How to erase hard drives (shred, dd)
You could write zeros to the whole hard drive
dd if=/dev/zero of=/dev/hda
or - better - write a few passes of random noise
shred -vfz -n4 /dev/hda
You could write zeros to the whole hard drive
dd if=/dev/zero of=/dev/hda
or - better - write a few passes of random noise
shred -vfz -n4 /dev/hda