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Message-ID: <642958cc0509301413r29698e86kf34f6e36ae83a64f@mail.gmail.com>
Date: Fri, 30 Sep 2005 17:13:19 -0400
From: Mark Shields <laebshade@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Good command for wiping a hard drive?
In-Reply-To: <642958cc0509301410p5782472bw9866e5a66fb5ed8b@mail.gmail.com>
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Forgot to credit my source:
http://www.linuxquestions.org/questions/showthread.php?s=3D&postid=3D184877=
0
That post also mentions a Helix livecd that comes with the dlcfdd program I
mentioned.
On 9/30/05, Mark Shields <laebshade@gmail.com> wrote:
>
> Deleting and recreating new, different partitions isn't enough, as the ra=
w
> data is still there. I would use /dev/urandom combined /bin/dd. Never don=
e
> this before, but *should* work. Boot from the gentoo livecd (or some othe=
r
> livecd that provides a full working linux environment), type dd
> if=3D/dev/urandom of=3D/dev/hda conv=3Dnotrunc . Run that about 10 times =
(you do
> want it securely erased right?) or however many times you feel is necessa=
ry.
> Use dlcfdd instead of dd if you can, as with an extra CLI option
> (sizeprobe=3Dof) you can get a progress bar.
>
> On 9/30/05, Mark Knecht <markknecht@gmail.com> wrote:
> >
> > Hi,
> > Sold my laptop on Ebay. It was dual boot Gentoo/XP Pro and had
> > financial data on it. I'd like to pretty securely wipe the drive
> > before shipping. I've already deleted all 10 partitions and written
> > new partitions on which are different sizes and different file
> > systems. What simple command can Ido to write data to the whole drive?
> >
> > After doing this I will be deleting all partitions again and
> > running the XP reinstall disk from Compaq so that the new buyer gets a
> > machine more or less ready for him to work. (I offered to set him up
> > with Gentoo but he didn't byte.) ;-)
> >
> > Cheers,
> > Mark
> >
> > --
> > gentoo-user@gentoo.org mailing list
> >
> >
>
>
> --
> - Mark Shields
--
- Mark Shields
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Forgot to credit my source: <a href=3D"http://www.linuxquestions.org/=
questions/showthread.php?s=3D&postid=3D1848770">http://www.linuxquestio=
ns.org/questions/showthread.php?s=3D&postid=3D1848770</a><br>
<br>
That post also mentions a Helix livecd that comes with the dlcfdd program I=
mentioned.<br><br><div><span class=3D"gmail_quote">On 9/30/05, <b class=3D=
"gmail_sendername">Mark Shields</b> <<a href=3D"mailto:laebshade@gmail.c=
om">
laebshade@gmail.com</a>> wrote:</span><blockquote class=3D"gmail_quote" =
style=3D"border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8=
ex; padding-left: 1ex;">Deleting and recreating new, different partitions i=
sn't enough, as the
raw data is still there. I would use /dev/urandom combined
/bin/dd. Never done this before, but *should* work. Boot
from the gentoo livecd (or some other livecd that provides a full
working linux environment), type dd if=3D/dev/urandom of=3D/dev/hda
conv=3Dnotrunc . Run that about 10 times (you do want it securely
erased right?) or however many times you feel is necessary. Use
dlcfdd instead of dd if you can, as with an extra CLI option
(sizeprobe=3Dof) you can get a progress bar.<br><br><div><span class=3D"q">=
<span class=3D"gmail_quote">On 9/30/05, <b class=3D"gmail_sendername">Mark =
Knecht</b> <<a href=3D"mailto:markknecht@gmail.com" target=3D"_blank" on=
click=3D"return top.js.OpenExtLink(window,event,this)">
markknecht@gmail.com</a>> wrote:</span>
</span><div><span class=3D"e" id=3D"q_106a8df87c2a39c9_2"><blockquote class=
=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, 204, 204); margin=
: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi,<br> Sold my laptop=
on Ebay. It was dual boot Gentoo/XP Pro and had
<br>financial data on it. I'd like to pretty securely wipe the drive
<br>before shipping. I've already deleted all 10 partitions and written<br>=
new partitions on which are different sizes and different file<br>systems. =
What simple command can Ido to write data to the whole drive?<br><br> =
After doing this I will be deleting all partitions again and
<br>running the XP reinstall disk from Compaq so that the new buyer gets a<=
br>machine more or less ready for him to work. (I offered to set him up<br>=
with Gentoo but he didn't byte.) ;-)<br><br>Cheers,<br>Mark<br><br>--<br>
<a href=3D"mailto:gentoo-user@gentoo.org" target=3D"_blank" onclick=3D"retu=
rn top.js.OpenExtLink(window,event,this)">gentoo-user@gentoo.org</a> mailin=
g list<br><br></blockquote></span></div></div><br><br clear=3D"all"><br>-- =
<br>
<span class=3D"sg">- Mark Shields
</span></blockquote></div><br><br clear=3D"all"><br>-- <br>- Mark Shields
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