GNU/Linux Ubuntu Building Kernel 5.11 from Source Code Guide
Hi! The Tutorial Shows You Step-by-step How to Build and Install a New Custom Kernel 5.11 from Source Code in Ubuntu GNU/Linux Distribution.
Especially relevant: this Ubuntu Kernel 5.11 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.