How To Install zbar-tools on Ubuntu 20.04
Introduction
In this tutorial we learn how to install zbar-tools on Ubuntu 20.04.
What is zbar-tools
zbar-tools is:
ZBar is a library for scanning and decoding bar codes from various sources such as video streams, image files or raw intensity sensors. It supports EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2 of 5 and QR Code.
This package contains basic applications for decoding captured bar code images and using a video4linux device (e.g. webcam) as a bar code scanner.
There are three methods to install zbar-tools 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 zbar-tools Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install zbar-tools using apt-get by running the following command:
sudo apt-get -y install zbar-tools
Install zbar-tools Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install zbar-tools using apt by running the following command:
sudo apt -y install zbar-tools
Install zbar-tools 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 zbar-tools using aptitude by running the following command:
sudo aptitude -y install zbar-tools
How To Uninstall zbar-tools on Ubuntu 20.04
To uninstall only the zbar-tools package we can use the following command:
sudo apt-get remove zbar-tools
Uninstall zbar-tools And Its Dependencies
To uninstall zbar-tools and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove zbar-tools
Remove zbar-tools Configurations and Data
To remove zbar-tools configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge zbar-tools
Remove zbar-tools configuration, data, and all of its dependencies
We can use the following command to remove zbar-tools configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge zbar-tools
References
Summary
In this tutorial we learn how to install zbar-tools package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
