md5sum on CD

Moniz Family john.moniz-rieW9WUcm8FFJ04o6PK0Fg at
Mon Nov 21 20:14:11 UTC 2005

Kevin Cozens wrote:

> Moniz Family wrote:
>> On a related note, I downloaded all 4 ISOs for Fedora Core 4, but 
>> none of them had the same checksum as specified on the mirror site. I 
>> tried downloading Disk 1 a second time and had the exact same (but 
>> incorrect) checksum as the first try.
> The subject line of your message mentions md5sum. If you are using 
> that program to generate the hash you are comparing against the 
> information on the FC4 download sites you are using the wrong program. 
> The file containing the hash values is called SHA1SUM and near the top 
> of that file you will see the line "Hash: SHA1".
> You need to run the program sha1sum to get the correct hash values. 
> The switch from md5sum to sha1sum was made sometime after FC3 came out.
Thanks Kevin, that would explain a few things (kind of like using the 
wrong decode book). I found the 'sha1sum' command, didn't know it 
existed, but will try that now.  It doesn't explain why the CDs fail a 
Fedora media check, but that might be where the burner vs bad CDs comes 
in. I'll use Stewart's script or Joseph's command to help with that.

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