[clue] secure erase techniques?

[Tristan Paddock]

Use the utility 'shred'.  Shred can be used to securely delete individual
files or whole partition/disks.

http://linux.die.net/man/1/shred


On Tue, May 31, 2011 at 8:51 AM, Raymond DeRoo <rderoo at deroo.net> wrote:

> Mike--
>
> In short, I'm giving one of my older PC's to a friend's friend.  One of
> those, I don't need it, things.  In any case, in terms of secure destruction
> of drives, my father's always taught me to disassemble the drives and throw
> the heads and the platter out separately.  Can't do it here, they need the
> drives, so I thought I'd ask for advice in case we have members who might
> know a thing or two about this sort of thing.  I figured I'd probably just
> boot it to a live CD and nuke the partitions, and that's *probably *enough,
> after all, I don't need like a military-grade erase, but I'll settle for
> making it @#$@#$@$ hard to recover.  Any suggestions are welcome.
>
>
>
> # dd if=/dev/urandom of=/dev/sda bs=387 count=<size of disk in bites> / 383
>
> Recover from this *IS* still possible, but generally requires someone who
> is *VERY* knowledge about drives to do as such.
>
> .r
>
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