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oceanBT/secure delete devices.txt

Last active February 28, 2021 14:08
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secure delete devices
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secure delete devices.txt
1. find best device speed
sudo bash -c 'pv < /dev/urandom > /dev/mmcblk0'
2. override with bs from 1.
sudo dd if=/dev/urandom of=/dev/mmcblk0 status=progress bs=39M conv=fdatasync
3. format disk via UI (create partition, in any filesystem)
4. create random file on partition
sudo cat /dev/urandom > /media/user/device/random_data
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