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You should receive a single line of base64 encoded output, which is the private key. command removes any permissions on the file for users and groups other than the root user to ensure that only it can access the private key.

sudo chmod go = /etc/wireguard/private.key.

wg genkey | sudo tee /etc/wireguard/private.key.

You will also need to change the permissions on the key that you just created using the chmod command, since by default the file is readable by any user on your server.Ĭreate the private key for WireGuard and change its permissions using the following commands: You’ll use the built-in wg genkey and wg pubkey commands to create the keys, and then add the private key to WireGuard’s configuration file. Now that you have WireGuard installed, the next step is to generate a private and public keypair for the server.

Pritunl install ubuntu 20.04 password#

You may be prompted to provide your sudo user’s password if this is the first time you’re using sudo in this session:

Pritunl install ubuntu 20.04 install#

To start off, update your WireGuard Server’s package index and install WireGuard using the following commands. The first step in this tutorial is to install WireGuard on your server. Step 1 - Installing WireGuard and Generating a Key Pair You can add IPv6 support when you create a Droplet, or afterwards using the instructions on that page.

Pritunl install ubuntu 20.04 how to#

If you would like to enable IPv6 support with WireGuard and are using a DigitalOcean Droplet, please refer to this documentation page How to Enable IPv6 on Droplets.

To use WireGuard with IPv6, you will also need to ensure that your server is configured to support that type of traffic.

If you are using a remote system, be sure to follow all of the optional sections later in this tutorial or you may lock yourself out of the system. For the purposes of this tutorial, it’s recommended that you use your local machine as the WireGuard Peer, but you can use remote servers, or mobile phones as clients if you prefer.

In this tutorial we’ll refer to this machine as the WireGuard Peer.

You’ll need a client machine that you will use to connect to your WireGuard Server.

We will refer to this as the WireGuard Server throughout this guide. To set this up, you can follow our Initial Server Setup with Ubuntu 20.04 tutorial.

One Ubuntu 20.04 server with a sudo non-root user and a firewall enabled.

For this reason, please be mindful of how much traffic your server is handling. Note: If you plan to set up WireGuard on a DigitalOcean Droplet, be aware that we, like many hosting providers, charge for bandwidth overages.

Pritunl install ubuntu 20.04 series#

Subsequent tutorials in this series will explain how to install and run WireGuard on Windows, macOS, Android, and iOS systems and devices. You’ll also learn how to route the peer’s Internet traffic through the WireGuard server in a gateway configuration, in addition to using the VPN for an encrypted peer-to-peer tunnel.įor the purposes of this tutorial, we’ll configure another Ubuntu 20.04 system as the peer (also referred to as client) to the WireGuard Server. In this tutorial, you will set up WireGuard on an Ubuntu 20.04 server, and then configure another machine to connect to it as a peer using both IPv4 and IPv6 connections (commonly referred to as a dual stack connection). Different versions of TLS include support for hundreds of different cryptographic suites and algorithms, and while this allows for great flexibility to support different clients, it also makes configuring a VPN that uses TLS more time consuming, complex, and error prone.

Pritunl install ubuntu 20.04 software#

In comparison, other VPN software such as OpenVPN and IPSec use Transport Layer Security (TLS) and certificates to authenticate and establish encrypted tunnels between systems. Each version of WireGuard uses a specific cryptographic cipher suite to ensure simplicity, security, and compatibility with peers. WireGuard’s encryption relies on public and private keys for peers to establish an encrypted tunnel between themselves.

It gives you the freedom to access the internet safely and securely from your smartphone or laptop when connected to an untrusted network, like the WiFi at a hotel or coffee shop. A VPN allows you to traverse untrusted networks as if you were on a private network. WireGuard is a lightweight Virtual Private Network (VPN) that supports IPv4 and IPv6 connections.