How To Install firewall-applet on Debian 12

Learn how to install firewall-applet on Debian 12 with this tutorial. firewall-applet is panel applet providing status information of firewalld

Introduction

In this tutorial we learn how to install firewall-applet on Debian 12.

What is firewall-applet

firewall-applet 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 panel applet which shows status information of firewalld.

There are three methods to install firewall-applet on Debian 12. 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-applet 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-applet using apt-get by running the following command:

sudo apt-get -y install firewall-applet

Install firewall-applet Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install firewall-applet using apt by running the following command:

sudo apt -y install firewall-applet

Install firewall-applet 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install firewall-applet using aptitude by running the following command:

sudo aptitude -y install firewall-applet

How To Uninstall firewall-applet on Debian 12

To uninstall only the firewall-applet package we can use the following command:

sudo apt-get remove firewall-applet

Uninstall firewall-applet And Its Dependencies

To uninstall firewall-applet and its dependencies that are no longer needed by Debian 12, we can use the command below:

sudo apt-get -y autoremove firewall-applet

Remove firewall-applet Configurations and Data

To remove firewall-applet configuration and data from Debian 12 we can use the following command:

sudo apt-get -y purge firewall-applet

Remove firewall-applet configuration, data, and all of its dependencies

We can use the following command to remove firewall-applet configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge firewall-applet

Dependencies

firewall-applet have the following dependencies:

References

Summary

In this tutorial we learn how to install firewall-applet package on Debian 12 using different package management tools: apt, apt-get and aptitude.