How to wipe a hard drive

ATA/SATA Drive

use hdparm command:

https://grok.lsu.edu/Article.aspx?articleid=16716

NVME Drive

use nvme command:

http://blog.pythonaro.com/2018/05/how-to-securely-wipe-nvme-drive.html

• boot from a Ubuntu desktop live image
• run apt update and install nvme-cli (may need to add additional repositories to /etc/apt/sources.list)
• put the computer to sleep for a few seconds: systemctl suspend
• now wipe:

nvme format -s1 /dev/nvme0n1 (change to match your drive)