On Mon, Mar 14, 2005 at 02:42:43PM -0600, JD Runyan wrote: > Gus Wirth wrote: > >At 10:47 03/14/2005 -0800, Stewart Stremler wrote: > >>nohup sudo dd if=/dev/random of=/dev/hda & exit > >> > >This doesn't work the way you want. dd will write starting from the front > >of the disk. It will overwrite something that the system needs which then > >causes a crash before the disk is wiped, thus leaving recoverable data on > >the disk. > I suggest that if you really want something like this, you have to > reboot to a Linux CD, and run something like this 'shred -fz /dev/hda'. > That will wipe out all data on the box with 25 overwrites of random > data, and then nicely lays down 0s to cover your tracks. Nothing is > going to save you, when the feds are knocking at the door short of a > full degaussing of the drive. I have heard that some intelligence > agencies have effectively done this, so they can destroy information in > an emergency.
We've had this discussion before. As pessimistic as I am about the direction of this country vis a vis corporatism, I have a hard time imagining Disney/Sony being able to marshal anything more than local police expertise to search your hard drives after an erasure. For one thing, the Big Boys (NSA, CIA) wouldn't want anything to do with testifying about their recovery techniques ... certainly not to protect Paula Abdul songs. dd should be all anyone needs. -- Lan Barnes [EMAIL PROTECTED] Linux Guy, SCM Specialist 858-354-0616 -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
