Easy to setup VPN

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

apt update
apt full-upgrade
apt install wireguard

Host 1 and Host 2

ip link add dev wg0 type wireguard

Host 1

ip address add dev wg0 192.168.44.10 peer 192.168.44.11

Host 2

ip address add dev wg0 192.168.44.11 peer 192.168.44.10

Host 1 and Host 2

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

Host 1 and Host 2

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

Host 1

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

Host 2

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

Host 1 and Host 2

ip link delete dev wg0

Setup guide.

Install guide