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Date: Thu, 17 Sep 1998 09:47:11 +0100
From: Scott Mitchell <scott@dcs.qmw.ac.uk>
To: Donald Burr <dburr@pobox.com>, Dave Ason <dgason@mindspring.com>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: Mount a music cd? Mount not root?
References: <360034A0.AECCA795@mindspring.com> <XFMail.980916190353.dburr@pobox.com>
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In-Reply-To: <XFMail.980916190353.dburr@pobox.com>; from Donald Burr on Wed, Sep 16, 1998 at 07:03:53PM -0700
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On Wed, Sep 16, 1998 at 07:03:53PM -0700, Donald Burr wrote:
> My secret spy satellite informs me that on 16-Sep-98, Dave Ason wrote:
> > Hi there,
> > 
> >     I've got two questions related to mounting file systems.
> >     1)How do you mount a music cd? I've tried it with the -t cd9660
> > option as with data cd's but with no luck.
> 
> Uhh, you can't.  Audio CD's can only be played.  If you want to grab the
> digital data off of an audio CD and stuff it on your hard drive, use the
> /usr/ports/audio/tosha port.
> 
> >     2)Is it possible for a user who is not root to mount a file system?
> > I'd like to setup a FAT file system so that any user can mount it read
> > only.
> 
> I don't think so.  Linux has the "user" mount option to do this, but
> (AFAIK) FreeBSD does not.
> 
> There is a little trick you can use, though, to get around this.  Just make
> the /sbin/mount and /sbin/umount binaries setuid to root, chgrp it to a
> group (make a new group "mounters" for this purpose), then make these
> executables NOT executable by everyone else.  Then, to allow a user to
> mount and unmount stuff, just add him/her to the "mounters" group.  The
> permissions of the binaries should look like this:
> 
> -r-s--x---   1 root     mounters    73728 Jul 22 01:13 /sbin/mount*
> -r-s--x---   1 root     mounters   126976 Jul 22 01:13 /sbin/umount*

Or use the automounter (amd).  A scan through the mail archives over the
last six months or so should reveal numerous messages explaining how to do
this.

HTH,

	Scott.

-- 
===========================================================================
Scott Mitchell          | PGP Key ID |"If I can't have my coffee, I'm just 
<scott@dcs.qmw.ac.uk>   | 0x54B171B9 | like a dried up piece of roast goat"
QMW College, London, UK | 0xAA775B8B |     -- J. S. Bach.

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