usermod -a -G group user not work
1291
I added a user to a group, but group permissions on files still have no effect
58509
Error message id: cannot find name for group ID after logging in
119745
How to add user to a group from Mac OS X command line?
85301
"meta user" link doesn't work for all users
128666
"Log in to Community as User" Button Missing
69419
How to add a user without /home?
11036
Changed permissions of / to user
146076
Change group policy using windows CMD
10167
How to hide users from the GDM login screen?
77374
Active login not recognized on Super User
111736
How can I change a user's default group in Linux?
141307
Cannot send a message to moderator
157626
SSH allow windows AD groups(with Special charactors)
52627
Change default user for authentication
132234
setfacl incorrectly changes group permissions
50538
Why does chmod +w not give write permission to other(o)
7523
Wrongly set chmod / 777. Problems?