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I think I didn't encrypt my drive when I installed Ubuntu and I would like to use the opportunity to change that when I install Ubuntu 20.04. I'd like to make sure that all data is permanently wiped before I do a fresh installation, but that's turning out to be a bit of a problem. All I found online on the topic was the advice to go on the manufacturer's website to see how to proceed.

I have a Samsung 970 EVO SSD, and the tool that Samsung offers (Samung Magician) appears to be available exclusively for Windows. Any ideas how to get this done?

sababa
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Use the secure erase feature since there might be spare sectors etc. so just overwriting 3 times is maybe not enough

Archwiki also has a good feature on that

Bash Stack
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