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

Step-by-step – VirtualBox Installation in Debian Buster

April 29, 2019 | By the+gnu+linux+evangelist.

Installing

  1. 2. Setting Up Repo

    Enable VirtualBox Repo for Debian GNU/Linux

    Add VirtualBox Repo for Debian
  2. 3. Installing VirtualBox

    Then to Install VirtualBox in Debian GNU/Linux
    Simply run:

    sudo apt install virtualbox

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

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