How To Install xbacklight on Fedora 34

xbacklight is Adjust backlight brightness using RandR

Introduction

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

What is xbacklight

Xbacklight is used to adjust the backlight brightness where supported. It finds all outputs on the X server supporting backlight brightness control and changes them all in the same way.

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

Install xbacklight 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 xbacklight using dnf by running the following command:

sudo dnf -y install xbacklight

Install xbacklight 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 xbacklight using yum by running the following command:

sudo yum -y install xbacklight

How To Uninstall xbacklight on Fedora 34

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

sudo dnf remove xbacklight

xbacklight Package Contents on Fedora 34

/usr/bin/xbacklight
/usr/lib/.build-id
/usr/lib/.build-id/df
/usr/lib/.build-id/df/d724775d1c09fac5d0e750ba66d4ee720f917b
/usr/share/doc/xbacklight
/usr/share/doc/xbacklight/ChangeLog
/usr/share/doc/xbacklight/README.md
/usr/share/licenses/xbacklight
/usr/share/licenses/xbacklight/COPYING
/usr/share/man/man1/xbacklight.1.gz

References

Summary

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