Fedora 12 Installation problem
Patrick Bartek
bartek047 at yahoo.com
Mon Feb 1 21:41:14 UTC 2010
--- On Sun, 1/31/10, Tony Nelson <tonynelson at georgeanelson.com> wrote:
> On 10-01-31 18:51:00, Patrick Bartek
> wrote:
> > --- On Sun, 1/31/10, Tony Nelson <tonynelson at georgeanelson.com>
>
> > wrote:
> ...
> > > All disks always fail the built-in test here, due
> to the
> > > permanent kernel bug. A more robust test is:
> > >
> > > # cmp /dev/dvd /path/to/iso
> >
> > You can also verify the burn by
> >
> > sha256sum /dev/dvd (or whatever your
> burner is designated)
> >
> > Just like you verify the ISO file. Remember in
> Linux "everything is
> > a file." ;-)
>
> Yes, that's why cmp works too. It has the advantage
> of saying where
> the error is. Also, your method still leaves two long
> strings to
> compare.
I remember at one time being able to have the checksum program compare the results to the checksum file. Worked great when you were summing a dozen CDs, but can't seem to find the documentation on that feature right now.
Anyway, it only takes me about 15 seconds to manually do the comparison, since I checksum the ISO in a terminal, then checksum the burn in the same terminal. The two sums are only separated by a couple lines making it easy to see any differences.
B
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