verifying the boot.iso for fedora 15

[Joel Rees]

Ah!

On Wed, Apr 6, 2011 at 11:33 AM, Ed Greshko <Ed.Greshko at greshko.com> wrote:
> On 04/06/2011 10:22 AM, Joel Rees wrote:
>> Okay, Trying to verify the alpha netinst.iso, I seem to have forgotten
>> the way these files work, again.
>
> Step 1 is to verify the signature on the CHECKSUM file....
>
> gpg --verify *-CHECKSUM
>
> That gives you confidence that the data in that file comes from where it
> is supposed to come from and that the information is unaltered.
>
> Step 2 is to run sha2456 against the iso file and verify it against what
> is in the CHECKSUM file.
>
> sha256sum -c Fedora-15-Alpha-i386-CHECKSUM

That's where my confusion was.

sha256sum -c is what was doing the lookup and check. That's where my
memory of an automated check came from.

Which is a bit better than eyeballing because, even when you put one
above the other, sometimes you just get tired.

Thanks.

零石

> --
> People humiliating a salami! 葛斯克 愛德華 / 台北市八德路四段