Create group, add users to group, create a new directory, chown it to the group, chmod g+s and done.
this post was submitted on 27 Oct 2023
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Best solution.
You'll also need umask for each user to be 002 for it to work transparently.
Why are you making this so complicated?
Create a shared directory outside of home. Put both users into a group. Make sure that the directory and the files created inside it are owned and writeable by that shared group.
Read up on permissions and ACLs for more on doing this. (I'm being deliberately vague on specifics here because I always seem to fuck up the details here and need to go back to the manuals anyway.)
Home is for your stuff. It is possible to setup sharing of stuff from within home, but there are always going to be more problems with this route because it's designed to be private by default.
You can't hardlink directories. Hardlinking files wouldn't help anyway because each link would get identical permissions. I can't even hardlink at all between home directories on my system because each home directory is a separate filesystem.
Hmm I like Nextcloud and Flatpak apps accessing my files. Not sure about other directoris, but /var/shared/work could fit on immutable OSses
What does an immutable OS, flatpak, or Nextcloud have to do with basic file permissions between users on the same machine? You still need to learn how basic permissions work with any of those in order to get them working properly anyway.
You could put users in the same group, and give some folders group permissions.
This is the way.
This is the way.
Aside from the group suggestions, you could also use ACLs. https://wiki.archlinux.org/title/Access_Control_Lists
I could hardlink folders from one user to another
I don't think you could, afaik hardlinks are only allowed for files. You might be able to something similar with a bind mount though.
Personally I keep those kind of folders outside a single user's home dir. On one computer I have /home/Shared (not a real user, I just put the folder there.. no idea if it's a bad idea, but noone else is going to be creating users on that computer anyway).