How to Install Kernel 5.12 From Source on openSUSE

GNU/Linux openSUSE Building Kernel 5.12 from Source Code Guide

Hi! This tutorial will guide you step-by-step on How to Build and Install a New Custom Kernel 5.12 from Source Code in openSUSE 42.x-Leap/15.x-Leap/Tumbleweed GNU/Linux Desktop.

Especially relevant: this openSUSE Linux Kernel 5.12 Setup make use of the latest 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 openSUSE GNU/Linux Tutorial.

1. 1. Installing Dependencies

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

   
   First, Upgrade your System:

   sudo zypper ref && sudo zypper update

   And Reboot:

   sudo reboot

   Then play:

   sudo zypper in -t pattern devel_basis

   And again:

   sudo zypper in bc openssl openssl-devel dwarves rpm-build libelf-devel elfutils-libelf-devel

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.
   In case you are prompted confirm the setup with “1”.

2. 2. Making Target Directory

   Now make the Target Folder
   With:

   sudo mkdir ~/kernel