DBAN OR ALTERNATE WIPING METHODS
DBAN to Wipe the HDD

DBAN is Darik's Boot and Nuke hard drive erasure software. Computers4Christians uses DBAN to wipe the hard drives of donated computers with the "Department of Defense" 3-pass erase. The use of DBAN by you (or wiping your own computer's hard disk drive at all) is completely optional.

Don't wipe a hard drive that stores files you wish to keep

Everything stored on a computer's hard drive is completely obliterated with DBAN; all files (games, pictures, videos, documents) including the Operating System itself such as Windows, Ubuntu, Lubuntu, etc. Whatever was on there before is gone. Even forensic analysis of the hard drive won't show anything when DBAN is done erasing.
DBAN How-To (or, how C4C uses DBAN):
Download DBAN and burn onto a blank CD.
Enter the BIOS to change the Boot Order if necessary.
DBAN
At the boot: prompt, type: dodshort [Enter]
DBAN will wipe the entire hard disk drive.
DBAN is free and open source software licensed under the LGPL. Learn more at Darik's Boot and Nuke Homepage. See the Online Documentation



Alternate Wiping Method 1: C4C Lubuntu ReSpin and dd
Boot from the c4clrs32.iso or c4clrs64.iso burned to DVD or added to a USB flash drive. At the Live Desktop, go to Menu --> Sound & Video --> Mouse Mover. This should keep the screen from blanking during the wipe.
Mouse Mover
Then go to Menu --> System Tools --> LXTerminal (or Ctrl-Alt-T) and type: sudo sfdisk -l That last character is a lower case “L,” not a capital "i." The password is c4c1604 A hard disk drive with only Windows on it will normally show one partition; sda1. A hard disk drive with Linux on it will normally have at least two partitions - likely more.
dd
Wipe the Entire Hard Disk Drive You may wipe partitions separately by adding the number of the partition at the end of the following command. Otherwise; go to Menu --> System Tools --> LXTerminal (or Ctrl+Alt+T) and wipe the whole hard disk drive at once by typing (or copying and pasting) the following: sudo dd bs=1M if=/dev/urandom of=/dev/sda

dd convert and copy a file from Commands & Utilities Reference from The Open Group. Wiping info from How to wipe a hard drive clean in Linux on How To WIKI.






Alternate Wiping Method 2: C4C Lubuntu ReSpin and wipe
Boot computer from the c4clrs32.iso or c4clrs64.iso burned to DVD or added to a USB flash drive. At the Live Desktop, go to Menu --> Sound & Video --> Mouse Mover. This should keep the screen from blanking during the wipe.
Mouse Mover
1. Go to Menu --> System Tools --> Synaptic Package Manager. The password in the live C4C Lubuntu 16.04 ReSpin is c4c1604
2. Click the "Reload" button in the main Synaptic window. Allow Synaptic to Rebuild the search index.

3. In the Quick Search text box type the word wipe[Enter]. You'll see a several packages listed, but we actually want the "wipe" package.
wipe
4. Click the check box to the left of "wipe" and choose “Mark for Installation”

5. Click on "Apply" and then "Apply" again in the Summary window.

6. Close Synaptic and open a Terminal window by going to Menu --> System Tools --> LXTerminal, or by pressing Ctrl+Alt+T
sudo fdisk-l
7. Type: sudo fdisk -l That last character is a lower case “L,”  not a capital "i."
Wipe the Entire Hard Disk Drive You may wipe partitions separately by adding the number of the partition at the end of the following command. Otherwise; wipe it all at once by typing (or copying and pasting) the following into LXTerminal: wipe /dev/sda

wipe is by nester (Tom Vier), based on work by Peter Gutmann.


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