How To Install mdevctl on CentOS 8
Introduction
In this tutorial we learn how to install mdevctl on CentOS 8.
What is mdevctl
mdevctl is a utility for managing and persisting devices in the mediated device device framework of the Linux kernel. Mediated devices are sub-devices of a parent device (ex. a vGPU) which can be dynamically created and potentially used by drivers like vfio-mdev for assignment to virtual machines.
We can use yum or dnf to install mdevctl on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install mdevctl.
Install mdevctl on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install mdevctl using yum by running the following command:
sudo yum -y install mdevctl
Install mdevctl on CentOS 8 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 mdevctl using dnf by running the following command:
sudo dnf -y install mdevctl
How To Uninstall mdevctl on CentOS 8
To uninstall only the mdevctl package we can use the following command:
sudo dnf remove mdevctl
References
Summary
In this tutorial we learn how to install mdevctl on CentOS 8 using yum and dnf.