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

How to Install CUPS Printer Drivers on Ubuntu 18.04 Bionic LTS

November 2, 2019 | By the+gnu+linux+evangelist.

Installing CUPS Service

  1. 2. Installing CUPS Print Server

    Then to Install CUPS Printing Service in Ubuntu

    sudo apt install cups cups-client cups-filters cups-ipp-utils

    If Got “User is Not in Sudoers file” then see: How to Enable sudo

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