How to completely erase a hard disk

[jack]

just a n00b shot at this, but have you tried
dd if=/dev/urandom of=/dev/hdaX count=100

On Mon, 2007-10-01 at 08:22 -0400, Bart Silverstrim wrote:
> Gabriel Dragffy wrote:
> > On 1 Oct 2007, at 03:31, Twist O'Connor wrote:
> >
> >> umm yea you can really just use the ubuntu live cd and manuelly 
> >> setup your partitions..... i suggest alternet cd for more control 
> >> over your situation
> >>
> >
> > That didn't work. I tried deleteing all partitions, reformating
> them 
> > before and after, and even reformating the block device dd if=/dev/
> > zero was the way I found. But you could use mdadm --zero-blocks
> but 
> > that didn't work for me for some reason.
> 
> Big electromagnet?
> 
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