How To Install pngnq on CentOS 7
Introduction
In this tutorial we learn how to install pngnq on CentOS 7.
What is pngnq
Pngnq is a tool for quantizing PNG images in RGBA format. The neuquant algorithm uses a neural network to optimise the color map selection. This is fast and quite accurate, giving good results on many types of images.
We can use yum or dnf to install pngnq on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install pngnq.
Install pngnq on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install pngnq using yum by running the following command:
sudo yum -y install pngnq
Install pngnq 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 pngnq using dnf by running the following command:
sudo dnf -y install pngnq
How To Uninstall pngnq on CentOS 7
To uninstall only the pngnq package we can use the following command:
sudo dnf remove pngnq
References
Summary
In this tutorial we learn how to install pngnq on CentOS 7 using yum and dnf.