How To Install libpng on Fedora 34

libpng is A library of functions for manipulating PNG image format files A library of functions for manipulating PNG image format files

Introduction

In this tutorial we learn how to install libpng on Fedora 34.

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. libpng 2 1.6.37 10.fc34 x86_64 119 k libpng-1.6.37-10.fc34.src.rpm fedora A library of functions for manipulating PNG image format files http zlib 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 Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install libpng.

Install libpng on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

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

sudo dnf -y install libpng

Install libpng on Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

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

sudo yum -y install libpng

How To Uninstall libpng on Fedora 34

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

sudo dnf remove libpng

libpng Package Contents on Fedora 34

/usr/lib/.build-id
/usr/lib/.build-id/01
/usr/lib/.build-id/01/de0103128c1a5e31c0855cdc85146f5e0e2689
/usr/lib/libpng16.so.16
/usr/lib/libpng16.so.16.37.0
/usr/share/licenses/libpng
/usr/share/licenses/libpng/LICENSE
/usr/share/man/man5/png.5.gz
/usr/lib/.build-id
/usr/lib/.build-id/d8
/usr/lib/.build-id/d8/9d224abdfd5e65dfa6cf4779cdd72a4b31352e
/usr/lib64/libpng16.so.16
/usr/lib64/libpng16.so.16.37.0
/usr/share/licenses/libpng
/usr/share/licenses/libpng/LICENSE
/usr/share/man/man5/png.5.gz

References

[libpng website](http://www.libpng.org/pub/png/ http://www.libpng.org/pub/png/)

Summary

In this tutorial we learn how to install libpng on Fedora 34 using yum and dnf.