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

How to Install GKSu on Ubuntu Gnu/Linux Distro

GNU/Linux Ubuntu Installing GKSu Guide

Hi! The Tutorial shows you Step-by-Step How Emulate GKSu in Ubuntu GNU/Linux Desktops.

And GKSu for Ubuntu 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.

Finally, this Setup is valid for all the Ubuntu-based Distros like:

  • Linux Mint
  • Zorin OS
  • Lubuntu
  • Elementary OS
  • Kde Neon
  • Pop_OS!
  • Xubuntu
  • Linux Lite
  • Bodhi
  • Puppy
  • Kubuntu
  • LXLE
  • Trisquel
  • Voyager Ubuntu
  • feren OS
  • Peppermint
  • Linux Ultimate Edition
  • (You may just need to Discover what’s the Parent Release)
How to Install GKSu in Ubuntu - Featured

GNU/Linux Ubuntu GKSu Installation Guide