How to Install Latest Kernel in CentOS 7.x

Installing

2. 2. Setting Up ELRepo Repository

   How to Install ELRepo for Enterprise Linux Based OSes

   Instructions on Enabling ELRepo

   ElRepo Repository Setup

3. 3. Installing Kernel

   Then to Install the Latest Mainline Linux Kernel for CentOS 7
   Simply run:

   sudo su -c "yum --enablerepo=elrepo-kernel install kernel-ml"

   Especially relevant: if there is a need to have the Kernel Headers installed, you should use the Current Distributed Kernel-Headers package as that is Related to the Current Version of Glibc.
   And if see a Message like “your kernel headers for kernel xxx cannot be found …”, you most likely need the kernel-ml-devel package, Not the kernel-ml-headers Package.