Revision [33907]
This is an old revision of SecureErase made by coolpup on 2025-06-04 05:15:22.
How to electronically eradicate, expunge, extirpate, obliterate digital data
- Mental Outlaw, 2025-05-28
Partitions
All data on drive sdX may be permanently destroyed by using the following command (warning - this may 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/sdX | hexdump -C | grep [^00]
https://www.murga-linux.com/puppy/viewtopic.php?t=65509
Individual files
Individual files may be made permanently inaccessible by:- First, encrypting them
- then, deleting them in the usual way, e.g.:
shred -uvz <file>
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