Nothing urgent, just stumped — if you've got free time to poke at a
command, thank you in advance!
I've trawled around the web, and the most sane/simple way of wiping is
wielding dd & overwriting a drive with zeroes/urandom/random/etc.
Another, is encrypted random data. That sounds more fun, though perhaps
useless.
I'm attempting to wield a command from the archlinux wiki and getting
access denied, even with sudo in front, and even when on dom0 (against
my better judgment). Any thoughts?
Source:
https://wiki.archlinux.org/index.php/Securely_wipe_disk/Tips_and_tricks#dd_-_advanced_example
Command below:
openssl enc -aes-256-ctr -pass pass:"$(dd if=/dev/urandom bs=128 count=1
2>/dev/null | base64)" -nosalt </dev/zero \
| pv -bartpes <DISK_SIZE> | dd bs=64K of=/dev/sd"X"
In this case, sd"X" is referencing a specific drive. If you run the
command, you'll want to ensure that's a drive with nothing of use on it.
p.s., I'm open to alternative suggestions. If you think a single pass
with /dev/zero is sufficient, I'm all ears or eyes, in this context.
I've never attempted to recover a drive under any circumstances, so I'm
no expert. Happy to accept the lazy way out ;)
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