Re: What am I missing here? (sha256sum)

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On 09/21/2010 05:14 PM, Tom Horsley wrote:
> I just downloaded the f14 RC3 iso and the checksum file from
> the same directory:
> 
> zooty> ls -l
> total 3443676
> -rw-r--r-- 1 tom users        740 Sep 21 00:59 Fedora-14-Beta-x86_64-CHECKSUM

I think this file only contains the checksums of the downloadable ISO's
as normal text:


# The image checksum(s) are generated with sha256sum.
24d764247508f18c19fdceb2d9f2bf714e3615a722f20c64a0ed365f3b7af885
*Fedora-14-Beta-x86_64-DVD.iso
c23f0b64cd93cd2f584b3b80a72636e77465010b04881080382727467f6b90fe
*Fedora-14-Beta-x86_64-disc1.iso
d5a2bea3037d1e1a6832ef6bd25fb14b42a11cd2f735eb72f2cb63d54d8c7cc0
*Fedora-14-Beta-x86_64-disc2.iso
f14e6964b448e7ac4f22da70d5327c38e12c8e33bca4dbf4442cdfef51b33c93
*Fedora-14-Beta-x86_64-disc3.iso
a93cfa02e64ad329deabc4aa676379b3784ec5fb95ab5ce5924523f20ad3d484
*Fedora-14-Beta-x86_64-disc4.iso
b8214167644383e808b7e02050500617685fba4d5ec2552919d473c12f1915a1
*Fedora-14-Beta-x86_64-disc5.iso
aa170fab83bc78a59c6c48320741da6d0d40a79e6aeb62f0b3c2dad464e3e5c7
*Fedora-14-Beta-x86_64-netinst.iso



So the checksum you have computed is correct: identical with the 2nd
line in the checksum file.


> -rw-r--r-- 1 tom users 3517335568 Sep 21 11:00 Fedora-14-Beta-x86_64-DVD.iso
> -rw-r--r-- 1 tom users    5526034 Sep 21 11:00 temp.get
> 
> When I check the checksum, I get this:
> 
> zooty> sha256sum -c Fedora-14-Beta-x86_64-CHECKSUM 
> Fedora-14-Beta-x86_64-DVD.iso: FAILED
> 
> When I calculate the checksum, I get this:
> 
> zooty> sha256sum Fedora-14-Beta-x86_64-DVD.iso 
> 24d764247508f18c19fdceb2d9f2bf714e3615a722f20c64a0ed365f3b7af885  Fedora-14-Beta-x86_64-DVD.iso
> 
> When I grep the matching file out of the checksum file I get:
> 
> zooty> fgrep DVD.iso Fedora-14-Beta-x86_64-CHECKSUM 
> 24d764247508f18c19fdceb2d9f2bf714e3615a722f20c64a0ed365f3b7af885 *Fedora-14-Beta-x86_64-DVD.iso
> 
> Why on earth does it tell me the checksum failed?


-- 
Joachim Backes <joachim.backes@xxxxxxxxxxxxxx>

http://www.rhrk.uni-kl.de/~backes

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