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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).

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[Q] Removing/deep cleanup of installed package doesn't work as expected. (remove, purge, autoremove) (lemmy.world)

submitted 11 months ago by [email protected] to c/[email protected]

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Hi everyone :)

After installing the emacs package and trying to remove it afterwards:

sudo apt remove --purge --autoremove emacs

It only removed that package and not the other dependencies installed with it (emacs-gtk, emacs-common...). I had to manually remove them one-by-one.

Isn't that command supposed:

remove package
it's configuration files
remove unused packages automatically installed ?

What am I missing here?

Also after reading the Stupid things you've done that broke your Linux installation post, I read a lot of people messing up their debian system after using the above command... So I assume that's not the correct way of doing things in Linux?

Some insight from experienced user would be great :)

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[–] [email protected] 1 points 11 months ago (1 children)

Thank you very much for your enlighten answer :D !

Removing emacs-gtk itself will work as you expect

Yes that's what I found out with apt show emacs-gtk, it shows all the dependencies but I found it quiet odd behavior (lack of knowledge).

I wasn't aware of metapackages, something new to put into my knowledge database.

Edit: While writing my replay and searching through the web and my console, even though I wouldn't have had understood it while reading it... It actually tells me in the description that emacs is a metapackage... Bad reading skills :/ sorry about that !

Description: GNU Emacs editor (metapackage) GNU Emacs is the extensible self-documenting text editor. This is a metapackage that will always depend on the latest recommended Emacs variant (currently emacs-gtk).

If you don't mind I have a last question. Imagine I want to remove docker-ce, which depends on iptables among others, if I sudo apt remove --purge --autoremove docker-ce, this isn't going to remove iptables and break my system right? Because it's used by other packages, system... I guess, no?

I think a more general question would be how can I be sure I not going to fuck my system while removing packages? Maybe I'm to paranoïd and today it's relatively safe to do so, compared to years ago??

Thank you :)

[–] [email protected] 2 points 11 months ago

If something else depends on it then it shouldn’t be removed, it’s only removing things that are not used elsewhere.

Usually just reading through the packages it’s listing and double check what it’s doing is enough. If something is removing a ton of gnome and you’re not trying to remove gnome, that would be an issue. If something is trying to remove the kernel (unless it’s an old kernel) or grub that’s also worth digging into. I’ve never run into problems with it, I don’t think it’s common these days.