How To Install wl-gammactl on Fedora 36

In this tutorial we learn how to install wl-gammactl in Fedora 36. wl-gammactl is Set contrast, brightness and gamma for wayland compositors

Introduction

In this tutorial we learn how to install wl-gammactl on Fedora 36.

What is `wl-gammactl`

Small GTK GUI application to set contrast, brightness and gamma for wayland compositors which support the wlr-gamma-control protocol extension. Basically this is the example from here https with a nice little GTK GUI slapped on to it. You can set contrast, brightness and gamma using sliders and reset back to default values. This was made to make the process of calibrating your monitor a bit easier, since wayland support for color profiles is not yet implemented. When you are satisfied with your settings, copy the given command line and execute it at startup to make the settings load at apply on every boot. Keep in mind that it uses the same protocol extension as the redshift fork https wl-gammactl will kick out any running redshift instance and fail to start up. On second run it should work as expected. So unfortunately only one can run at a time (?) for now.

We can use yum or dnf to install wl-gammactl on Fedora 36. In this tutorial we discuss both methods but you only need to choose one of method to install wl-gammactl.

Install wl-gammactl on Fedora 36 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

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

sudo dnf -y install wl-gammactl

Install wl-gammactl on Fedora 36 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

After updating yum database, We can install wl-gammactl using yum by running the following command:

sudo yum -y install wl-gammactl

How To Uninstall wl-gammactl on Fedora 36

To uninstall only the wl-gammactl package we can use the following command:

sudo dnf remove wl-gammactl

wl-gammactl Package Contents on Fedora 36

/usr/bin/wl-gammactl
/usr/lib/.build-id
/usr/lib/.build-id/22
/usr/lib/.build-id/22/0d873a27b02a5180f1bce6bd7cef51144391b1
/usr/share/applications/wl-gammactl.desktop
/usr/share/doc/wl-gammactl
/usr/share/doc/wl-gammactl/README.md
/usr/share/licenses/wl-gammactl
/usr/share/licenses/wl-gammactl/LICENSE

References

wl-gammactl website

Summary

In this tutorial we learn how to install wl-gammactl on Fedora 36 using yum and [dnf]((/fedora/36/dnf/).