How To Install libpng on CentOS 7

In this tutorial we learn how to install libpng on CentOS 7. libpng is A library of functions for manipulating PNG image format files

Introduction

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

What is libpng

The libpng package contains a library of functions for creating and manipulating PNG (Portable Network Graphics) image format files. PNG is a bit-mapped graphics format similar to the GIF format. PNG was created to replace the GIF format, since GIF uses a patented data compression algorithm. Libpng should be installed if you need to manipulate PNG format image files. The libpng package contains a library of functions for creating and manipulating PNG (Portable Network Graphics) image format files. PNG is a bit-mapped graphics format similar to the GIF format. PNG was created to replace the GIF format, since GIF uses a patented data compression algorithm. Libpng should be installed if you need to manipulate PNG format image files.

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

Install libpng on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

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

sudo yum -y install libpng

Install libpng 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 libpng using dnf by running the following command:

sudo dnf -y install libpng

How To Uninstall libpng on CentOS 7

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

sudo dnf remove libpng

References

Summary

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