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

How to Install Flatpak Linux Mint 19 LTS

August 25, 2018 | By the+gnu+linux+evangelist.

Setting Up PPA

  1. 2. Enabling Flatpak Repo

    Then to Add Flatpak Repository for Mint
    Execute:

    sudo add-apt-repository ppa:alexlarsson/flatpak

    And then to Refresh Apt Repos:

    sudo apt update

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

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