Date: 12 Mar 2004 09:21:33 -0500 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: Nathan Kinkade <nkinkade@ub.edu.bz> Cc: FreeBSD Mailing list <freebsd-questions@freebsd.org> Subject: Re: mount an ISO image on rw mode Message-ID: <44llm6m9hu.fsf@be-well.ilk.org> In-Reply-To: <20040311144030.GC858@nkinkade.bmp.ub> References: <20040311103035.GA95376@ns2.wananchi.com> <20040311144030.GC858@nkinkade.bmp.ub>
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Nathan Kinkade <nkinkade@ub.edu.bz> writes: > On Thu, Mar 11, 2004 at 01:30:35PM +0300, Odhiambo Washington wrote: > > Hello users, > > > > Perhaps I am just being stupid, doing a lot of things at the same time, > > thus losing it. > > Am I just dreaming by imagining that I can mount an ISO image with write > > access? > > > > I have done > > > > [root@ns2]#vnconfig /dev/vn0c /wananchi/FreeSBIE-1.0-i386.iso > > [root@ns2]#mount_cd9660 /dev/vn0c /freesbie > > > > This mounts the image in read-only mode. However, I would like to modify > > a few files on the image before writing it to a CD. > > > > The man page for mount says that I could use -o -w to achieve a write > > mode. Does this also apply to ISO iamages? I was thinking that once > > mounted, they should behave like regular files, no? > > > > -Wash > > I don't have an answer to this, but wanted to chime in because I have > had the same issue in the past. I had once heard a friend tell me that > he used to create ISO images in this very way in Linux by mounting an > ISO image on a (Linux) loop device and then copy files to the image. It > seems like it could be a flexible and convenient way to quickly create > an ISO image at random, but I've never been able to get FreeBSD to mount > and ISO image rw using either vnconfig or mdconfig. Maybe there are > some practical considerations that we are overlooking? The only way I can think of to do that would potentially re-write the entire ISO image on every write...
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