How to set up OpenVPN 3 Linux (2024)

In this tutorial we will show you how to set up OpenVPN 3 Linux, but first let’s see what are our requirements.

Requirements

In order to set up the OpenVPN you will need:

  1. A CactusVPN account. If you don’t have one you can try our services for free.
  2. Your VPN username and password. You can find them in your account on our website, by going to Settings.
  3. The OpenVPN config files. You can download them on our Downloads page.
  4. The OpenVPN 3 Linux client. You can download and install it from here.

Set up OpenVPN 3

  1. Open the terminal by hitting CTRL + ALT + T

    To become a root user, run:

    sudo su 

    and input your password.

  2. Ensure that your apt supports the https transport:

    apt install apt-transport-https -y
    How to set up OpenVPN 3 Linux (1)
  3. Install the OpenVPN repository key used by the OpenVPN 3 Linux packages:

    wget https://swupdate.openvpn.net/repos/openvpn-repo-pkg-key.pub
    apt-key add openvpn-repo-pkg-key.pub
    How to set up OpenVPN 3 Linux (2)
  4. Now you need to install the proper repository. Replace $DISTRO with the release name depending on your Debian/Ubuntu distribution.

    How to set up OpenVPN 3 Linux (3)

    In my case it is “focal”:

    wget -O /etc/apt/sources.list.d/openvpn3.list https://swupdate.openvpn.net/community/openvpn3/repos/openvpn3-$DISTRO.list
    How to set up OpenVPN 3 Linux (4)

    then run:

    apt update
    How to set up OpenVPN 3 Linux (5)
  5. Install the OpenVPN 3 package:

    apt install openvpn3 -y
    How to set up OpenVPN 3 Linux (6)
  6. Download the OpenVPN configuration files:

    wget -O /etc/openvpn3/CactusVPN-OpenVPN-Config.zip https://billing.cactusvpn.com/downloads/openvpn-configs/CactusVPN-OpenVPN-Config.zip
    How to set up OpenVPN 3 Linux (7)
  7. Unzip the OpenVPN configuration files:

    unzip /etc/openvpn3/CactusVPN-OpenVPN-Config.zip
    How to set up OpenVPN 3 Linux (8)
  8. Go to /etc/resolv.conf by running:

    nano /etc/resolv.conf 

    and add this line:

    nameserver 8.8.8.8 

    at the top.

  9. Hit CTRL + o to save the changes and CTRL + x to exit the file.

Connect to VPN

  1. To connect to a VPN server, we need to know the name of its corresponding configuration file. For example, Nuremberg TCP configuration file name is DE-Nuremberg-CactusVPN-TCP.ovpn.

    To connect to Nuremberg TCP, run:

    openvpn3 session-start --config DE-Nuremberg-CactusVPN-TCP.ovpn
    How to set up OpenVPN 3 Linux (9)
  2. Type the VPN username and password.


    You can find them in your account on our website, by going to Settings. Make sure you use your VPN username and password and NOT the client area credentials (What is the difference?).


    After providing the correct credentials you will get the Connected message.

    How to set up OpenVPN 3 Linux (10)

    To check if your IP address was changed, run:

    curl ifconfig.so
  3. To display any active VPN connection, run:

    openvpn3 sessions-list
    How to set up OpenVPN 3 Linux (11)
  4. To close the Nuremberg TCP VPN connection run:

    openvpn3 session-manage --config DE-Nuremberg-CactusVPN-TCP.ovpn --disconnect
    How to set up OpenVPN 3 Linux (12)

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How to set up OpenVPN 3 Linux (2024)

FAQs

How to set up OpenVPN 3 Linux? ›

OpenVPN 3 is a C++ class library that implements the functionality of an OpenVPN client, and is protocol-compatible with the OpenVPN 2. x branch. OpenVPN 3 includes a minimal client wrapper ( cli ) that links in with the library and provides basic command line functionality.

How to install OpenVPN 3 on Linux? ›

Installation for Debian and Ubuntu
  1. Open the Terminal by pressing ctrl + alt + T .
  2. Type the following command into the Terminal: DISTRO=$(lsb_release -c | awk '{print $2}') . ...
  3. Type the following command into the Terminal: sudo apt update.
  4. Type the following command into the Terminal: sudo apt install openvpn3 .

How to setup OpenVPN in Linux? ›

Preparing for OpenVPN
  1. An OpenVPN configuration file. ...
  2. Your OpenVPN username and password. ...
  3. Install OpenVPN. ...
  4. Download the following DNS update script. ...
  5. Change the directory to where you downloaded your OpenVPN configuration file. ...
  6. Connect to a VPN server using OpenVPN.

What is openvpn3? ›

OpenVPN 3 is a C++ class library that implements the functionality of an OpenVPN client, and is protocol-compatible with the OpenVPN 2. x branch. OpenVPN 3 includes a minimal client wrapper ( cli ) that links in with the library and provides basic command line functionality.

