WireGuard is a modern VPN that is simple to set up on Ubuntu. While the Vultr Docs may not have specific instructions, a general setup involves:

Installing WireGuard:

bash
Copy
Edit
sudo apt update
sudo apt install wireguard
Generating key pairs for the server and clients.

Configuring the WireGuard interface by creating a configuration file in /etc/wireguard/.

Enabling and starting the WireGuard service:

bash
Copy
Edit