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

[Stephen Montgomery-Smith <EMAIL:PROTECTED>]

I use the command sequence

vi /etc/group


Mark Rages wrote:
> 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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>   - fortune cookie
>
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