How To Install brightnessctl on Fedora 34

brightnessctl is Read and control device brightness

Introduction

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

What is brightnessctl

This program allows you read and control device brightness. Devices, by default, include back-light and LEDs (searched for in corresponding classes). It can also preserve current brightness before applying the operation, allowing for use cases like disabling back-light on lid close.

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

Install brightnessctl 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 brightnessctl using dnf by running the following command:

sudo dnf -y install brightnessctl

Install brightnessctl 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 brightnessctl using yum by running the following command:

sudo yum -y install brightnessctl

How To Uninstall brightnessctl on Fedora 34

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

sudo dnf remove brightnessctl

brightnessctl Package Contents on Fedora 34

/usr/bin/brightnessctl
/usr/lib/.build-id
/usr/lib/.build-id/39
/usr/lib/.build-id/39/383afab4d0820affbb3902a6425347efef848b
/usr/share/doc/brightnessctl
/usr/share/doc/brightnessctl/README.md
/usr/share/licenses/brightnessctl
/usr/share/licenses/brightnessctl/LICENSE
/usr/share/man/man1/brightnessctl.1.gz

References

Summary

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