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

How to Boot to Runlevel 3 on RHEL-based Distros

Boot to Runlevel 3 CentOS Guide

How to Boot CentOS GNU/Linux to Runlevel 3.

By Default, a System Boots either to Runlevel 3 or to Runlevel 5. The Run Level 3 is the CLI Default Server Mode and Instead, Run Level 5 is the Default GUI desktop Mode.

Especially relevant: for a desktop first we Reboot system and then Go to Runlevel 3.

How to Boot Runlevel 3 on CentOS GNU/Linux Distro

GNU/Linux RHEL-based Boot to Runlevel 3 Guide