How To Install pngnq on Fedora 34
Introduction
In this tutorial we learn how to install pngnq
on Fedora 34.
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 Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install pngnq.
Install pngnq 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 pngnq
using dnf
by running the following command:
sudo dnf -y install pngnq
Install pngnq 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 pngnq
using yum
by running the following command:
sudo yum -y install pngnq
How To Uninstall pngnq on Fedora 34
To uninstall only the pngnq
package we can use the following command:
sudo dnf remove pngnq
pngnq Package Contents on Fedora 34
/usr/bin/pngcomp
/usr/bin/pngnq
/usr/lib/.build-id
/usr/lib/.build-id/4b
/usr/lib/.build-id/4b/25767c5e3139dc2d44556b66d1e0dc78e10540
/usr/lib/.build-id/c1
/usr/lib/.build-id/c1/f7cabe40d14af9ff19559534cbca2f8dff8321
/usr/share/doc/pngnq
/usr/share/doc/pngnq/COPYING
/usr/share/doc/pngnq/README
/usr/share/man/man1/pngnq.1.gz
References
Summary
In this tutorial we learn how to install pngnq
on Fedora 34 using yum and dnf.