Build Kernel Fedora 40 – Step-by-step

GNU/Linux Fedora 40 Build Kernel from Source Code Guide

Hi! This tutorial will guide you step-by-step on How to Download, Build and Install a Custom New Vanilla Kernel from Source Code in Fedora 40 GNU/Linux Desktop.

Especially relevant: this Fedora 40 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 Fedora GNU/Linux Tutorial.

1. 1. Installing Dependencies

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

   
   First, Upgrade your System:

   sudo dnf upgrade

   And Reboot:

   sudo reboot

   Then play:

   sudo dnf groupinstall "Development Tools"

   Further you may need also the C Libraries:

   sudo dnf groupinstall "C Development Tools and Libraries"

   Enable EPEL Repo for Fedora GNU/Linux

   Adding EPEL Repo for Fedora

   EPEL Repository for Fedora
   And again:

   sudo dnf 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