How To Install openvpn on Ubuntu 22.04
Introduction
In this tutorial we learn how to install openvpn on Ubuntu 22.04.
What is openvpn
openvpn is:
OpenVPN is an application to securely tunnel IP networks over a single UDP or TCP port. It can be used to access remote sites, make secure point-to-point connections, enhance wireless security, etc.
OpenVPN uses all of the encryption, authentication, and certification features provided by the OpenSSL library (any cipher, key size, or HMAC digest).
OpenVPN may use static, pre-shared keys or TLS-based dynamic key exchange. It also supports VPNs with dynamic endpoints (DHCP or dial-up clients), tunnels over NAT or connection-oriented stateful firewalls (such as Linux’s iptables).
There are three methods to install openvpn on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install openvpn Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install openvpn using apt-get by running the following command:
sudo apt-get -y install openvpn
Install openvpn Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install openvpn using apt by running the following command:
sudo apt -y install openvpn
Install openvpn Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install openvpn using aptitude by running the following command:
sudo aptitude -y install openvpn
How To Uninstall openvpn on Ubuntu 22.04
To uninstall only the openvpn package we can use the following command:
sudo apt-get remove openvpn
Uninstall openvpn And Its Dependencies
To uninstall openvpn and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove openvpn
Remove openvpn Configurations and Data
To remove openvpn configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge openvpn
Remove openvpn configuration, data, and all of its dependencies
We can use the following command to remove openvpn configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge openvpn
References
Summary
In this tutorial we learn how to install openvpn package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.
