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What is the most destroying command you can type in the Linux terminal? (lemmy.ml)

submitted 11 months ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 11 months ago* (last edited 11 months ago)

Here is the command that will render a LUKS encrypted device un recoverable
From the documentation.

5.4 How do I securely erase a LUKS container?

For LUKS, if you are in a desperate hurry, overwrite the LUKS header and key-slot area. For LUKS1 and LUKS2, just be generous and overwrite the first 100MB. A single overwrite with zeros should be enough. If you anticipate being in a desperate hurry, prepare the command beforehand. Example with /dev/sde1 as the LUKS partition and default parameters:

head -c 100000000 /dev/zero > /dev/sde1; sync