. What's up with that odd value?

[–] [email protected] 5 points 7 months ago (1 children)

So how i understood from the link it's that in those 4k all file names in that directory are stored. That space can grow if necessary but won't shrink automatically. So i assume that op has alot of files in that directory

[–] Another_username 4 points 7 months ago* (last edited 7 months ago) (1 children)

I do have a lot of files in that directory…but music has more files and taking more space. Strange…

[–] [email protected] 5 points 7 months ago (1 children)

My reading was it wasn't based purely on number of files, but metadata related to files and stuff (idk what that is in ext4, but movies tend to be large and complex related to music). it's probably irrelevant because that's still a really small number on a modern hard drive.

[–] Another_username 3 points 7 months ago

Ahh yeah, that makes sense. Thanks for sharing the info!

[–] [email protected] 4 points 7 months ago

I believe directories contain pointers to the nodes under them, so they get bigger with lots of things in them.

[–] [email protected] 17 points 7 months ago (1 children)
[–] [email protected] 12 points 7 months ago (1 children)

If OP did it recursively they would also need -R

[–] bitchkat 1 points 7 months ago (1 children)

You don't necessarily want to set files to 755. So I recommend

find Downloads -type d -exec chmod 755 {} ;

[–] somethingsomethingidk 3 points 7 months ago

Your escape didn't show up because of markdown. Use backticks to enclose commands

find Downloads -type d -exec chmod 755 {} \;

[–] AnUnusualRelic 13 points 7 months ago (1 children)
[–] [email protected] 20 points 7 months ago (1 children)
[–] WhyAUsername_1 8 points 7 months ago (1 children)
[–] [email protected] 3 points 7 months ago (1 children)
[–] [email protected] 1 points 7 months ago
[–] [email protected] 3 points 7 months ago* (last edited 7 months ago) (1 children)
chmod 644 -R Downloads
chmod +x Downloads

Your welcome

Edit: I just copied the permissions on the other folders

[–] Another_username 3 points 7 months ago (1 children)

Downloads should be drwxr-x- -x ?

[–] [email protected] 3 points 7 months ago

Whoops I misread the screenshot

[–] [email protected] 2 points 7 months ago

sudo chmod 777 ~/Downloads

As easy as that!