Robert Waldner wrote:
Philipp Lehman writes: >I want to sell an old machine that I don't use any more but there's >still sensitive stuff like personal emails, gpg keys, and passwords on >the hdd. What's the recommended way to securely 'shred' this data so >that it cannot be undeleted by the next owner? Depends. But, for all practical values, a simple `dd if=dev/urandom bs=1M \ of=/dev/hdX` should be quite sufficient.
Some people advise to repeat this procedure several times. Can anyone explain why? I see no reason why one pass doesn't suffice. sincerely, Ivo Wever I.J.W.Wever@student.tnw.tudelft.nl --To UNSUBSCRIBE, email to debian-user-request@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org