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тАО01-22-2009 12:41 PM
тАО01-22-2009 12:41 PM
Erase Hard Drives
Make the system unbootable.
Thanks and points will be assigned.
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тАО01-22-2009 02:13 PM
тАО01-22-2009 02:13 PM
Re: Erase Hard Drives
hdx is the hard drive device file, change it.
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тАО01-22-2009 03:00 PM
тАО01-22-2009 03:00 PM
Re: Erase Hard Drives
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тАО01-22-2009 03:33 PM
тАО01-22-2009 03:33 PM
Re: Erase Hard Drives
http://www.engadget.com/2005/03/15/how-to-erase-old-hard-disks/
http://linuxhelp.blogspot.com/2006/06/how-to-securely-erase-hard-disk-before.html
(may wish to also review the comments)
http://www.geocities.com/thestarman3/asm/mbr/WIPE.html#HOW
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тАО01-23-2009 01:43 AM
тАО01-23-2009 01:43 AM
Re: Erase Hard Drives
Very flexbile and offers quite a few options depending on your security requirements - if your data was particularly sensitive you can use the most paranoid option which writes random patterns of ones and zeros over the disks several times over.
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тАО01-23-2009 04:36 AM
тАО01-23-2009 04:36 AM
Re: Erase Hard Drives
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тАО01-23-2009 07:49 AM
тАО01-23-2009 07:49 AM
Re: Erase Hard Drives
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тАО01-26-2009 12:12 AM
тАО01-26-2009 12:12 AM
Re: Erase Hard Drives
for me the method with "dd" is the best because it is straight 'n easy.
And it is good enough for securely delete any diskdata.
See that interesting article on heise online:
http://www.heise-online.co.uk/news/Secure-deletion-a-single-overwrite-will-do-it--/112432
rgds
HGH
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тАО01-26-2009 02:07 AM
тАО01-26-2009 02:07 AM
Re: Erase Hard Drives
You could imitate this by using dd with if=/dev/urandom but this will take very long and use alot of cpu.
Another alternative if you just want it to be unbootable but you want to reuse the disk, then I would just recommend booting on a live cd (or rescue) and run a partition editor like cfdisk and remove the partitions... This won't clear the MBR thou so if you have a LILO or GRUB in your MBR that will remain...
According to this forum post: https://www.linuxquestions.org/questions/linux-general-1/wiping-mbr-197530/
This would work to clean the mbr also (hda being the drive you have your MBR on):
dd if=/dev/zero of=/dev/hda bs=512 count=1
Best regards
Fredrik Eriksson
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тАО01-26-2009 04:51 AM
тАО01-26-2009 04:51 AM
Re: Erase Hard Drives
as I have used 'dd' to erase disk and use 'foremost' to recover the data, and failed
and same goes with shred.
i.e 'dd' and 'shred' both erases the disk, so that most of the data recovery software doesn't able to recover
Regards