How to start OpenVPN from command line Linux? ›

OpenVPN: Linux Command-Line
  1. Install OpenVPN by opening a terminal and typing, "sudo apt-get install openvpn"
  2. Remove the conflicting startup links - "sudo update-rc.d -f openvpn remove"
  3. You now need to extract the contents of the Zip file.
Apr 6, 2024

How to setup VPN for Linux? ›

How can I connect to a VPN using the Linux Terminal?
  1. Get your credentials from the VPN you subscribed to.
  2. Download and install the OpenVPN package.
  3. Download configuration files from your VPN provider.
  4. Connect to the VPN via the dang terminal.
  5. Connect to a server.

What are the log levels in openvpn3? ›

Valid log levels are from 0 to 6, where 6 is the most verbose. VPN sessions are also owned by the user which started it.

Where is the OpenVPN config file in Linux? ›

Configuration file. You must create a server config file in /etc/openvpn/server/ . You can start from scratch if you want, and OpenVPN includes several sample configuration files to use as a starting point. Have a look in /usr/share/doc/openvpn/sample/sample-config-files/ to see them all.

Does OpenVPN work with Linux? ›

Introduction. Connecting to Access Server from Linux requires a client program. It captures the traffic you want to send through the OpenVPN tunnel, encrypts it, passes it to the OpenVPN server, and decrypts the return traffic.

How do I start OpenVPN with config? ›

To run OpenVPN, you can: Right click on an OpenVPN configuration file (.ovpn) and select Start OpenVPN on this configuration file. Once running, you can use the F4key to exit.

How to activate OpenVPN? ›

Click Configuration > Activation. Paste the activation key into the field, Enter Activation Key here. Click Activate.

Is OpenVPN the same as Ovpn? ›

OVPN has been using OpenVPN since 2014 on all our servers and it's the VPN protocol that our custom desktop client uses.

What is the difference between OpenVPN and VPN? ›

What is the difference between VPN and OpenVPN? Modern VPNs use Wireguard, which is the faster protocol, whereas OpenVPN doesn't. Both offer a similar level of security, but OpenVPN's encryption can be set to a lower level — from 256-bit to 128-bit.

How do I start openvpn3 in Linux? ›

Using the openvpn3 front-end
  1. Import the configuration file: $ openvpn3 config-import --config my-vpn-config.conf. This will return a configuration path. ...
  2. (Optional) Display all imported configuration profiles. $ openvpn3 configs-list.
  3. Start a new VPN session. $ openvpn3 session-start --config my-vpn-config.conf. or.

How do I auto connect to OpenVPN on Linux? ›

Auto-connect OpenVPN via Network Manager (Ubuntu)

First, set up the VPN connection using Network Manager. Once the VPN connection is set up in the Network manager, edit your main network connection and select Automatically connect to VPN when using this connection.

How to setup OpenVPN on Linux Ubuntu? ›

How To Set up OpenVPN Server In 5 Minutes on Ubuntu Linux
  1. Find and note down your public IP address.
  2. Download openvpn-install.sh script.
  3. Run openvpn-install.sh to install OpenVPN server.
  4. Connect an OpenVPN server using iOS/Android/Linux/Windows client.
  5. Verify your connectivity.
Sep 10, 2024

How to install S3 on Linux? ›

Perform the below steps as root.
  1. Install the s3fs filesystem driver. a) on CentOS/Fedora ~# dnf install s3fs-fuse. ...
  2. Create a passwd-s3fs file. ...
  3. Create a mount point directory. ...
  4. Add mount point to fstab. ...
  5. Mount your S3 bucket. ...
  6. Install the s3fs filesystem driver. ...
  7. Create s3fs mounting script. ...
  8. Create systemd unit file.

How to change OpenVPN version in Linux? ›

How To Update OpenVPN For Linux?
  1. Update Package Repositories (optional) In case you have installed OpenVPN from the package repositories offered by your Linux distribution, you may need to update them before proceeding. ...
  2. Uninstall the Existing OpenVPN Package (optional) ...
  3. Install the Latest OpenVPN Package.
Jul 27, 2023

How to install OpenVPN server and client with easy RSA 3 on CentOS 7? ›

  1. Step 1: Install OpenVPN. Update the CentOS repositories and packages by running: yum update -y. ...
  2. Step 2: Install Easy RSA. ...
  3. Step 3: Configure OpenVPN. ...
  4. Step 4: Generate Keys and Certificates. ...
  5. Step 5: Firewall and Routing Configuration. ...
  6. Step 6: Start OpenVPN. ...
  7. Step 7: Configure a OpenVPN Client. ...
  8. Step 8: Connect a Client to OpenVPN.
Nov 19, 2020

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