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I just installed debian and i have many problems
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this post was submitted on 13 Oct 2023
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Group permissions from the /etc/group file get assigned at login. Each process will inherit group memberships from its parent.
You can see them for a process (self being the current process) in:
The gids there correspond to the gids in /etc/group.
That's why the need to log out the user in question after adding the user to a group, unless you're gonna use
sgor similar to add that gid and then have all your new processes started by that process that you just started with the new gid.You'll see this with all user memberships in groups on Linux. It's not behavior specific to Debian or specific to membership in the wheel or sudo group.