How To Install qtqr on Kali Linux

In this tutorial we learn how to install qtqr on Kali Linux. qtqr is Qt frontend for QR code generator and decoder

Introduction

In this tutorial we learn how to install qtqr on Kali Linux.

What is qtqr

qtqr is:

A Qt based software that help you to generate QR codes easily, scan an image file for QR codes and decode them or use your webcam to scan a printed one.

There are three methods to install qtqr on Kali Linux. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install qtqr Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

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

sudo apt-get -y install qtqr

Install qtqr Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install qtqr using apt by running the following command:

sudo apt -y install qtqr

Install qtqr Using aptitude

If you want to follow this method, you might need to install aptitude on Kali Linux first since aptitude is usually not installed by default on Kali Linux. Update apt database with aptitude using the following command.

sudo aptitude update

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

sudo aptitude -y install qtqr

How To Uninstall qtqr on Kali Linux

To uninstall only the qtqr package we can use the following command:

sudo apt-get remove qtqr

Uninstall qtqr And Its Dependencies

To uninstall qtqr and its dependencies that are no longer needed by Kali Linux, we can use the command below:

sudo apt-get -y autoremove qtqr

Remove qtqr Configurations and Data

To remove qtqr configuration and data from Kali Linux we can use the following command:

sudo apt-get -y purge qtqr

Remove qtqr configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge qtqr

Dependencies

qtqr have the following dependencies:

References

Summary

In this tutorial we learn how to install qtqr package on Kali Linux using different package management tools: apt, apt-get and aptitude.