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If you want to wipe all contents from disk so that your sensitive data cannot be restored, you may try the following command from a bootcd (e.g. Knoppix):
Code:
# dd if=/dev/random of=/dev/yourharddiskdevice
This will fill the drive with pseudorandom data. Faster will be zeroing the disk:
Also check out DBAN - Darik's Boot And Nuke. This is a small, bootable CD image which contains software for securely wiping the hard disk. Once you've done that, you can re-install the OS if you want to provide one to th recipient of the sale, or leave the disk blank if you prefer.
any of the ftp or http links is the correct link as they are all mirrors of the same download (to spread load across many servers), simply choose one where the country in brackets at the end of the right hand column is close to your physical location
eg as im in the uk i would use UK Mirror Service - University Of Kent (England)
whether its http or ftp dousent make much difference to me.
when you click on the link you get 2 folders,
knoppix or DVD.
if you want a cd image click knoppix if you want a DVD image click dvd (a lot bigger but more stuff on it) for what you need in this thread CD will be fine.
KNOPPIX_V5.1.0CD-2006-12-30-EN.iso is the file you want and is approx 700MB
If you want to wipe all contents from disk so that your sensitive data cannot be restored, you may try the following command from a bootcd (e.g. Knoppix):
Code:
# dd if=/dev/random of=/dev/yourharddiskdeviceThis will fill the drive with pseudorandom data. Faster will be zeroing the disk:
Code:
# dd if=/dev/zero of=/dev/yourharddiskdeviceThere are also special bootdisks for wiping disks: http://dban.sourceforge.net/
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