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2
votes
1answer
56 views

md5sum of /dev/sr1 different than ISO image?

After writing an ISO image using Brasero, I discovered that the md5sum of the target DVD is different than the ISO image, despite no readability errors. What has caused that difference?
3
votes
2answers
2k views

How to checksum a CD/DVD? (to verify integrity of my Debian installation)

So I'd like to checksum my Debian 9.0 installation DVD to be able to compare it to the respective .iso file's hashes and the published hashes to be able to verify my installation's integrity. I ...
0
votes
1answer
84 views

how to get the md5sum from a bootable CD/DVD?

AccuHash is a program that can get an md5sum from CD/DVD and without creating an ISO from, but it is a program only running in Windows. I looked around the web for how to do it and there is no ...
2
votes
2answers
59 views

Burn fedora to DVD, but hash is incorrect

I downloaded Fedora-20-x86_64-DVD.iso from mirro site, and I checked the Sha256 with HashMyFiles, they are the same. But when I burned it to DVD, and checked the hash of DVD with Hash Codes, they are ...