yum -y install yum-plugin-fastestmirror Cent OS 7 System updated and all packages upgraded to latest versions.In this tutorial, we will use Cent OS 7.3 with default kernel 3.10.Updating the kernel on Red Hat Linux or Cent OS Linux is a very simple process.Most commonly you will use the following command in the case of a security vulnerability, or perhaps just to verify that you’re running the most up-to-date kernel: is the package you’re updating!ELRepo is focused on the packages related to hardware, including filesystem drivers, graphic drivers, network drivers, sound card drivers, webcam, and others.The first thing we must do before upgrading the kernel is to upgrade all packages to the latest version.
After all, many users devote considerable time to figure out the best configuration for the system, and losing that information is definitely not wanted. In this case the best way to go is to remember the option name and revise it afterwards through one of the graphical kernel configuration tools.
Installing new kernel sources doesn't provide the user with a new kernel.
It is necessary to make and install a new kernel from the new sources and then reboot the system to actually run the new kernel.
Update the repository and all packages to latest versions with the yum command below.
yum -y update Now install the following package to make installation and updating process fast.