How To Set up OpenVPN Server In 5 Minutes on Ubuntu Linux

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Here are the steps to set up an OpenVPN server on Ubuntu Linux in 5 minutes:

  1. Install OpenVPN:
sudo apt-get update
sudo apt-get install openvpn easy-rsa
  1. Copy the sample OpenVPN configuration files:
sudo cp /usr/share/doc/openvpn/examples/sample-config-files/server.conf.gz /etc/openvpn/
sudo gzip -d /etc/openvpn/server.conf.gz
  1. Modify the OpenVPN configuration file:
sudo nano /etc/openvpn/server.conf
  • Change the proto setting to udp or tcp depending on your desired protocol.
  • Change the port setting to the desired port number.
  • Change the dev tun setting to dev tap if you want to use TAP mode instead of TUN mode.
  • Change the server setting to specify the subnet for the virtual network.
  • Uncomment the push "redirect-gateway def1 bypass-dhcp" line to enable client-side routing.
  1. Generate the SSL certificate and key:
sudo make-ccd-keys
  1. Start the OpenVPN server:
sudo systemctl start openvpn@server
  1. Enable the OpenVPN server to start automatically on boot:
sudo systemctl enable openvpn@server

That’s it! Your OpenVPN server is now up and running. You can now create client configuration files and connect to the server.

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