Adding a user to a group


 
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# 1  
Old 03-04-2010
Adding a user to a group

Hello guys!!

If a user is already created on a server, how do you add them to another group?

The useradd command? If so then would that duplicate the user account on the server?

Thanks
Bigben
# 2  
Old 03-05-2010
It depends on your OS.

Perhaps usermod?
# 3  
Old 03-05-2010
My OS is HPUX...

Thanks in advance for the help!
# 4  
Old 03-05-2010
It's still usermod (probably! I haven't used HPUX in a long time, but there is a man page for usermod that indicates we're onto something here).

Check the man page.

On Red Hat, I just ran:
Code:
# usermod -G gdm root

# id root
uid=0(root) gid=0(root) groups=0(root),42(gdm)  ...

The usage might not be the same on HP, which is why you should read the manual page.
# 5  
Old 03-05-2010
On debian :
Code:
adduser user group

add user to group if user already exists
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