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

Step-by-step – Gnome Tweak Tool Red Hat Linux 8 Installation

May 2, 2020 | By the+gnu+linux+evangelist.

Setting Up

  1. 2. Installing GNOME Tweak Tool

    Then to Install GNOME Tweak Tool in Red Hat Linux

    sudo dnf install gnome-tweak-tool

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