Install wireguard on Ubuntu Linux 22.04 LTS

Installing the WireGuard Client

sudo apt update && sudo apt upgrade

sudo apt install openresolv

sudo apt install wireguard

Generating Private and Public Keys

wg genkey | tee private.key | wg pubkey > public.key

sudo nano /etc/wireguard/wg0.conf

In the file type:

[Interface]

PrivateKey = <contents-of-client-privatekey>

Address = 10.0.0.1/24

PostUp = iptables -A FORWARD -i wg0 -j ACCEPT; iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE

PostDown = iptables -D FORWARD -i wg0 -j ACCEPT; iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE

ListenPort = 51820

[Peer]

PublicKey = <contents-of-server-publickey>

AllowedIPs = 10.0.0.2/32

WireGuard Startup

sudo wg-quick up wg0

Check connection status

sudo wg show