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Removing users from groups

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Operating Systems Solaris Removing users from groups
# 1  
Old 10-26-2009
Removing users from groups
How do I remove a user from a group? I'm using the usermod command but its not working.
I have a user "abc" who is a member of the groups root and other. I'm trying to remove him from the group "other" (using CLI) which is his secondary group but it's not working.
How do I do this? Is there any other command that I am supposed to use instead of usermod??
# 2  
Old 10-27-2009
Code:
vi /etc/group

# 3  
Old 10-27-2009
Ur doing right ... Do with usermod -g <Primary> -G <Secondry> <Username>

the above should work with out any proble..

=Hari.A.
# 4  
Old 10-27-2009
Well, it's not working. That's why I ended up posting it here!! Let me rephrase my doubt. I don't want make the user a member of any secondary group. He should continue to be a member of the primary group but I want to delete him from his secondary group. Usermod is not working.
# 5  
Old 10-27-2009
Again, as I'm afraid you missed it:
Code:
vi /etc/group

# 6  
Old 10-27-2009
Hey jlliagre,
I saw that the first time you posted.
Two issues:
1. I'm trying to find out if I can do it using usermod.
2. I have no clue how to edit the /etc/group to remove a user from there. The entry in the file is [other::1:]
So, here I am scratching my head how to edit that and remove him from the group!!

---------- Post updated at 03:50 PM ---------- Previous update was at 03:45 PM ----------

In case if my command worked and removed the user from the group, why is it still showing the group 'other' when I say [groups user]??? I'm totally lost!!

---------- Post updated at 07:32 PM ---------- Previous update was at 03:50 PM ----------

Guys,
Thanks for your support and all the suggestions. The user "was" removed from the group but it was only updated after reboot. I think I'll give it a break before I start to think why I needed a reboot!!

---------- Post updated at 07:33 PM ---------- Previous update was at 07:32 PM ----------

Guys,
Thanks for your support and all the suggestions. The user "was" removed from the group but it was only updated after reboot. I think I'll give it a break before I start to think why I needed a reboot!!
# 7  
Old 10-28-2009
This is odd. Changing group users in /etc/group shouldn't require a reboot. It doesn't here.
Another tip, after editing that file, run the grpck command (and pwck after editing /etc/passwd).
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