Wireguard Ubuntu 20.04 Installation Guide

wireguard-ubuntu-20.04-installation.md

1. Install

   sudo apt update
   sudo apt upgrade -y
   sudo apt install wireguard

2. Configure Server

   Copy the following contents to /etc/wireguard/default.conf:

   ## Set Up WireGuard VPN on Ubuntu By Editing/Creating wg0.conf File ##
   [Interface]
   ## My VPN server private IP address ##
   Address = 192.168.6.1/24
   
   ## My VPN server port ##
   ListenPort = 41194
   
   ## VPN server's private key i.e. /etc/wireguard/privatekey ##
   PrivateKey = x
   
   [Peer]
   ## Desktop/client VPN public key ##
   PublicKey = w
   
   ## client VPN IP address (note  the /32 subnet) ##
   AllowedIPs = 192.168.6.2/32

3. Start Server Service

   sudo systemctl start wg-quick@default

4. Enable Server Service On Restarts (Optional)

   sudo systemctl enable wg-quick@default

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Mostly copied from: https://www.cyberciti.biz/faq/ubuntu-20-04-set-up-wireguard-vpn-server