Add the sticky group bit to the directory so that new files are created with the group of the directory.
chmod 2775 /path/to/samba/public```
Now any new file will have group "users".
this post was submitted on 28 Sep 2023
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Samba is a pipe of sorts... those settings only apply to files created using that pipe.
SSH is a different pipe, with different configuration. I think you need to modify the umask of the user connecting via ssh and/or add them to a samba group.
umask seems to only set the permissions, not the ownership. But ownership seems to be necessary to delete files.
... which is why you also need to join the samba group.
The user is in that group, but files are (by default) owned by the user (that is, the group of the same name as the user, I'm not sure, what the wording is).
However, at least it seems to currently work somewhat. I had to chown and umask the entire share, and then restart the machine. Maybe some dangling session interfered?
Untested Evil Method, Not Really Recommended: format the backing file system in vfat, which has no notion of file ownership.
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I'm not 100% sure on this, but there's a config in the general which tells samba which user to use, if none is defined it uses nobody. I assume that if you change that to the same user you use via SSH it should work.
That being said, what you're seeing is expected, it's complaining that you copied files as user A to a public directory and now user B can't delete them unless user A sets the files as read/write for everyone (chmod) or transfers ownership (chown). There's a thing called ACL's that should allow you to set the permissions to the same as the parent folder so you can have everything be 777, but I've never used it so can't really help, however with the name you should be able to find some examples on the internet.
force user = sambapub
force group = users
This should set the user, and it's exactly what I'm seeing if I copy files over via smb. I'm aware, that it's kind if expected, but not what is intended (by me).
Are you using the sambapub user to SSH the files into the folder? I thought that the force user refered to a samba user, not a Linux user.
My hacky way was to make sure group ID on each computer matches and have the directory writable by the group. I also make sure user ID is different so I can identify who created it. It was easy for me because I only have to worry about 2 computers plus my NAS.