How to create SHA-512 password hash on the command line
mkpasswd -m sha-512
To pass the password directly on the command line (note: password will be visible in shell history):
echo "mypassword" | mkpasswd -m sha-512 --stdin
In case you are missing the mkpasswd command, you can install it with:
sudo apt install whois
Example output
$6$hcGoahD4HKwRtkE8$m72NDqN0ePCRrUDorWS40Jl73sG0Rr2LVWHNAPh5MwHB2Lk1NTVIn8Lg7W.NK/rIkwqiJzttM9IJ.N5L74Gbn1
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