How To Install zbar on CentOS 7

In this tutorial we learn how to install zbar on CentOS 7. zbar is Bar code reader

Introduction

In this tutorial we learn how to install zbar on CentOS 7.

What is zbar

A layered barcode scanning and decoding library. Supports EAN, UPC, Code 128, Code 39 and Interleaved 2 of 5. Includes applications for decoding captured barcode images and using a video device (eg, webcam) as a barcode scanner.

We can use yum or dnf to install zbar on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install zbar.

Install zbar on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install zbar using yum by running the following command:

sudo yum -y install zbar

Install zbar on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install zbar using dnf by running the following command:

sudo dnf -y install zbar

How To Uninstall zbar on CentOS 7

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

sudo dnf remove zbar

References

Summary

In this tutorial we learn how to install zbar on CentOS 7 using yum and dnf.