How to install OpenVPN Server on Ubuntu 16.04

Ubuntu Tutorial – Today we will show you how to install OpenVPN Server on Ubuntu 16.04, Ubuntu 17.04 and all derivatives. OpenVPN is a free secure VPN service that has been widely used by millions of users around the world. Installing OpenVPN Server on Ubuntu based machine is very easy. Thanks to someone that provide the installation script that make it even easier to install OpenVPN Server on Linux.

Steps to install OpenVPN Server on Ubuntu 16.04

There are few steps to install OpenVPN Server. Please read them carefully. On this example, I am installing OpenVPN Server on an Amazon Lightsail machine with Ubuntu 16.04.2 Server installed. Make sure you have root access or sudo to the machine. Also make a note of the Ubuntu IP address.

  1. Update Ubuntu
  2. Install and configure firewall
  3. Download installation script
  4. Install OpenVPN Server

Step 1. Update Ubuntu

Whilst its an important part to make sure our system is up to date.

sudo apt update 
sudo apt upgrade

Step 2. Install and configure firewall (ufw)

Install ufw with the following command

sudo apt install ufw

Configure ufw to allow port 22, 443 and 80.

ubuntu@ip-172-26-4-114:~$ sudo ufw allow 22
Rules updated
Rules updated (v6)
ubuntu@ip-172-26-4-114:~$ sudo ufw allow 443
Rules updated
Rules updated (v6)
ubuntu@ip-172-26-4-114:~$ sudo ufw allow 80
Rules updated
Rules updated (v6)

Enable ufw and check it status

ubuntu@ip-172-26-4-114:~$ sudo ufw enable
Command may disrupt existing ssh connections. Proceed with operation (y|n)? y
Firewall is active and enabled on system startup

ubuntu@ip-172-26-4-114:~$ sudo ufw status
Status: active

To                         Action      From
--                         ------      ----
Apache Full                ALLOW       Anywhere
22                         ALLOW       Anywhere
443                        ALLOW       Anywhere
80                         ALLOW       Anywhere
Apache Full (v6)           ALLOW       Anywhere (v6)
22 (v6)                    ALLOW       Anywhere (v6)
443 (v6)                   ALLOW       Anywhere (v6)
80 (v6)                    ALLOW       Anywhere (v6)

Step 2. Download installation script

wget https://git.io/vpn -O openvpn-install.sh

Step 3. Run the script and install OpenVPN Server

After running the script, the text based installation wizard will start. Answer some questions shown on your Terminal console.

sudo bash openvpn-install.sh

Output:

ubuntu@ip-172-26-4-114:~$ sudo bash openvpn-install.sh
Welcome to this quick OpenVPN "road warrior" installer

I need to ask you a few questions before starting the setup
You can leave the default options and just press enter if you are ok with them

First I need to know the IPv4 address of the network interface you want OpenVPN
listening to.
IP address: 172.26.4.114

Which protocol do you want for OpenVPN connections?
   1) UDP (recommended)
   2) TCP
Protocol [1-2]: 1

What port do you want OpenVPN listening to?
Port: 1194

Which DNS do you want to use with the VPN?
   1) Current system resolvers
   2) Google
   3) OpenDNS
   4) NTT
   5) Hurricane Electric
   6) Verisign
DNS [1-6]: 3

Finally, tell me your name for the client certificate
Please, use one word only, no special characters
Client name: gamblisfx

Okay, that was all I needed. We are ready to setup your OpenVPN server now
Press any key to continue...

Then the installation should begin. Wait few moments until it completed. Once completed, you can now download the .ovpn and save it to your computer.

You will need this file in order to connect to your OpenVPN Server using OpenVPN Client.

Admin

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