Step-by-step – Build Kernel CentOS 7 Guide

Downloading

3. 3. Downloading Linux Kernel

   Download Linux Kernel Source Code for CentOS GNU/Linux

   Linux Kernel tar.xz Archive

   Downloading Linux Kernel for CentOS

   Grab the tar.xz or tar.gz Archive from the List.
   If uncertain about what is a safe choice then opt for the latest Longterm release.

4. 4. Extracting Linux Kernel Archive

   Then Extract Linux Kernel into the target Directory
   First, access it:

   cd ~/kernel

   Then to untar the downloaded Kernel Source into the current Folder run:

   tar -xafv ~/Downloads/linux*.tar.xz

   Or in case of a tar.gz Archive use instead:

   tar -xvzf ~/Downloads/linux*.tar.gz