Add existing user into an existing group

a2156z · #1 (**permalink**) 03-05-2009

Pre: no gpasswd/adduser

there is just usermod can be used, also there is no -a option for usermod.

How should I add a user into a group?

jlliagre · #2 (**permalink**) 03-05-2009

"usermod -G group user"

frozentin · #3 (**permalink**) 03-05-2009

edit the /etc/group file and you will be good to go.

jlliagre · #4 (**permalink**) 03-05-2009

Yes, vi is what I would use. Here is something that should work if scripting is a requirement. I misunderstood the question in my first answer.

Code:

usermod -G $(groups user| sed -e 's/.*: *//' -e 's/  */,/g'),group user

frozentin · #5 (**permalink**) 03-05-2009

Quote:

Originally Posted by jlliagre

Yes, vi is what I would use. Here is something that should work if scripting is a requirement. I misunderstood the question in my first answer.

Code:

usermod -G $(groups user| sed -e 's/.*: *//' -e 's/  */,/g'),group user

THAT took me 17 minutes to decipher. Now I know why I love VEE EYE

But, at work I usually use a combination of cut and tr to achieve the same; switching to this from now on. Thanks!

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