Re: apple mini
On Wed, Jan 08, 2020 at 01:45:28PM -0500, Michael Stone wrote:
> On Wed, Jan 08, 2020 at 11:41:00AM -0700, ghe wrote:
> > On 1/8/20 10:44 AM, Felix Miata wrote
> >
> > > If you're seriously concerned the next owner might try that, create a new file
> > > full of junk from /dev/random or from /dev/null that fills the existing freespace,
> > > then remove it.
> >
> > This is not at all a major job. Just get dd copying from /dev/random to
> > /dev/<diskDrive> before you go to bed tonight. Things will be all better
> > in the morning.
>
> /dev/random is unnecessarily slow and /dev/null will do nothing. the correct
> device is /dev/zero
/dev/urandom might be acceptable if you're paranoid enough.
Definitely do *NOT* use /dev/random for this. See random(4) for why.
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