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

How to Install ActiveMQ on Ubuntu Gnu/Linux Distro

GNU/Linux Ubuntu Installing ActiveMQ 5 Guide

How to Install ActiveMQ 5 on Ubuntu GNU/Linux Distribution.

And Apache ActiveMQ for Ubuntu is the Most Popular Open Source, Multi-Protocol, Java-based Messaging Server.

Moreover, its Supports Industry Standard Protocols so users get the benefits of Client Choices across a Broad Range of Languages and Platforms.

How to Install ActiveMQ on Ubuntu GNU/Linux Distro

GNU/Linux Ubuntu Apache ActiveMQ Installation Guide