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

Step-by-step – GutenPrint Ubuntu 21.04 Installation

April 19, 2021 | By the+gnu+linux+evangelist.

Installing

  1. 2. Installing GutenPrint

    Then Install GutenPrint Printer Drivers on Ubuntu
    Simply play:

    sudo apt install printer-driver-gutenprint

    Again for the GIMP Plugin run:

    sudo apt install gimp-gutenprint

    Authenticate with the User Admin Pass.
    If Got “User is Not in Sudoers file” then see: How to Enable sudo.
    Else to Install the latest GutenPrint see: Source Setup