Easy to setup VPN

This install may replace the kernel, if so, reboot afterward.

apt update
apt full-upgrade
apt install wireguard

Guide.

Setup VPN

ip link add dev wg0 type wireguard

ip address add dev wg0 192.168.44.10 peer 192.168.44.11

ip address add dev wg0 192.168.44.11 peer 192.168.44.10

cd /etc/wireguard
wg genkey | tee private-key | wg pubkey > public-key
touch wg0.conf
chmod 600 *
ls -1
private-key
public-key
wg0.conf

/etc/wireguard/wg.conf

[Interface]
ListenPort = 1234
PrivateKey = PRIVATE-KEY

[Peer]
PublicKey = PUBLIC-KEY
AllowedIPs = 0.0.0.0/0
Endpoint x.x.x.x:1234

Create VPN

wg setconf wg0 /etc/wireguard/wg0.conf
ip link set up dev wg0

ping -c 1 192.168.44.11
PING 192.168.44.11 (192.168.44.11) 56(84) bytes of data.
64 bytes from 192.168.44.11: icmp_seq=1 ttl=64 time=30.4 ms

--- 192.168.44.11 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 30.409/30.409/30.409/0.000 ms

ping -c 1 192.168.44.10
PING 192.168.44.10 (192.168.44.10) 56(84) bytes of data.
64 bytes from 192.168.44.10: icmp_seq=1 ttl=64 time=30.4 ms

--- 192.168.44.10 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 30.359/30.359/30.359/0.000 ms

Destroy VPN

ip link delete dev wg0