Revision [19318]
This is an old revision of SecureErase made by coolpup on 2011-10-31 09:51:10.
How to electronically eradicate, expunge, extirpate, obliterate digital data
Partitions
All data on drive X may be permanently destroyed by using the following command (the drive must be unmounted first, which means that a LiveDVD or LiveUSB is useful in this case (warning - this will take a very long time):dd if=/dev/zero of=/dev/sdX
Confirmation of whether or not any non-zero bytes exist:
dd if=/dev/sda | hexdump -C | grep [^00]
http://www.murga-linux.com/puppy/viewtopic.php?t=65509
Single files
Single files may be made permanently inaccessible by ccrypt encrypting them before deleting them in the usual way.How to physically eradicate, expunge, extirpate, obliterate digital data
http://www.youtube.com/watch?v=hqyc37aOqT0
