WireGuard is a modern VPN protocol for creating encrypted tunnels between servers, laptops, and other devices. It is fast, lightweight, and built directly into the Linux kernel, making it one of the simplest ways to secure access to a VPS or cloud server.

In this tutorial, you will install WireGuard on Ubuntu 24.04, generate server and client key pairs, configure the wg0 interface, enable IP forwarding, open the firewall, configure a client, and verify that the encrypted tunnel is working.

This setup uses a common “road warrior” configuration: one server and one or more remote clients.…