How To Set up OpenVPN in Ubuntu 22.04/Ubuntu 20.04

Earlier than downloading and working the script, word that the script will auto-detect your server’s personal IP tackle, however you want to be aware of your server’s public IP tackle particularly whether it is working behind NAT.

To seek out out your server’s public IP tackle, run the next wget command or dig command.

$ wget -qO - icanhazip.com
OR
$ dig +brief myip.opendns.com @resolver1.opendns.com

2. Now obtain the installer script utilizing the curl command-line instrument, then make it executable utilizing the chmod command as follows.

$ curl -O https://uncooked.githubusercontent.com/angristan/openvpn-install/grasp/openvpn-install.sh
$ chmod +x openvpn-install.sh

3. Subsequent, run the executable installer script as proven.

$ sudo bash openvpn-install.sh

When executed for the primary time, the script will ask you some questions, learn them rigorously, and supply solutions in response to your preferences, to arrange your OpenVPN server.

4. As soon as the VPN set up course of is full, a shopper configuration file will likely be written underneath the present working listing. That is the file you’ll use to configure your OpenVPN shopper as described within the subsequent part.

5. Subsequent, affirm that the OpenVPN service is up and working by checking its standing utilizing the next systemctl command.

$ sudo systemctl standing openvpn

6. Additionally, affirm that the OpenVPN daemon is listening on the port you instructed the script to make use of, utilizing the ss command as proven.

$ sudo ss -tupln | grep openvpn

7. For those who examine your community interfaces, a brand new interface has been created for a VPN tunnel, you possibly can affirm this through the use of the IP command.

$ ip add

Step 2: Setup OpenVPN Shoppers in Ubuntu

8. Now it’s time to arrange your OpenVPN shopper and join it to the VPN server. First, set up the OpenVPN package deal within the shopper machine as follows.

$ sudo yum set up openvpn	#RHEL-based Techniques
$ sudo apt set up openvpn	#Debian-based Techniques
$ sudo dnf set up openvpn	#Fedora Linux

9. On a desktop system, you additionally want to put in the network-manager-openvpn package deal to make VPN settings from the graphical interface.

$ sudo yum set up network-manager-openvpn	#RHEL-based Techniques
$ sudo apt set up network-manager-openvpn	#Debian-based Techniques
$ sudo dnf set up network-manager-openvpn	#Fedora Linux

10. After putting in the above packages, begin the OpenVPN service, for now, allow it to robotically begin at system boot and examine its standing to substantiate that it’s up and working.

$ sudo systemctl begin openvpn 
$ sudo systemctl allow openvpn 
$ sudo systemctl standing openvpn 

11. Now you want to import the OpenVPN shopper settings from the OpenVPN server. Open a terminal window and use the SCP command to seize the file as proven.

$ cd ~
$ scp [email protected]:/dwelling/tecmint/tecmint.ovpn .

12. Open system Settings, then go to Networks. Below VPN, click on the add button to get the required choices.

13. Within the pop-up window, select “Import from file” as highlighted within the following screenshot. Then browse your file supervisor and choose the .ovpn shopper config file you downloaded from the server.

14. On different Linux desktop programs, click on on the community icon on the system panel, go to Community Connections. Then click on the plus button so as to add a brand new connection. From the drop, choose “Import a saved VPN configuration…” as highlighted within the following screenshot.

Create the connection and import the file.

15. After importing the file, the VPN settings must be added as proven within the following screenshot. Then click on Add.

16. Your VPN shopper settings must be added efficiently. You may hook up with the OpenVPN server by turning on the VPN as highlighted within the following screenshot.

17. Now the VPN connection must be established efficiently as proven within the following screenshot.

18. For those who examine your community interface connections utilizing the IP add command, there ought to now exist a VPN tunnel interface as highlighted within the following screenshot.

$ ip add

Step 3: Setup OpenVPN Consumer in Linux

19. To attach one other Linux server as a VPN shopper, guarantee that you’ve put in the OpenVPN package deal, and began, and enabled the OpenVPN service as described above.

Then obtain the .ovpn shopper file, and duplicate it to the /and so forth/openvpn/ listing as proven.

$ scp [email protected]:/dwelling/tecmint/tecmint.ovpn .
$ ls
$ sudo cp tecmint.ovpn /and so forth/openvpn/shopper.conf

20. Subsequent, begin the VPN shopper service, allow it, and examine its standing with the next instructions.

$ sudo systemctl begin [email protected]
$ sudo systemctl allow [email protected]
$ sudo systemctl standing [email protected]

21. Then affirm {that a} VPN tunnel interface has been created utilizing the IP add command as proven.

$ ip add

22. To arrange different OpenVPN purchasers on working programs, use the next purchasers:

Step 4: Uninstall OpenVPN from Ubuntu

23. If you wish to add a brand new VN consumer or revoke an present consumer or take away the OpenVPN server out of your system, merely run the installer script once more. Then choose what you want to do from the record of choices and comply with the prompts.

$ sudo bash openvpn-install.sh

That brings us to the tip of this information. To share any ideas with us or ask questions, use the suggestions kind under. For extra data, go to the openvpn-install script Github repository.