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From: "jon ewing" <jon AT mediasurface DOT com>
To: <cygwin AT cygwin DOT com>
Subject: RE: /etc/passwd and /etc/group question
Date: Tue, 4 Mar 2003 06:41:15 -0000
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> > Hi,
> >
> > I'm having problems assigning users to multiple groups under cygwin 
> > (latest build under XP on ntfs with ntsec).
> >
> > My /etc/passwd file contains:
> > [snip]
> > and my /etc/group contains:
> > [snip]
> >
> > I want to add the 'root' user to the 'dev' group. Currently, if the 
> > root user runs groups:
> >
> > root AT shuttle (/root) % groups
> > admin None Users
> >
> > I thought that if I modify the 7th line of the /etc/group file to:
> >
> > dev:S-1-5-32-547:547:root
> >
> > then root would be added to the dev group. This doesn't 
> work. However, 
> > I can't figure out how Cygwin is storing group information 
> as no users 
> > are listed in the /etc/group file against any group, yet 
> groups knows 
> > that root is in three different groups.
> >
> > Can anyone tell me where I'm going wrong?
> >
> > thanks.
> > jon.
> 
> Jon,
> 
> IIRC, on NT-based systems Cygwin uses the OS itself to store 
> passwords, group affiliations, etc.  The only thing you *can* 
> change by editing /etc/passwd is the user's primary group.  
> Use Windows tools to add user "root" to group "dev".
> 	Igor

Works great. I *really* should have thought of that :(

Thanks,

jon.



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