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

How to Install CUPS on Debian Gnu/Linux Distro

GNU/Linux Debian Install CUPS – QuickStart Guide

Hi! The Tutorial shows you Step-by-Step How to Install CUPS in Debian GNU/Linux Distribution.

And CUPS for Debian is a Modular Printing System for Unix-like OSes which allows a Computer to Act as a Print Server.

A Computer running CUPS is a Host that can accept Print Jobs from Client Computers, process them, and send them to the appropriate Printer.

Again CUPS consists of a Print Spooler and Scheduler, a Filter System that converts the Print Data to a Format that the Printer will understand, and a Backend System that sends this Data to the Print Device.

Moreover, CUPS uses the Internet Printing Protocol (IPP) as the Basis for managing Print Jobs and Queues.

Step-by-step Install CUPS in Debian GNU/Linux - Featured

GNU/Linux Debian CUPS Installation Guide