RE: [MLUG] Simple command to add a user to a group?

["Pepper, Mike" <EMAIL:PROTECTED>]

I know that it is a simple affair in SuSE's YAST, but I don't know the
command line verbage, and I don't know about other distros.

Mike

-----Original Message-----
From: EMAIL:PROTECTED
[mailto:EMAIL:PROTECTED] On Behalf Of Mark Rages
Sent: Friday, January 13, 2006 11:17 PM
To: MLUG Members
Subject: [MLUG] Simple command to add a user to a group?

Here's a message I wrote to a specialty mailing list.

Does anyone in MLUG know a simple way to add a user to a group, while
leaving the user in the groups he already belongs to?

Regards,
Mark
EMAIL:PROTECTED

---------- Forwarded message ----------
From: Mark Rages <EMAIL:PROTECTED>
Date: Jan 13, 2006 11:13 PM
Subject: Re: pyk hotplug scripts and usermod
To: EMAIL:PROTECTED


On 1/13/06, Xiaofan Chen <EMAIL:PROTECTED> wrote:
>
> I was using Mark's hotplug script from pyk-0.3.1 so that I can run
> pk2 and pyk as a normal user under Linux. Then I need to
> create a group named pickit and add myself to the pickit group.
>
> So I followed the prompt and issued the cpmmand
> "usermod -G pickit mcuee" which kicks me out of all the groups
> I am in. Other than manually doing "usermod -G pickit,admin,
> audio,someothergroups mcuee", what can I do?
>
> Of course I can use the GUI to do this. But I am a bit interested
> to know how to do this using bash.
>

I would also like to know if there is a simple command to do this.

You can use 'groups' or 'id -Gn' to list the groups you are in.

So I can add 'markrages' to the 'pickit' group like this:
# usermod -G pickit,`id -Gn markrages | tr ' ' ,` markrages

The tr ' ' , is to replace spaces with commas.

But that is a hackish way to do it.  Such a common task should have a
simple command.  I will ask my Linux User Group about this.

Regards,
Mark
EMAIL:PROTECTED
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