Linux/wireguard

Installation

apt install wireguard

Generate ipv6 prefix

date +%s%N
cat /var/lib/dbus/machine-id
printf <timestamp><machine-id> | sha1sum
printf <sha1sum>| cut -c 31-
1a2b3c4d5e
fd1a:2b3c:4d5e::/64    <- subnet
fd1a:2b3c:4d5e::1/64   <- wireguard server ip