How To Install firewall-config on Ubuntu 20.04
Introduction
In this tutorial we learn how to install firewall-config on Ubuntu 20.04.
What is firewall-config
firewall-config is:
firewalld is a dynamically managed firewall daemon with support for network/firewall zones to define the trust level of network connections or interfaces. It has support for IPv4, IPv6 firewall settings and for ethernet bridges and has a separation of runtime and persistent configuration options. It also provides a D-Bus interface for services or applications to add and apply firewall rules on-the-fly.
This package provides a graphical configuration tool to change the firewall settings.
There are three methods to install firewall-config on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install firewall-config Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install firewall-config using apt-get by running the following command:
sudo apt-get -y install firewall-config
Install firewall-config Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install firewall-config using apt by running the following command:
sudo apt -y install firewall-config
Install firewall-config 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 firewall-config using aptitude by running the following command:
sudo aptitude -y install firewall-config
How To Uninstall firewall-config on Ubuntu 20.04
To uninstall only the firewall-config package we can use the following command:
sudo apt-get remove firewall-config
Uninstall firewall-config And Its Dependencies
To uninstall firewall-config and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove firewall-config
Remove firewall-config Configurations and Data
To remove firewall-config configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge firewall-config
Remove firewall-config configuration, data, and all of its dependencies
We can use the following command to remove firewall-config configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge firewall-config
References
Summary
In this tutorial we learn how to install firewall-config package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
