How To Install light on Fedora 34

light is Control backlight controllers

Introduction

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

What is light

Light is a program to control backlight controllers under GNU/Linux, it is the successor of lightscript, which was a bash script with the same purpose, and tries to maintain the same functionality. Features - Works excellent where other software have been proven unusable or problematic, thanks to how it operates internally and the fact that it does not rely on X. - Can automatically figure out the best controller to use, making full use of underlying hardware. - Possibility to set a minimum brightness value, as some controllers set the screen to be pitch black at a value of 0 (or higher).

We can use yum or dnf to install light on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install light.

Install light 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 light using dnf by running the following command:

sudo dnf -y install light

Install light 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 light using yum by running the following command:

sudo yum -y install light

How To Uninstall light on Fedora 34

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

sudo dnf remove light

light Package Contents on Fedora 34

/usr/bin/light
/usr/lib/.build-id
/usr/lib/.build-id/0f
/usr/lib/.build-id/0f/d396c1e1e29cb64d61796827557e8f4d91497d
/usr/share/doc/light
/usr/share/doc/light/COPYING
/usr/share/doc/light/ChangeLog.md
/usr/share/doc/light/README.md
/usr/share/man/man1/light.1.gz

References

Summary

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