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Donn Washburn | 2 Sep 2009 00:21
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Thunderbird 3.0b3

Hey Group;

Has anyone discovered how to get the plugins to work with Thunderbird 3.0b3.
I have about every plugin for Firefox.  They do seem to work correctly 
in Firefox.
However, Thunderbird 3.0b3 has a browser built in that does not see the 
plugins.

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George Goodyear | 3 Sep 2009 16:02
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How sanitize a HDD?


OK, I need to sanitize a HDD. How should I go about doing it. I also 
want it to work afterwards. :o) The deal is that I came across a puter 
that is in pretty good shape at a great price . It is a few years old, 
but I had to agree to sanitize the hard drive. It has tax info and fam. 
pics. Nothing bad, but I agreed to do it. I mean you can't blame someone 
for not wanting info leaking out on to the net!!!! So does anyone have 
any ideas I am using Ubuntu 8.04. I am still looking on the net, but I 
thought if someone has already come to this solution it could save me 
some time. :o)

Thanks

Carlos
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Jim Parkhurst | 3 Sep 2009 16:10
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Re: How sanitize a HDD?

Dariks Boot and Nuke. You can select the Full DOD spec (then go get a pot of coffee...)

>>> George Goodyear <enawn@...> 09/03/2009 09:02 >>>

OK, I need to sanitize a HDD. How should I go about doing it. I also 
want it to work afterwards. :o) The deal is that I came across a puter 
that is in pretty good shape at a great price . It is a few years old, 
but I had to agree to sanitize the hard drive. It has tax info and fam. 
pics. Nothing bad, but I agreed to do it. I mean you can't blame someone 
for not wanting info leaking out on to the net!!!! So does anyone have 
any ideas I am using Ubuntu 8.04. I am still looking on the net, but I 
thought if someone has already come to this solution it could save me 
some time. :o)

Thanks

Carlos
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Robert Citek | 3 Sep 2009 16:10
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Re: How sanitize a HDD?

Two (of many) options:

1) DBAN: http://www.dban.org/

2) use what you've got

- Boot with a live CD (e.g. Knoppix or Ubuntu install CD)
- open a terminal
- type 'shred -v -n 0 -z /dev/sda' , assuming the drive is /dev/sda.

Regards,
- Robert

On Thu, Sep 3, 2009 at 9:02 AM, George Goodyear<enawn@...> wrote:
> OK, I need to sanitize a HDD. How should I go about doing it. I also
> want it to work afterwards. :o) The deal is that I came across a puter
> that is in pretty good shape at a great price . It is a few years old,
> but I had to agree to sanitize the hard drive. It has tax info and fam.
> pics. Nothing bad, but I agreed to do it. I mean you can't blame someone
> for not wanting info leaking out on to the net!!!! So does anyone have
> any ideas I am using Ubuntu 8.04. I am still looking on the net, but I
> thought if someone has already come to this solution it could save me
> some time. :o)
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Newton Hammet | 3 Sep 2009 16:19

Re: How sanitize a HDD?

Hi Carlos,

I am doing a 'sanitize' myself on my old 'puter.

alternating between the following:

dd if=/dev/zero of=<hard-drive-to-be-sanitized>
dd if=/dev/urandom of=<hard-drive-to-be-sanitized>

repeat above 2 or 3 times.

The 2nd step can probably be accomplished faster by the following:

if 'dd if=/dev/urandom of=urandom_file count=100000' is used to create a 
large file but then a shell-script to use the above file to write to the 
HDD, looping appropiately to make sure the entire drive is overwritten.

and still faster if the 'urandom_file' is put on a filesystem mounted 
over ram memory.

None of this should not effect the hardware, other than a small bit of 
aging it further.

Recommendations I have heard are to write random bits 7 times to the HDD.

The reason i chose /dev/urandom over /dev/random is that although 
/dev/urandom will generate less secure random strings, /dev/random is 
horribly too slow for the above purpose.

Other greater gurus can weigh in on this advice as desired, and/or offer
(Continue reading)

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Konrad Rosenbaum | 3 Sep 2009 16:24
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Re: How sanitize a HDD?

Hi,

On Thu, September 3, 2009 16:02, George Goodyear wrote:
> OK, I need to sanitize a HDD. How should I go about doing it.

Ok, there is a chemical and a thermal method: thermal requires to heat it
to about 400C (~750F), chemical requires to clean it with at least pure
ethanol, better isopropanol or formaldehyde (be careful to not inhale the
fumes, don't use open lights/fires). If you want to make absolutely sure,
ask a health expert for access to a sterilization chamber...

> I also
> want it to work afterwards. :o)

Ooops. I see.

> The deal is that I came across a puter
> that is in pretty good shape at a great price . It is a few years old,
> but I had to agree to sanitize the hard drive. It has tax info and fam.
> pics. Nothing bad, but I agreed to do it. I mean you can't blame someone
> for not wanting info leaking out on to the net!!!! So does anyone have
> any ideas I am using Ubuntu 8.04. I am still looking on the net, but I
> thought if someone has already come to this solution it could save me
> some time. :o)

Depending on the level you want:

1) mkfs only re-initializes the main file system structures, any good
reconstruction software will find at least some of the content, so it is
safe against clueless users
(Continue reading)

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Konrad Rosenbaum | 3 Sep 2009 16:37
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Re: How sanitize a HDD?

