Because xrdp need about 30% of my CPU performance I want to try vnc. But when I start the server with
I get the message
Warning: core2-ros:0 is taken because of /tmp/.X0-lock
Remove this file if there is no X server core2-ros:0
A VNC server is already running as :0
Installation of RealVNC fails becaues the package is not found.
What can I do?