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Mike,<br>
<br>
If you use dd_rescue instead of dd then you get a progress bar.<br>
<br>
There are some differences between dd_rescue and dd so RTFM carefully.
:)<br>
<pre class="moz-signature" cols="72">--
Jim Ockers, P.Eng. (<a class="moz-txt-link-abbreviated" href="mailto:ockers@ockers.net">ockers@ockers.net</a>)
Contact info: <a class="moz-txt-link-freetext" href="http://www.ockers.net/msi.html">http://www.ockers.net/msi.html</a>
</pre>
Mike Bean wrote:
<blockquote
cite="mid:BANLkTinGHN94_p2yARM6rBUO32arU7xu+g@mail.gmail.com"
type="cite">How long would I need to leave this running? cat
/dev/urandom > /dev/sda1 's been going for long about 10 hours now.
Is this something that I'll need to abort or does it terminate on its
own?<br>
<br>
<div class="gmail_quote">On Tue, May 31, 2011 at 9:04 AM, chris fedde
<span dir="ltr"><<a moz-do-not-send="true"
href="mailto:chris@fedde.us">chris@fedde.us</a>></span> wrote:<br>
<blockquote class="gmail_quote"
style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Raymond,<br>
<br>
What does the magic block size do?<br>
<br>
<br>
I'd go with two passes of "cat /dev/urandom > /dev/sdX" as root.<br>
<div class="im"><br>
On Tue, May 31, 2011 at 8:51 AM, Raymond DeRoo <<a
moz-do-not-send="true" href="mailto:rderoo@deroo.net">rderoo@deroo.net</a>>
wrote:<br>
</div>
<div>
<div class="h5">> Mike--<br>
><br>
> In short, I'm giving one of my older PC's to a friend's friend.
One of<br>
> those, I don't need it, things. In any case, in terms of secure
destruction<br>
> of drives, my father's always taught me to disassemble the drives
and throw<br>
> the heads and the platter out separately. Can't do it here, they
need the<br>
> drives, so I thought I'd ask for advice in case we have members
who might<br>
> know a thing or two about this sort of thing. I figured I'd
probably just<br>
> boot it to a live CD and nuke the partitions, and that's probably
enough,<br>
> after all, I don't need like a military-grade erase, but I'll
settle for<br>
> making it @#$@#$@$ hard to recover. Any suggestions are welcome.<br>
><br>
><br>
> # dd if=/dev/urandom of=/dev/sda bs=387 count=<size of disk in
bites> / 383<br>
> Recover from this *IS* still possible, but generally requires
someone who is<br>
> *VERY* knowledge about drives to do as such.<br>
> .r<br>
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