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

How to Install Trac on Gnu/Linux Distros

GNU/Linux Installing Trac Guide

Hi! The Tutorial shows you Step-by-Step How to Install Trac in GNU/Linux Desktops.

And Trac for Linux is an enhanced Wiki and Issue Tracking System for Software Development Projects.

Moreover, Trac uses a Minimalistic approach to Web-Based Software Project Management.

Step-by-step Install Trac in Ubuntu - Featured

GNU/Linux Trac Issue Tracker Installation Guide