On 5 Apr 2003, David Krider wrote:
> On Sat, 2003-04-05 at 02:47, jdow wrote:
> > Use MD5SUM on the /dev/cdrom device.
> > {^_^}
> > ----- Original Message -----
> > From: "M. Fioretti" <m.fioretti@xxxxxxxxx>
> >
> > > I am looking for a *generic* way to verify
> > > on *linux* if a generic CD I got, already burned, matches the ISO
> > > checksum which I found online.
>
> Just using md5sum on /dev/cdrom WILL NOT WORK. The actual burned CD
> image is different from the iso file, but I don't know why. Even using
> md5sum on the SAME CD between 2 different drives will give you different
> answers. I know these things because I just tried this yesterday because
> I wanted to do the same thing Marco wants to do. I *know* I saw the
> proper way to do this online somewhere, but I can't find that
> information now. It was something about doing a dd out to a loopback and
> using md5sum on that???
>
> Unless someone can post the definitive way to do this, the best thing
> you can do, unfortunately, is indeed, like others have said, boot the
> image and perform the tests.
If you cannot do md5sum /dev/cdrom or whatever the dev your cdron is on
and get the correct md5sum then the cd is bad. I have done this for years
and it works.
--
.............Tom "Nothing would please me more than being able to
tdiehl@xxxxxxxxxxxx hire ten programmers and deluge the hobby market
with good software." -- Bill Gates 1976
We are still waiting ....
