Getting into a new group
You know, … you just got this new floppy disk with very important material but you cannot access it because you’re not in the system’s
floppy group and, thus, you’re not allowed to access the floppy device. Solution is easy: add your current user to the
floppy group! Sounds easy, doesn’t it? The annoying thing is that those changes won’t take affect in the current session. You need to log out and log in again – quite annoying, especially if you’re into something with lots of windows and stuff. Just happened to me with docker again..
However, there are two methods to get into the new groups without the need to kill the current session:
- su yourself: let’s say your username is
mynameyou just need to
su mynameto get a prompt with the new group memberships.
- ssh localhost: that also gives you a new session with updated affiliations.
That way, you do not need to start a new session. However, you still need to start all applications/tools from that terminal - might be odd to those who are used to the gnome/kde menues.. :)
Display group membership:
Add a new system group:
Add a user to a group:
useradd -G GROUPNAME USERNAME
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