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

Step-by-step – VirtualBox Xubuntu 20.04 Gnu/Linux Installation

March 1, 2020 | By the+gnu+linux+evangelist.

Installing

  1. 2. Installing VirtualBox

    Then to Install VirtualBox in Xubuntu GNU/Linux
    First, search for the available Versions with:

    sudo apt search virtualbox-

    And then for instance to Setup the 7.0 Release play:

    sudo apt install virtualbox-7.0

    Authenticate with the User Admin Pass.
    If Got “User is Not in Sudoers file” then see: How to Enable sudo.

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