verifying iso images downloaded by jigdo during installation

[TV Sivaraman]

You can verify using the sha1 text file provided at the download site:
sha1sum file.iso | grep -f sha1.txt.
You should be able to see sha1sum signature after this operation. If a blank
line is retuned, means your download image is bad. The above operation takes
a long time depending on your system's speed.
Sivaraman.

2008/5/28 Mohammed El-Afifi <mohammed_elafifi at yahoo.com>:

> I'm downloading the DVD iso images for fedora 9 everything 64-bit using
> jigdo. This spin comes in 4 DVD's. I've finished downloading the first two
> DVD iso images completely. I then tried to install fedora 9 and booted my
> computer using the first DVD.
> Before starting anakonda installer, I've the chance of verifying the
> installation media. When I was prompted for verification, I chose to verify
> the two DVD's I've till now. Actually, this was the sole purpose of running
> the installation DVD, to verify the images I downloaded so far.
> Everything went all right with DVD 1, however DVD 2 was reported to have
> errors. I tried to verify DVD 2 using *jigdo-file* and the template file
> for DVD 2, and *jigdo-file* reported that the image is good.
> The problem can't even be with my DVD burner, because I haven't burned the
> images yet. I used VMWare instead to boot a 64-bit virtual machine using the
> iso files.
> So now DVD 2 is reported to have errors by the verification step in the
> installation process, while *jigdo-file* reports no errors about the
> image.
> Are all the installation media of the everything spin of fedora 9 64-bit
> guaranteed to pass the verification process during installation or just the
> first DVD(probably because it may match the official distribution fedora 9
> 64-bit DVD while the other DVD's aren't part of the official distribution)?
> Is there a method to verify the image externally(with a third tool for
> example) to settle if it's good or not?
> Appreciating your help.
>
>
> --
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> fedora-list at redhat.com
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>



-- 
Dr. T. V. Sivaraman,
Lane No. 5, 46A, Ravindrapuri,
VARANASI - 221005. INDIA
Ph. No. 91-542-2276605
919451273108
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