Step-by-step – Build Kernel CentOS 7 Guide

December 28, 2020 | By the+gnu+linux+evangelist | Filed in: Tutorial.

GNU/Linux CentOS 7 Build Kernel from Source Code Guide

Hi! The Tutorial Shows You Step-by-step How to Build and Install a Custom New Vanilla Kernel from Source Code on CentOS 7.x GNU/Linux Desktop/Server.

Especially relevant: this CentOS 7 Kernel Setup make use of the original Linux Kernel Source Code.

Again this tutorial make it the Easy Way and so is intended especially for Beginners.

Important to know how this Setup does Not change your existing System and so in any case you will be able to startup with the current Kernel from the Grub Splash Screen.

For further advanced Kernel Configuration instructions you may see the Linux Kernel Documentation.

Finally, for a Non Bootable System before see How to chroot on CentOS GNU/Linux Tutorial.

Step-by-step – Build Kernel CentOS 7 Guide
  1. 1. Installing Requirements

    Open a Terminal Shell emulator window
    (Press “Enter” to Execute Commands)

    Build Kernel CentOS Linux 7 Guide - Open Terminal
    First, Upgrade your System:
    sudo yum update && sudo yum upgrade
    And Reboot:
    sudo reboot
    Then play:
    sudo yum group install "Development Tools"

    Enable EPEL Repo for CentOS GNU/Linux

    Adding EPEL Repo for CentOS
    And again:
    sudo yum install openssl openssl-devel dwarves rpm-build libelf-devel elfutils-libelf-devel ncurses
    Authenticate with the User Admin Pass.
    If Got “User is Not in Sudoers file” then see: How to Enable sudo.
  2. 2. Making Target Directory

    Now make the Target Folder
    With:

    mkdir ~/kernel

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