On Thu, September 3, 2009 16:19, Newton Hammet wrote:
> alternating between the following:
>
> dd if=/dev/zero of=<hard-drive-to-be-sanitized>
> dd if=/dev/urandom of=<hard-drive-to-be-sanitized>
>
> repeat above 2 or 3 times.
>
> The 2nd step can probably be accomplished faster by the following:
>
> if 'dd if=/dev/urandom of=urandom_file count=100000' is used to create a
> large file but then a shell-script to use the above file to write to the
> HDD, looping appropiately to make sure the entire drive is overwritten.
>
> and still faster if the 'urandom_file' is put on a filesystem mounted
> over ram memory.

This should not add a significant speed gain, except if the CPU is
extremely old (sub-GHz range) and the disk very new (more than 20MB/s
write speed). Besides using a fixed file removes all the benefits of using
random numbers (the goal is to write _different_ patterns over the same
block).

The algorithm used in /dev/urandom should produce at least 50MB/s of data
on a GHz or better CPU.

> Recommendations I have heard are to write random bits 7 times to the HDD.

As far as I know this is the requirement for military, police and secret
service disks before they are sold or disposed of. The reason is that a
(Continue reading)

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Eric Ellington | 3 Sep 2009 16:58
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Re: How sanitize a HDD?

Nuke the site from orbit, it is the only way to be sure...

I also recommend boot and nuke.

Eric

On Thu, Sep 3, 2009 at 9:02 AM, George Goodyear<enawn@...> wrote:
>
>
> OK, I need to sanitize a HDD. How should I go about doing it. I also
> want it to work afterwards. :o) The deal is that I came across a puter
> that is in pretty good shape at a great price . It is a few years old,
> but I had to agree to sanitize the hard drive. It has tax info and fam.
> pics. Nothing bad, but I agreed to do it. I mean you can't blame someone
> for not wanting info leaking out on to the net!!!! So does anyone have
> any ideas I am using Ubuntu 8.04. I am still looking on the net, but I
> thought if someone has already come to this solution it could save me
> some time. :o)
>
> Thanks
>
> Carlos
> _______________________________________________
> ALG Mailing List http://austinlug.org/cgi-bin/mailman/listinfo/alg
>

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Eric Ellington
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(Continue reading)

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Robert Citek | 3 Sep 2009 16:59
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Re: How sanitize a HDD?

Let me back up and ask, who is going to use this hard drive after
you've "sanitized" it?

From your description it sounds like you and only you.  Or do you plan
to refurbish it and then sell it?

Regards,
- Robert

On Thu, Sep 3, 2009 at 9:10 AM, Robert Citek<robert.citek@...> wrote:
> Two (of many) options:
>
> 1) DBAN: http://www.dban.org/
>
> 2) use what you've got
>
> - Boot with a live CD (e.g. Knoppix or Ubuntu install CD)
> - open a terminal
> - type 'shred -v -n 0 -z /dev/sda' , assuming the drive is /dev/sda.
>
> Regards,
> - Robert
>
> On Thu, Sep 3, 2009 at 9:02 AM, George Goodyear<enawn@...> wrote:
>> OK, I need to sanitize a HDD. How should I go about doing it. I also
>> want it to work afterwards. :o) The deal is that I came across a puter
>> that is in pretty good shape at a great price . It is a few years old,
>> but I had to agree to sanitize the hard drive. It has tax info and fam.
>> pics. Nothing bad, but I agreed to do it. I mean you can't blame someone
>> for not wanting info leaking out on to the net!!!! So does anyone have
(Continue reading)

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George Goodyear | 3 Sep 2009 17:18
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Re: How sanitize a HDD?

WOW that was quick!!! I am blown away with all the info. By the time I 
had come back to check my email, I had already started Jim Parkhurst 
method. A pot of coffee? Dude it second and third pot will be gone by 
the time this is finished!!! LOL.

Newton, Konrad (wow it is quiting time in Germany isn't it?), Robert, 
Eric, thanks for the info. I think I am going to try all of your guys 
methods, Eric since I am doing boot and nuke already I am doing yours 
and Jim's as I type. But I think I would like to try everyones method. 
I'd like to see which one writes the most without having to reboot and 
restart the process over and which is fastest with approx. the same 
amount of passes. This is the first time I have used Linux or to 
sanitize a disk. The other I have used were under widoze and it was 
pretty simple and sloooooooooooooowww. 10 hrs or better for a 20 gig 
hdd.  OUCH!!! Man was that sucker hot!!!

Carlos

Jim Parkhurst wrote:
> Dariks Boot and Nuke. You can select the Full DOD spec (then go get a pot of coffee...)
>
>   
>>>> George Goodyear <enawn@...> 09/03/2009 09:02 >>>
>>>>         
>
>
> OK, I need to sanitize a HDD. How should I go about doing it. I also 
> want it to work afterwards. :o) The deal is that I came across a puter 
> that is in pretty good shape at a great price . It is a few years old, 
> but I had to agree to sanitize the hard drive. It has tax info and fam.
(Continue reading)

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Gmane