GNU/Linux Red Hat Linux 9 Building Kernel 5.18 from Source Code Guide
Hi! This tutorial will guide you step-by-step on How to Build and Install a New Custom Kernel 5.18 from Source Code in Red Hat Linux 9.x GNU/Linux.
Especially relevant: this Red Hat Linux 9 Kernel 5.18 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 Red Hat GNU/Linux Tutorial.

1. Installing Dependencies
Open a Terminal Shell emulator window
(Press “Enter” to Execute Commands)And Reboot:Copysudo dnf upgrade
Then play:Copysudo reboot now
And again:Copysudo yum group install "Development Tools"
Authenticate with the User Admin Pass.Copysudo dnf install openssl openssl-devel dwarves rpm-build libelf-devel elfutils-libelf-devel ncurses
If Got “User is Not in Sudoers file” then see: How to Enable sudo.2. Making Target Directory
Now make the Target Folder
With:Copymkdir ~/kernel
3. Downloading Linux Kernel
Download Linux Kernel 5.18 Source Code for Red Hat GNU/Linux
Here Linux Kernel 5.18 tar.xz ArchiveLink to Download Linux Kernel 5.18 Source Code Archive for Red Hat Linux4. Extracting Linux Kernel Archive
Then Extract Linux Kernel into the target Directory
First, access it:Then to untar the downloaded Kernel Source into the current Folder run:Copycd ~/kernel
Or in case of a tar.gz Archive use instead:Copytar -xafv ~/Downloads/linux*.tar.xz
Copytar -xvzf ~/Downloads/linux*.tar.gz
Contents