$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Build Custom Kernel in Gnu/Linux Distros

GNU/Linux Building Kernel from Source Code Guide

Hi! The linked Tutorials Show you Step-by-step How to Download, Build and Install a Custom New Vanilla Kernel from Source Code in GNU/Linux Distributions.

Especially relevant: this GNU/Linux Kernel Setup make use of the original Linux Kernel Source Code.

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

Build Kernel GNU+Linux Guide - Featured

GNU/Linux Custom Kernel Installation Guide