(English) Secure wiping your harddisk

I was thinking about how to securely wipe a harddisk-partition with maximum speed. First, there

http://serverfault.com/questions/6440/is-there-an-alternative-to-dev-urandom

http://serverfault.com/questions/126413/limit-linux-background-flush-dirty-pages

openssl enc -aes-256-ctr -pass pass:“$(dd if=/dev/urandom bs=128 count=1 2>/dev/null | base64)“ -nosalt < /dev/zero | pv -pterb > /dev/YOURPARTITION

YOURPARTITION can be sda1 for example

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