@eyesallin said:
I am using a PI 5 with Linux bookworm
OK, with Pi5/bookworm the wayland standard config should work…
Or do you have re-configured to X11?
You can check right syntax for your system by trial&error on commandline in terminal window.
If you are working headless (remote terminal) you have to place a „DISPLAY:0“ in front of the command you are trying…
Regards,
Ralf