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

Step-by-step – How to GKSu in Ubuntu 20.04 Guide

February 6, 2021 | By the+gnu+linux+evangelist.

GNU/Linux Ubuntu 20.04 Installing GKSu – QuickStart Guide

Hi! The Tutorial shows you Step-by-Step How Emulate GKSu in Ubuntu 20.04 Focal LTS GNU/Linux Desktop.

And GKSu for Ubuntu 20.04 is a Library that provides a Gtk+ Frontend to su and sudo.

Moreover, it supports login shells and preserving environment when acting as a su frontend. It is useful to Menu items or other Graphical Programs that need to ask a user’s Password to run another Program as another User.

Especially relevant: GKSu is NOT ANYMORE AVAILABLE, it has been definitively removed from Repos for SECURITY ISSUES concerns.

So see instead the: GKSu Alternative Pkexec.

Step-by-step – GKSu Ubuntu 20.04 Installation Guide

  1. 1. Launching Terminal

    Open a Terminal window
    Ctrl+Alt+t on Desktop
    (Press “Enter” to Execute Commands)

    How to Install GKSu in Ubuntu 20.04 Focal LTS - Open Terminal Shell Emulator
    In case first see: Terminal QuickStart Guide.

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