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Wiping Entire Hard Drive Clean - Linux


Click on the Apply button to start the installation process. How can I securely erase the drive before selling it? This method tries to erase the entire drive, including bad sectors. It should go without saying that running wipe will nuke everything on the target file system. weblink

Preparations for block device encryption If you want to prepare your drive to securely set up Disk encryption#Block device encryption inside the wiped area afterwards you really should use #Random data If you're curious about the effectiveness or methods used to complete the hard drive wipe, see Data Sanitization Methods. After properly wiping a hard drive, you can be confident that whatever information If all goes well, Knoppix should boot and present the KDE interface. Hardware-specific issues Flash memory Write amplification and other characteristics make Flash memory (explicitly including SSDs) a stubborn target for reliable wiping. you could try here

Wipe Hard Drive Linux Command Line

Find More Posts by pixellany 05-28-2006, 04:19 PM #6 MasterC LQ Guru Registered: Mar 2002 Location: Salt Lake City, UT - USA Distribution: Gentoo ; LFS ; Kubuntu Posts: Select a block size See also Wikipedia:Dd (Unix)#Block size, blocksize io-limits. Can anyone post a link for a good step-by-step guide for wiping a hdd clean (like with DBAN) and setting up the cd-rom and floppy drive from scratch so one can When the hard drive wipe is complete, there will be absolutely no way to get anything on the drive back.Important: Sometimes multiple drives exist on a single hard drive.

  1. Once the installation is done, click the Close button and close the Synaptic Package Manager window.
  2. Similar utilities wipe is not the only utility for cleansing files and disk drives.
  3. If you are wiping your hard drive for security, you should populate it with random data rather than zeros (This is going to take even longer than the first example.):dd if=/dev/urandom
  4. Remember though that the current recovery status for different storage is as follows: Very old hard drives: there were gaps between tracks so you could potentially pick up bleed into these

dd if=/dev/zero of=/dev/hdX dd if=/dev/random of=/dev/hdX dd if=/dev/urandom of=/dev/hdX How ever it will take a very long time based on your harddisk size. If you have an Advanced Format hard drive it is recommended that you specify a block size larger than the default 512 bytes. Some drives support Enhanced Secure Erase, which uses distinct patterns defined by the manufacturer. Linux Wipe Command Using wipe does not absolutely guarantee that data on the drive cannot be recovered, but it goes a long way in making it difficult.

You’ll need to reload Synaptic’s package list. Page 1 of 2 1 2 > Search this Thread 05-27-2006, 01:36 PM #1 blnkgcrsr001 Newbie Registered: Mar 2006 Posts: 18 Rep: How best to format/wipe hard drive The time now is 04:14 AM. https://wiki.archlinux.org/index.php/Securely_wipe_disk Retrieved from "https://wiki.archlinux.org/index.php?title=Securely_wipe_disk&oldid=456725" Categories: SecurityFile systemsHidden category: Pages with broken section links Navigation menu Views Page Discussion View source History Personal tools Create account Log in Navigation Main page Categories Getting

It may take some time to complete, depending on the size of the drive you’re wiping. Linux Shred The wipe process will take several hours to complete for a moderate-sized hard drive. As an example, we’ve got a file called BankInfo.txt on a Windows NTFS-formatted hard drive. Before you do, it is a good idea to cleanse the drive, so no one can read your sensitive information.

Linux Disk Wipe Utility

Warning: There is no confirmation regarding the sanity of this command so repeatedly check that the correct drive or partition has been targeted. http://www.linuxquestions.org/questions/linux-newbie-8/how-best-to-format-wipe-hard-drive-clean-449098/ Content is available under CC-BY-SA. Wipe Hard Drive Linux Command Line dd halts at the first bad block, and fails to clobber the rest (unless I painfully use skip=... Ubuntu Wipe Disk The wipe package should come up, along with some other packages that perform similar functions.

Remove the custom ad blocker rule(s) and the page will load as expected. have a peek at these guys Many of you block advertising which is your right, and advertising revenues are not sufficient to cover my operating costs. If the target drive is installed in a working system, the easiest way to clean it is to run wipe off of a Linux live CD. You can add the option -nN to only do this N times, to save time on large capacity devices. Wipe Hard Drive Linux Live Cd

I'm just a paranoid delusional... The nixCraft, takes a lot of my time and hard work to produce. You may use it to erase your hard drive. http://upxpress.net/hard-drive/wiping-the-hard-drive.php By redirecting output The redirected output can be used both for creation of the files to rewrite free space on the partition, wipe the whole device or a single partition on

Unmount all currently mounted partitions on that device, if any. Linux Secure Erase File bs=4096 for 4KB). Browse other questions tagged filesystem or ask your own question.

Don't even think about commenting otherwise! :P share|improve this answer edited Feb 20 at 12:39 landroni 3,70351838 answered Dec 15 '10 at 22:24 htorque 39.6k27154202 4 +1 for Bruce Schneier

Read Article Article Review of Samsung HUTIL: Free Hard Drive Testing Tool Read Article Article A Full Review of HDShredder, a Free Data Destruction Software Tool Read Article Article What to It's free: Name Email ©2000-2017 nixCraft. To do this, in the terminal, type in: shred -remove -iterations= By default, shred overwrites the file 25 times. Linux Shred Command This has given it the nickname "disk destroyer." Shred is NOT a reliable tool for securely wiping a drive.

What is SECURE ERASE, and how does one use it? The filesystem is irrelevant. –David Given Jan 29 '14 at 14:42 @DavidGiven Well technically you can shred just a file inside a filesystem, and that's what shred manpage talks The alternative is to use an encrypted datastream. http://upxpress.net/hard-drive/wiping-hard-drive.php pixellany View Public Profile View LQ Blog View Review Entries View HCL Entries Visit pixellany's homepage!

Use the sudo command as well (sudo dd...) Filling the disk with all zeros (This may take a while, as it is making every bit of data 0):dd if=/dev/zero of=/dev/sdX bs=1M To get started, download and burn the latest version of Knoppix, then put the CD in the CD drive of the target machine and boot. more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science sudo shred -v -n1 -z /dev/sdX After this, you would have to repartition the device.

This is the same procedure that the US Government DoD uses to secure their own drives. Launch Konsole, KDE's terminal emulator, using the icon in the bottom toolbar. Advertise Media Kit Contact How To Wiki is a Fandom Lifestyle Community. This is an example for a HDD formatted to boot a linux system: # fdisk -l Disk /dev/sda: 250.1 GB, 250059350016 bytes, 488397168 sectors Units = sectors of 1 * 512

I then quit the installer and put in the WinXP CD and restarted. This tutorial is for Linux or Unix users only. We can also be extra-careful about the shredding process by upping the number of times shred overwrites the original file. Then, after the single new partition is created, use dd (yeah, just dd): dd if=/dev/zero of=/dev/hda1 dd is for data dump (maybe, someone may have a better idea, but that's what

secure-delete The secure-deleteAUR package from AUR provides several utilites for secure erasion, including sfill, which deletes only free space in a specified mount. share|improve this answer answered May 3 '12 at 17:39 One Zero 13.4k2062102 Already suggested: askubuntu.com/a/51979/8530 –Matthew Read Jun 18 '15 at 13:26 add a comment| up vote 0 down