Step-by-step – How to GKSu in Debian Bullseye

Setting Up

2. 2. Running Program

   Hence to Run GUI App as another User on Linux
   The General Command is:

   sudo pkexec env DISPLAY=$DISPLAY XAUTHORITY=$XAUTHORITY [MYPROGRAM]

   Like:

   sudo pkexec env DISPLAY=$DISPLAY XAUTHORITY=$XAUTHORITY /usr/local/bin/hardinfo