Revision history for SecureErase


Revision [28675]

Last edited on 2013-09-03 10:38:30 by coolpup
Additions:
~-[[ccrypt encrypting]] them first
~-then, deleting them in the usual way, e.g.: %%shred -uvz <file>%%
Deletions:
~-[[ccrypt encrypting]] them first, then
~-deleting them in the usual way: %%shred -uvz <file>%%

Revision [28674]

Edited on 2013-09-03 10:35:27 by coolpup
Additions:
===Partitions===
===Individual files===
Individual files may be made permanently inaccessible by:
~-[[ccrypt encrypting]] them first, then
~-deleting them in the usual way: %%shred -uvz <file>%%
Deletions:
==Partitions==
==Single files==
Single files may be made permanently inaccessible by [[ccrypt encrypting]] them before deleting them in the usual way.

Revision [19321]

Edited on 2011-10-31 10:46:47 by coolpup
Additions:
Confirmation of whether or not any non-zero bytes exist: %%dd if=/dev/sdX | hexdump -C | grep [^00]%%
Deletions:
Confirmation of whether or not any non-zero bytes exist: %%dd if=/dev/sda | hexdump -C | grep [^00]%%

Revision [19320]

Edited on 2011-10-31 10:03:26 by coolpup
Additions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following command (warning - this may take a very long time): %%dd if=/dev/zero of=/dev/sdX%%
Deletions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following command (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case (warning - this will take a very long time): %%dd if=/dev/zero of=/dev/sdX%%

Revision [19318]

Edited on 2011-10-31 09:51:10 by coolpup
Additions:
Single files may be made permanently inaccessible by [[ccrypt encrypting]] them before deleting them in the usual way.
Deletions:
Single files may be made permanently inaccessible by:
- either [[ccrypt encrypting]] them before deleting them in the usual way
- or using the //dd// command

Revision [19284]

Edited on 2011-10-30 15:01:17 by coolpup
Additions:
Single files may be made permanently inaccessible by:
- either [[ccrypt encrypting]] them before deleting them in the usual way
- or using the //dd// command
Deletions:
Single files may be made permanently inaccessible by [[ccrypt encrypting]] them before deleting them in the usual way.

Revision [19282]

Edited on 2011-10-30 14:47:22 by coolpup
Additions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following command (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case (warning - this will take a very long time): %%dd if=/dev/zero of=/dev/sdX%%
Deletions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following command (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case (warning - this will take a very long time): %%dd bs=4k conv=notrunc if=/dev/zero of=/dev/sdX%%

Revision [19281]

Edited on 2011-10-30 14:35:05 by coolpup
Additions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following command (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case (warning - this will take a very long time): %%dd bs=4k conv=notrunc if=/dev/zero of=/dev/sdX%%
Deletions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following command (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case (warning - this will take a very long time): %%dd if=/dev/zero of=/dev/sdX bs=4k conv=notrunc%%

Revision [19273]

Edited on 2011-10-30 13:26:15 by coolpup
Additions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following command (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case (warning - this will take a very long time): %%dd if=/dev/zero of=/dev/sdX bs=4k conv=notrunc%%
Confirmation of whether or not any non-zero bytes exist: %%dd if=/dev/sda | hexdump -C | grep [^00]%%
Deletions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following command (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case (warning - this will take a very long time):
%%dd if=/dev/zero of=/dev/sdX bs=4k conv=notrunc%%

Revision [19272]

Edited on 2011-10-30 13:13:11 by coolpup
Additions:
%%dd if=/dev/zero of=/dev/sdX bs=4k conv=notrunc%%
Deletions:
%%dd if=/dev/zero of=/dev/sdX%%

Revision [19236]

Edited on 2011-10-30 07:10:53 by coolpup

No Differences

Revision [19233]

Edited on 2011-10-30 05:45:04 by coolpup
Additions:
====How to electronically eradicate, expunge, extirpate, obliterate digital data====
====How to physically eradicate, expunge, extirpate, obliterate digital data====
http://www.youtube.com/watch?v=hqyc37aOqT0
Deletions:
====How to eradicate, expunge, extirpate, obliterate digital data====

Revision [19232]

Edited on 2011-10-30 05:42:22 by coolpup

No Differences

Revision [19231]

Edited on 2011-10-30 05:42:09 by coolpup
Additions:
====How to eradicate, expunge, extirpate, obliterate digital data====
Deletions:
====Secure Eraser====

Revision [19230]

Edited on 2011-10-30 05:38:41 by coolpup
Additions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following command (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case (warning - this will take a very long time):
Deletions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following command (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case): warning - this will take a very long time

Revision [19229]

Edited on 2011-10-30 05:37:42 by coolpup

No Differences

Revision [19228]

Edited on 2011-10-30 05:37:28 by coolpup
Additions:
====Secure Eraser====
==Partitions==
==Single files==
Deletions:
__Partitions__
__Single files__

Revision [19227]

Edited on 2011-10-30 05:26:19 by coolpup
Additions:
Single files may be made permanently inaccessible by [[ccrypt encrypting]] them before deleting them in the usual way.
Deletions:
Single files may be made permanently inaccessible by [[pupcrypt encrypting]] them before deleting them in the usual way.

