To start off, update your OpenVPN Server’s package index and install OpenVPN and Easy-RSA. Easy-RSA is a public key infrastructure (PKI) management tool that you will use on the OpenVPN Server to generate a certificate request that you will then verify and sign on the CA Server.
![ubuntu port forwarding wizard ubuntu port forwarding wizard](https://linuxhint.com/wp-content/uploads/2018/04/ss3-768x97.png)
The first step in this tutorial is to install OpenVPN and Easy-RSA.
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See How to Set Up SSH Keys on Ubuntu 20.04 for instructions on how to perform either of these solutions. Alternatively, you could generate an SSH keypair for each server, then add the OpenVPN Server’s public SSH key to the CA machine’s authorized_keys file and vice versa. To resolve this issue, you could re-enable password authentication on each server. Note: Please note that if you disable password authentication while configuring these servers, you may run into difficulties when transferring files between them later on in this guide. Step 14 - Testing Your VPN Connection (Optional).Configuring Clients that use update-resolv-conf.Configuring Clients that use systemd-resolved.Step 13 - Installing the Client Configuration.Step 12 - Generating Client Configurations.Step 11 - Creating the Client Configuration Infrastructure.Step 8 - Adjusting the OpenVPN Server Networking Configuration.(Optional) Point to Non-Default Credentials.(Optional) Adjust the Port and Protocol.(Optional) Push DNS Changes to Redirect All Traffic Through the VPN.Step 6 - Generating a Client Certificate and Key Pair.Step 5 - Configuring OpenVPN Cryptographic Material.Step 4 - Signing the OpenVPN Server’s Certificate Request.
![ubuntu port forwarding wizard ubuntu port forwarding wizard](http://tuxgraphics.org/~guido/scripts/ssh-socks5-port-forwarding-firefox-socks.png)
Step 3 - Creating an OpenVPN Server Certificate Request and Private Key.Step 1 - Installing OpenVPN and Easy-RSA.