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Deleting Private Data from Your Linux/Microsoft Windows Machine



By: DamianMyerscough

December 3, 2007 2:43 pm

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Problem:

Private data can still be recovered when you format your Linux/Microsoft Windows machine.

Solution:

There are two possible solutions. The first solution is using the dd command:

dd if=/dev/urandom of=/dev/sda

This command will overwrite the data stored on the /dev/sda partition with random junk, however, there is a disadvantage with using the dd command and that is the speed that it takes to overwriting the data. The second solution is to use the shred command:

shred -v -n 1 /dev/sda

This will overwrite the data on the /dev/sda partition with random junk and at a much faster speed.

Environment:

SUSE Enterprise Linux Desktop 10

  • SUSE Enterprise Linux Server 10
  • SUSE Enterprise Linux Desktop 10 SP1
  • SUSE Enterprise Linux Server 10 SP1
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Categories: SUSE Linux Enterprise Desktop, SUSE Linux Enterprise Server, Technical Solutions

Disclaimer: As with everything else at SUSE Conversations, this content is definitely not supported by SUSE (so don't even think of calling Support if you try something and it blows up).  It was contributed by a community member and is published "as is." It seems to have worked for at least one person, and might work for you. But please be sure to test, test, test before you do anything drastic with it.

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