/etc/wireguard/wg0.conf

[Interface]
PrivateKey = xxxxxxxxxxxxxxxxx
Address = 10.8.0.216/24
DNS = 8.8.8.8

[Peer]
PublicKey = xxxxxxxxxxxxxxxxx
PresharedKey = xxxxxxxxxxxxxxxxx
AllowedIPs = 0.0.0.0/0, ::/0
PersistentKeepalive = 0
Endpoint = xxx.xx.xxx.xx:xxxxx

wg-quick up wg0

apt upgrade
apt install wireguard
apt install resolvconf

ifconfig

ens3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet xxx.xxx.xxx.xx  netmask 255.255.255.255  broadcast xxx.xxx.xxx.xx
        inet6 xxxx::xxxx:xx:xxxx:xxxx  prefixlen 64  scopeid 0x20<link>
        ether xx:xx:xx:xx:xx:xx  txqueuelen 1000  (Ethernet)
        RX packets 756  bytes 92434 (92.4 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 688  bytes 103119 (103.1 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

ip route 
	 
default via 10.0.0.1 dev ens3 onlink