Revision history for SecureErase
Additions:
~-[[ccrypt encrypting]] them first
~-then, deleting them in the usual way, e.g.: %%shred -uvz <file>%%
~-then, deleting them in the usual way, e.g.: %%shred -uvz <file>%%
Deletions:
~-deleting them in the usual way: %%shred -uvz <file>%%
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>%%
===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:
==Single files==
Single files may be made permanently inaccessible by [[ccrypt encrypting]] them before deleting them in the usual way.
Additions:
Confirmation of whether or not any non-zero bytes exist: %%dd if=/dev/sdX | hexdump -C | grep [^00]%%
Deletions:
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:
Additions:
Single files may be made permanently inaccessible by [[ccrypt encrypting]] them before deleting them in the usual way.
Deletions:
- either [[ccrypt encrypting]] them before deleting them in the usual way
- or using the //dd// command
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
- either [[ccrypt encrypting]] them before deleting them in the usual way
- or using the //dd// command
Deletions:
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:
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:
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]%%
Confirmation of whether or not any non-zero bytes exist: %%dd if=/dev/sda | hexdump -C | grep [^00]%%
Deletions:
%%dd if=/dev/zero of=/dev/sdX bs=4k conv=notrunc%%
Additions:
%%dd if=/dev/zero of=/dev/sdX bs=4k conv=notrunc%%
Deletions:
No Differences
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
====How to physically eradicate, expunge, extirpate, obliterate digital data====
http://www.youtube.com/watch?v=hqyc37aOqT0
Deletions:
No Differences
Additions:
====How to eradicate, expunge, extirpate, obliterate digital data====
Deletions:
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:
No Differences
Additions:
====Secure Eraser====
==Partitions==
==Single files==
==Partitions==
==Single files==
Deletions:
__Single files__
Additions:
Single files may be made permanently inaccessible by [[ccrypt encrypting]] them before deleting them in the usual way.
Deletions:
Deletions:
%%dd if=/dev/random of=/dev/sdX && dd if=/dev/zero of=/dev/sdX%%
Additions:
__Partitions__
__Single files__
__Single files__
Deletions:
Single files
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
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:
No Differences
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%%
%%dd if=/dev/random of=/dev/sdXY && dd if=/dev/zero of=/dev/sdXY%%
Deletions:
%%dd if=/dev/random of=/dev/sdX%%
%%dd if=/dev/zero of=/dev/sdX%%
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
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:
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.
Single files may be made permanently inaccessible by [[pupcrypt encrypting]] them before deleting them in the usual way.
Deletions:
Single files may be made permanently inaccessible by [[pupcrypt encrypting]] them before deleting them.
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:
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%%
%%dd if=/dev/zero of=/dev/sdX%%
Deletions:
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:
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.
Single files may be made permanently inaccessible by [[pupcrypt encrypting]] them before deleting them.
Deletions:
Data may be encrypted before deletion: [[Encryption]]
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:
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:
%%dd if=/dev/random of=/dev/sdX%%
%%dd if=/dev/zero of=/dev/sdX%%
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%%
%%dd if=/dev/random of=/dev/sdX%%
%%dd if=/dev/zero of=/dev/sdX%%
Deletions:
%%(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
Additions:
%%**Perform //dd// operations with __unmounted__ drives/partitions only** (a LiveDVD, or USB, is useful in this case).
Deletions:
Additions:
Data may be **{{color c="red" text="permanently deleted"}}** by using these two commands consecutively, e.g. //sda// drive:
Deletions:
Additions:
%%**Perform dd operations with __unmounted__ drives/partitions only** (a LiveDVD, or USB, is useful in this case).
Deletions:
Additions:
%%Use these commands after having booted up with a LiveDVD.
Deletions:
Additions:
Use these commands after having booted up with a LiveDVD.
No Differences
Additions:
dd if=/dev/random of=/dev/sda
dd if=/dev/zero of=/dev/sda
dd if=/dev/zero of=/dev/sda
Deletions:
dd if=/dev/zero -of=/dev/sda
Additions:
Data may be {{color c="red" text="permanently"}} deleted by using these two commands consecutively, e.g. //sda// drive:
Deletions:
Additions:
Data may be permanenlyt deleted by using these two commands consequtively, e.g. //sda// drive:
dd if=/dev/random -of=/dev/sda
dd if=/dev/random -of=/dev/sda
Deletions:
dd if=/dev/urandom -of=/dev/sda