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

Step-by-step – AirPrint openSUSE Linux Installation

February 22, 2021 | By the+gnu+linux+evangelist.

Installing AirPrint

  1. 4. Installing Printer

    First, check if the Printer is correctly Installed on Desktop running:

    sudo cat /etc/cups/printers.conf

    In the Output you should find trace of the present Printer.
    Eventually see How to Install Printer in GNU/Linux Desktops

    Printer GNU/Linux Desktops Setup Guide
    CUPS Printer in System
  2. 5. Setting up Avahi

    So to Install Avahi Daemon
    First, run:

    sudo zypper in avahi-daemon

    Next to Start it play:

    sudo service avahi-daemon start

    Again to enable it at Boot:

    sudo systemctl enable avahi-daemon

    Eventually to open in Firewall the Port it listen:

    sudo ufw allow 5353/udp

    And the Avahi Server implementation supports Printer IPP Driverless connection out-of-box.

  3. 5. Editing CUPS Config

    Next Edit CUPS Configuration File
    With the nano Editor the Command is like:

    sudo nano /etc/cups/cupsd.conf

    Append:

    ServerAlias * Port 631 Listen /var/run/cups/cups.sock

    And Ctrl+x to Save & Exit from nano Editor!
    Finally, restart CUPS:

    sudo /etc/init.d/cups restart

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