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Date:      Mon, 23 Apr 2007 21:44:10 +0200
From:      Martin Tournoij <carpetsmoker@xs4all.nl>
To:        freebsd-questions@freebsd.org
Cc:        pauls@utdallas.edu
Subject:   Re: Mount an iso image?
Message-ID:  <20070423194410.GA50136@glitch.rwxrwxrwx.net>
In-Reply-To: <20070423203640.21c494c7@gumby.homeunix.com>
References:  <48CA2894022F35F0D83C3AFD@utd59514.utdallas.edu> <20070423191854.GD49993@glitch.rwxrwxrwx.net> <20070423203640.21c494c7@gumby.homeunix.com>

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On Mon 23 Apr 2007 20:04, RW wrote:
> On Mon, 23 Apr 2007 21:18:55 +0200
> Martin Tournoij <carpetsmoker@xs4all.nl> wrote:
> 
> > On Mon 23 Apr 2007 14:04, Paul Schmehl wrote:
> > > Is it possible to mount an iso image?  I'm not referring to a cd,
> > > but a single file that has been created using mkisofs.  If so, what
> > > command would you use?  mount_cd9660 wants a block device.  Do I
> > > need to use some sort of pseudo block device?
> > > 
> > > Paul Schmehl (pauls@utdallas.edu)
> > > Senior Information Security Analyst
> > > The University of Texas at Dallas
> > > http://www.utdallas.edu/ir/security/
> > 
> > To mount a iso image:
> > mdconfig -at nvode -f MYIMAGE.ISO
> > mount_cd9960 /dev/md0 /somewhere
> > 
> 
> I notice no-one is recommending it be mounted read-only. Is it implicit
> for cd9960, or can an iso be modified this way?

cd9660 can only mount read-only:
$ mount_cd9660 -o rw /dev/md0 /mnt/md0/
$ mount | grep cd9660
$ dev/md0 on /mnt/md0 (cd9660, local, read-only)

Note that I made a typing error in my previous email, 'nvode' should
be 'vnode'

--Martin



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