How To Install pngcrush on CentOS 7
Introduction
In this tutorial we learn how to install pngcrush
on CentOS 7.
What is pngcrush
%{pngcrush} is an optimizer for PNG (Portable Network Graphics) files. It can be run from a commandline in an MSDOS window, or from a UNIX or LINUX commandline. Its main purpose is to reduce the size of the PNG IDAT datastream by trying various compression levels an PNG filter methods. It also can be used to remove unwanted ancillary chunks, or to add certain chunks including gAMA, tRNS, iCCP, and textual chunks.
We can use yum
or dnf
to install pngcrush
on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install pngcrush.
Install pngcrush on CentOS 7 Using yum
Update yum database with yum
using the following command.
After updating yum database, We can install pngcrush
using yum
by running the following command:
Install pngcrush 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.
After updating yum database, We can install pngcrush
using dnf
by running the following command:
How To Uninstall pngcrush on CentOS 7
To uninstall only the pngcrush
package we can use the following command:
References
Summary
In this tutorial we learn how to install pngcrush
on CentOS 7 using yum
and dnf
.