WireGuard is an open-source virtual private network (VPN) solution that uses modern cryptography to secure server-client network communications. It's lightweight, with a smaller codebase than alternatives like OpenVPN, focused on core functionality for speed and security. This guide walks through installing WireGuard on Ubuntu 24.04, generating server and client key pairs, configuring the server and firewall for a NAT-routed VPN tunnel, and connecting a client device. By the end, you'll have a r...