How To Install pngcheck-extras on CentOS 7
Introduction
In this tutorial we learn how to install pngcheck-extras on CentOS 7.
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 7. 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 7 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 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 pngcheck-extras using dnf by running the following command:
sudo dnf -y install pngcheck-extras
How To Uninstall pngcheck-extras on CentOS 7
To uninstall only the pngcheck-extras package we can use the following command:
sudo dnf remove pngcheck-extras
References
Summary
In this tutorial we learn how to install pngcheck-extras on CentOS 7 using yum and dnf.
