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| From: | Alex Schuster <wonko@×××××××××.org> |
|---|---|
| To: | gentoo-user@l.g.o |
| Subject: | Re: [gentoo-user] {OT} Preparing a laptop for sale |
| Date: | Thu, 17 Dec 2009 15:52:17 |
| Message-Id: | 200912171651.36053.wonko@wonkology.org |
| 1 | Joshua Murphy writes: |
| 2 | |
| 3 | > A) To fill the drive with zeros: |
| 4 | > dd if=/dev/zero of=/dev/<drive> |
| 5 | |
| 6 | Should be enough for practical purposes. |
| 7 | |
| 8 | > B) And, to make it at least questionable whether you wiped it or |
| 9 | > merely had it encrypted: |
| 10 | > dd if=/dev/urandom of=/dev/<drive> |
| 11 | |
| 12 | Similar method, but faster: badblocks -t random -w /dev/<drive> |
| 13 | You can interrupt this after the first pass when the reading & comparing |
| 14 | part starts. |
| 15 | |
| 16 | Wonko |