rm -rf is not self-destruct button. It's just a "take everything out of the closets, rip of the labels, and throw it on a heap". A real self-destruct button wo

rm -rf is not self-destruct button. It's just a "take everything out of the closets, rip of the labels, and throw it on a heap". A real self-destruct button would ensure you couldn't recover the data anymore. So at least try "dd if=/dev/random of=/dev/sda" or more elegant when available, throw away the decryption key.