Asklemmy

43940 readers

512 users here now

A loosely moderated place to ask open-ended questions

Search asklemmy 🔍

If your post meets the following criteria, it's welcome here!

Open-ended question
Not offensive: at this point, we do not have the bandwidth to moderate overtly political discussions. Assume best intent and be excellent to each other.
Not regarding using or support for Lemmy: context, see the list of support communities and tools for finding communities below
Not ad nauseam inducing: please make sure it is a question that would be new to most members
An actual topic of discussion

Looking for support?

Looking for a community?

Lemmyverse: community search
sub.rehab: maps old subreddits to fediverse options, marks official as such
!lemmy411@lemmy.ca: a community for finding communities

~Icon~ ~by~ ~@Double_A@discuss.tchncs.de~

founded 5 years ago

MODERATORS

155

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

submitted 10 months ago by oriond@lemmy.ml to c/asklemmy@lemmy.ml

142 comments fedilink hide all child comments

you are viewing a single comment's thread
view the rest of the comments

[–] oriond@lemmy.ml 2 points 10 months ago* (last edited 10 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