On Tuesday 05 April 2005 23:37, Joey Hess wrote:
Thanks Joey
For your reply, The reason I want to check the integrity of the cd or dvd
after a burn. Is that I have found out that a good burn "no buffer under run"
dose not mean that the image is OK. By checking the image with the md5sum -c
md5sum.txt that is on the iso I am then certain that the product is correct.
The method of dd the image off I will be looking into.
Thanks again and all the best
peter colton
> Running md5sum on an iso image and comparing it with the md5sum file
> published with the iso will work. In my experience running md5sum on a
> CD sometimes fails, because it may not properly detect the end of the
> disk. If you dd off exactly the right size of data and md5sum that, it
> should work.
>
> md5sum -c md5sum.txt is effectively the same test that's performed by
> the menu item inside the installer. It also does some other minor tests,
> including checking for .disk/, and debian/ subdirectories.
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