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

How to Install Kernel Source Without Internet on Ubuntu Gnu/Linux Distro

GNU/Linux Ubuntu Kernel Source Offline Installation

Hi! This tutorial will guide you step-by-step on How to Download and Install Linux Image for Ubuntu GNU/Linux Computers.

And the Ubuntu linux-image Package provide the complete Source Code for the Linux Kernel.

Most noteworthy: to achieve this Setup you simply need any Online Computer with a Browser and a USB Stick to Copy the downloaded Package.

But if you dispose of an Android Mobile Phone with Internet Acces, then an Easier Solution should be of using it! See: Internet Connection USB Tethering Guide.

How to Install Linux Image without Internet on Ubuntu GNU/Linux - Featured

GNU/Linux Ubuntu Image Installation Guide