[PLUG] using dd

[Zot O'Connor]

On Fri, 2004-02-13 at 11:16, Vincent Yau wrote:
> Zot:
> 
> I did that dd originally as mentioned in my original email
> and it did not work.   My iso was only 40 MB


I meant on a cdrom you know is good (mountable).

It should be 600MBs or so.

check df.

> 
> 
> 
> 
> >From: Zot O'Connor <zot at whiteknighthackers.com>
> >Reply-To: plug at lists.pdxlinux.org
> >To: PLUG LIST <plug at lists.pdxlinux.org>
> >Subject: Re: [PLUG] using dd
> >Date: Fri, 13 Feb 2004 11:03:54 -0800
> >
> >On Fri, 2004-02-13 at 10:50, Rich Shepard wrote:
> > > On Fri, 13 Feb 2004, Vincent Yau wrote:
> > >
> > > > I have a bunch of VCD format movies in CD that I want to dd out
> > > > to my harddrive as iso.
> > > >
> > > > So I did this:
> > > >
> > > >    mount /dev/cdrom
> > > >   dd if=/dev/cdrom of=/usr/local/cdfile.iso
> > >
> > >   See related thread from a couple of days ago. Then read 'man mkisofs'
> > > before reading 'man cdrecord'.
> > >
> >
> >Ahhhh
> >
> >You and cooper are wrong here.
> >
> >
> >This *should* have worked perfectly.
> >
> >as Rich said, dd is a "bit copy" which means it will use the file system
> >from the VCD.
> >
> >Now, the question is, is a VCD a iso filesystem?  According this it is:
> >
> >http://www.vcdimager.org/documentation.phtml
> >
> >
> >Which begs the question can you just mount it, and pull the mpegs of
> >directly?
> >
> >If so, than something foobared with dd.
> >
> >As a test get a good cdrom, and
> >
> >dd if=/dev/cdrom of=/tmp/test.iso
> >
> >You do have 600Mb of disk space right?
> >
> >
> >
> >
> > >   dd is a bit-by-bit copy. It does not make an iso file system. CD-rom
> > > drives expect an ISO file system on their media.
> > >
> > > Rich
> >--
> >Zot O'Connor
> >
> >http://www.ZotConsulting.com
> >http://www.WhiteKnightHackers.com
> >
> >
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-- 
Zot O'Connor

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