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

How to Install Docker CE on Ubuntu 18.04 Bionic LTS Step By Step

December 15, 2017 | By the+gnu+linux+evangelist.

Docker CE Ubuntu 18.04 - Installing Packages

  1. Login as SuperUser
    The default Docker Administration Requires this Privileges..

    sudo su

    Then to Achieve this Session:

    exit
  2. Check if a Previous Docker Version is Installed
    With:

    which docker

    If Yes then Remove that with:

    apt remove docker docker-engine
  3. Install PreRequisite Packages.

    /napt install apt-transport-https 
    ca-certificates software-properties-common