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

Step-by-step – Realtek Rtl8812BU Elementary OS 5 Driver Installation

July 30, 2020 | By the+gnu+linux+evangelist.

Installing Requirements

  1. 2. Installing Dependencies

    Then to Install Required Stuff
    First, possibly, upgrade your System with:

    sudo apt upgrade

    Authenticate with the User Admin Pass.
    If Got “User is Not in Sudoers file” then see: How to Enable sudo.
    And if a New Kernel is installed then restart with:

    sudo reboot

    So then run:

    sudo apt install build-essential linux-headers-$(uname -r) dkms git

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