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Joshua Murphy wrote: |
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> On Wed, Dec 16, 2009 at 6:36 PM, Dale <rdalek1967@×××××.com> wrote: |
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> |
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>> Mick wrote: |
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>> |
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>>> On Wednesday 16 December 2009 18:49:07 Grant wrote: |
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>>> |
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>>> |
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>>>> I'm about to sell my old laptop and I'd like to wipe out the data and |
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>>>> install any flavor of Linux via USB (the CD drive doesn't work any |
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>>>> more). I've got a bootable USB key that will get me into Gentoo. How |
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>>>> would you take it from there? I'm looking for something quick and |
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>>>> easy. My data isn't too sensitive, but I'd like to do some type of |
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>>>> wiping so it isn't all just sitting there with a deleted flag or |
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>>>> however that works. |
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>>>> |
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>>>> |
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>>> First I'd mount the partitions and then emerge/use shred: |
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>>> |
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>>> # shred -v -n 25 -z -u /mnt/a_partition |
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>>> |
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>>> Then I would delete old partitions, create new partitions and format them |
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>>> as required. If you're really paranoid about your data (which from what |
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>>> you're telling me you're not) you can also use dd to randomly overwrite |
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>>> partition tables, but I would probably not bother. |
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>>> |
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>>> Now, there may be more modern tools to do all this with a single button, |
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>>> but I haven't looked into it in any detail. |
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>>> |
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>>> HTH. |
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>>> |
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>>> |
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>> Also note that shred, at least the last I read, doesn't work to well on some |
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>> file systems. I know this used to be true for reiserfs and some other |
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>> journalized file systems. |
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>> |
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>> I'm thinking the dd thing may be the best way here. I don't think it cares |
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>> about file systems when it does its thing. |
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>> |
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>> Dale |
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>> |
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>> :-) :-) |
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>> |
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>> |
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> |
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> That is, of course, when shredding individual files, where the final |
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> location and initial locations for them may not wind up being the same |
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> place on disk. When 'shredding' a whole partition, though, the file |
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> system itself ceases to matter, as it in itself is being overwritten |
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> as well as all the data it provides a means of indexing for. |
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> |
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> Incidentally, I believe the oft referenced here DBAN uses shred |
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> internally, last I looked. |
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> |
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> |
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|
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That makes sense. So, the OP shouldn't mount the drives but shred the |
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disk itself? |
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|
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Dale |
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|
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:-) :-) |