Erasing disks with the dd command

Solution

Use fidsk -l to find the right drive.

Use blockdev to find the right block size

dd if=/dev/zero of=/dev/(sdx from fdisk) bs=(from blackdev)

To get progress

kill -USR1 $(pgrep ^dd)

Alternate:

dd if=/dev/zero of=/dev/sdb bs=4096 status=progress

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