Revision [14629]

Edited on 2011-05-21 15:59:28 by coolpup
Deletions:
For the truly paranoid with plenty of time to spare:
%%dd if=/dev/random of=/dev/sdX && dd if=/dev/zero of=/dev/sdX%%

Revision [14518]

Edited on 2011-05-03 16:22:09 by coolpup
Additions:
__Partitions__
__Single files__
Deletions:
Partitions
Single files

Revision [14517]

Edited on 2011-05-03 16:21:17 by coolpup
Additions:
%%dd if=/dev/zero of=/dev/sdX%%
For the truly paranoid with plenty of time to spare:
%%dd if=/dev/random of=/dev/sdX && dd if=/dev/zero of=/dev/sdX%%
http://www.murga-linux.com/puppy/viewtopic.php?t=65509
Deletions:
%%dd if=/dev/random of=/dev/sdXY && dd if=/dev/zero of=/dev/sdXY%%

Revision [14498]

Edited on 2011-05-02 12:55:02 by coolpup

No Differences

Revision [14494]

Edited on 2011-05-02 12:51:19 by coolpup
Additions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following command (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case): warning - this will take a very long time
%%dd if=/dev/random of=/dev/sdXY && dd if=/dev/zero of=/dev/sdXY%%
Deletions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following two commands consecutively (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case): warning - this will take a very long time
%%dd if=/dev/random of=/dev/sdX%%
%%dd if=/dev/zero of=/dev/sdX%%

Revision [14493]

Edited on 2011-05-02 12:48:12 by coolpup
Additions:
Partitions
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following two commands consecutively (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case): warning - this will take a very long time
%%dd if=/dev/random of=/dev/sdX%%
Single files
Deletions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following two commands consecutively (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case): %%dd if=/dev/random of=/dev/sdX%%

Revision [14492]

Edited on 2011-05-02 12:46:02 by coolpup
Additions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following two commands consecutively (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case): %%dd if=/dev/random of=/dev/sdX%%
Single files may be made permanently inaccessible by [[pupcrypt encrypting]] them before deleting them in the usual way.
Deletions:
All files on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following two commands consecutively (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case): %%dd if=/dev/random of=/dev/sdX%%
Single files may be made permanently inaccessible by [[pupcrypt encrypting]] them before deleting them.

Revision [12904]

Edited on 2011-02-20 05:51:02 by coolpup
Additions:
All files on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following two commands consecutively (the drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case): %%dd if=/dev/random of=/dev/sdX%%
Deletions:
All files on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following two commands consecutively. The drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case: %%dd if=/dev/random of=/dev/sdX%%

Revision [12903]

Edited on 2011-02-20 05:50:09 by coolpup
Additions:
All files on drive X may be **{{color c="red" text="permanently destroyed"}}** by using the following two commands consecutively. The drive must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case: %%dd if=/dev/random of=/dev/sdX%%
%%dd if=/dev/zero of=/dev/sdX%%
Deletions:
All files on drive X may be **{{color c="red" text="permanently destroyed"}}** by using these two commands consecutively, which must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case:%%dd if=/dev/random of=/dev/sdX%% %%dd if=/dev/zero of=/dev/sdX%%

Revision [12800]

Edited on 2011-02-15 08:04:19 by coolpup
Additions:
All files on drive X may be **{{color c="red" text="permanently destroyed"}}** by using these two commands consecutively, which must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case:%%dd if=/dev/random of=/dev/sdX%% %%dd if=/dev/zero of=/dev/sdX%%
Deletions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using these two commands consecutively, which must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case:%%dd if=/dev/random of=/dev/sdX%% %%dd if=/dev/zero of=/dev/sdX%%

Revision [12195]

Edited on 2011-01-21 15:42:58 by coolpup
Additions:
All data on drive X may be **{{color c="red" text="permanently destroyed"}}** by using these two commands consecutively, which must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case:%%dd if=/dev/random of=/dev/sdX%% %%dd if=/dev/zero of=/dev/sdX%%
Single files may be made permanently inaccessible by [[pupcrypt encrypting]] them before deleting them.
Deletions:
Data may be **{{color c="red" text="permanently destroyed"}}** by using these two commands consecutively on drive X, which must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case:%%dd if=/dev/random of=/dev/sdX%% %%dd if=/dev/zero of=/dev/sdX%%
Data may be encrypted before deletion: [[Encryption]]

