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

How to Install Gnome Tweak Tool on Debian Stretch 9 Gnu/Linux

June 18, 2019 | By the+gnu+linux+evangelist.

Setting Up

  1. 2. Installing GNOME Tweak Tool

    Then to Install GNOME Tweak Tool in Debian Linux

    sudo apt install gnome-tweak-tool

    Or:

    sudo apt install gnome-tweaks

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