How To Install pngcheck-extras on CentOS 8

In this tutorial we learn how to install pngcheck-extras on CentOS 8. pngcheck-extras is Helper utilities distributed with pngcheck

Introduction

In this tutorial we learn how to install pngcheck-extras on CentOS 8.

What is `pngcheck-extras`

Included with pngcheck (since version 2.1.0) are two helper utilities - pngsplit - break a PNG, MNG or JNG image into constituent chunks (numbered for easy reassembly) - png-fix-IDAT-windowsize - fix minor zlib-header breakage caused by libpng 1.2.6

We can use yum or dnf to install pngcheck-extras on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install pngcheck-extras.

Install pngcheck-extras on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install pngcheck-extras using yum by running the following command:

sudo yum -y install pngcheck-extras

Install pngcheck-extras on CentOS 8 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 pngcheck-extras using dnf by running the following command:

sudo dnf -y install pngcheck-extras

How To Uninstall pngcheck-extras on CentOS 8

To uninstall only the pngcheck-extras package we can use the following command:

sudo dnf remove pngcheck-extras

References

pngcheck-extras website

Summary

In this tutorial we learn how to install pngcheck-extras on CentOS 8 using yum and dnf.