this post was submitted on 05 Feb 2026
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Greentext

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[–] lka1988@sh.itjust.works 30 points 1 day ago* (last edited 1 day ago) (3 children)

Step 1: Back up important files
Step 2: boot from live Linux USB
Step 3: dd if=/dev/zero of=/dev/nvmeX && dd if=/dev/urandom of=/dev/nvmeX Repeat as many times as you wish

[–] Chiqa@midwest.social 3 points 15 hours ago

This, but encrypt the backed up data with full disk encryption.

[–] hodgepodgin@lemmy.zip 5 points 1 day ago

If you have nvme use secure erase first.

[–] Omgpwnies@lemmy.world 6 points 1 day ago (1 children)

Use a live Linux ISO that can run entirely in memory, and run step 3 in an infinite loop. Take the USB with you and leave the PC running.

[–] agingelderly@lemmy.world 3 points 1 day ago (2 children)
[–] faintwhenfree@lemmus.org 5 points 1 day ago

Write random data in the drive over and over again, with one or two pass there are some sophisticated techniques that can get some sliver of data out if the random. But with 3 4 passes and more it's statistically unlikely they can recover anything.

Runs step 3 in an infinite loop