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

How to Add Nvidia Repository on Mint Gnu/Linux Distro

GNU/Linux Mint Adding NVIDIA Graphics Repo Guide

Hi! The linked Guides shows you How to Add the NVIDIA PPA Repository for Mint GNU/Linux Desktops.

And this Linux Mint NVIDIA PPA Repo Setup includes most of the NVIDIA Driver.

Linux Mint NVIDIA Repository Install - Featured

GNU/Linux Mint NVIDIA Driver Repository Installation Guide