Revision [12194]

Edited on 2011-01-21 15:36:45 by coolpup
Additions:
Data may be **{{color c="red" text="permanently destroyed"}}** by using these two commands consecutively on drive X, which must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case:%%dd if=/dev/random of=/dev/sdX%% %%dd if=/dev/zero of=/dev/sdX%%
Deletions:
Data may be **{{color c="red" text="permanently destroyed"}}** by using these two commands consecutively on drive X, which must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case:%%dd if=/dev/random of=/dev/sdX%%%%dd if=/dev/zero of=/dev/sdX%%

Revision [12193]

Edited on 2011-01-21 15:36:32 by coolpup
Additions:
Data may be **{{color c="red" text="permanently destroyed"}}** by using these two commands consecutively on drive X, which must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case:%%dd if=/dev/random of=/dev/sdX%%%%dd if=/dev/zero of=/dev/sdX%%
Deletions:
Data may be **{{color c="red" text="permanently destroyed"}}** by using these two commands consecutively on drive X, which must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case:
%%dd if=/dev/random of=/dev/sdX%%
%%dd if=/dev/zero of=/dev/sdX%%

Revision [12192]

Edited on 2011-01-21 15:36:03 by coolpup
Additions:
Data may be **{{color c="red" text="permanently destroyed"}}** by using these two commands consecutively on drive X, which must be __unmounted__ first, which means that a LiveDVD or LiveUSB is useful in this case:
%%dd if=/dev/random of=/dev/sdX%%
%%dd if=/dev/zero of=/dev/sdX%%
Deletions:
Data may be **{{color c="red" text="permanently deleted"}}** by using these two commands consecutively, e.g. //sda// drive:
%%(language-ref)
dd if=/dev/random of=/dev/sda
%%
%%
dd if=/dev/zero of=/dev/sda
%%**Perform //dd// operations with __unmounted__ drives/partitions only** (a LiveDVD, or USB, is useful in this case).
CategoryDocumentation

Revision [9785]

Edited on 2010-10-11 04:37:17 by coolpup
Additions:
%%**Perform //dd// operations with __unmounted__ drives/partitions only** (a LiveDVD, or USB, is useful in this case).
Deletions:
%%**Perform dd operations with __unmounted__ drives/partitions only** (a LiveDVD, or USB, is useful in this case).

Revision [9784]

Edited on 2010-10-11 03:12:42 by coolpup
Additions:
Data may be **{{color c="red" text="permanently deleted"}}** by using these two commands consecutively, e.g. //sda// drive:
Deletions:
Data may be {{color c="red" text="permanently"}} deleted by using these two commands consecutively, e.g. //sda// drive:

Revision [9783]

Edited on 2010-10-11 03:11:27 by coolpup
Additions:
%%**Perform dd operations with __unmounted__ drives/partitions only** (a LiveDVD, or USB, is useful in this case).
Deletions:
%%Use these commands after having booted up with a LiveDVD.

Revision [9755]

Edited on 2010-10-08 04:48:02 by coolpup
Additions:
%%Use these commands after having booted up with a LiveDVD.
Deletions:
Use these commands after having booted up with a LiveDVD.

Revision [9754]

Edited on 2010-10-08 04:47:24 by coolpup
Additions:
Use these commands after having booted up with a LiveDVD.

Revision [9753]

Edited on 2010-10-08 03:39:36 by coolpup

No Differences

Revision [9752]

Edited on 2010-10-08 03:39:11 by coolpup
Additions:
dd if=/dev/random of=/dev/sda
dd if=/dev/zero of=/dev/sda
Deletions:
dd if=/dev/random -of=/dev/sda
dd if=/dev/zero -of=/dev/sda

Revision [9657]

Edited on 2010-10-01 03:43:36 by coolpup
Additions:
Data may be {{color c="red" text="permanently"}} deleted by using these two commands consecutively, e.g. //sda// drive:
Deletions:
Data may be permanenlyt deleted by using these two commands consequtively, e.g. //sda// drive:

Revision [9655]

Edited on 2010-10-01 02:50:25 by coolpup
Additions:
Data may be permanenlyt deleted by using these two commands consequtively, e.g. //sda// drive:
dd if=/dev/random -of=/dev/sda
Deletions:
Permanent deletion of //sda// drive:
dd if=/dev/urandom -of=/dev/sda

Revision [9654]

The oldest known version of this page was created on 2010-10-01 02:48:17 by coolpup
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