How To Install xbacklight on CentOS 7
Introduction
In this tutorial we learn how to install xbacklight on CentOS 7.
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 CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install xbacklight.
Install xbacklight on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install xbacklight using yum by running the following command:
sudo yum -y install xbacklight
Install xbacklight on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install xbacklight using dnf by running the following command:
sudo dnf -y install xbacklight
How To Uninstall xbacklight on CentOS 7
To uninstall only the xbacklight package we can use the following command:
sudo dnf remove xbacklight
References
Summary
In this tutorial we learn how to install xbacklight on CentOS 7 using yum and dnf.
