How To Install qtqr on Ubuntu
Posted on April 1, 2023 (Last modified on May 20, 2023 )
2 minutes • 356 words
Introduction
In this tutorial we learn how to install qtqr on Ubuntu.
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 Ubuntu. 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 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 qtqr using aptitude by running the following command:
sudo aptitude -y install qtqr
How To Uninstall qtqr on Ubuntu
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 Ubuntu, we can use the command below:
sudo apt-get -y autoremove qtqr
Remove qtqr Configurations and Data
To remove qtqr configuration and data from Ubuntu 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 Ubuntu using different package management tools: apt, apt-get and aptitude.