I am running raspbian and running tightvncserver. This run independently on main screen so it should be run multiple times. systemd starting script /etc/systemd/system/vnc.service
[Unit] Description=VNC server After=graphical.target [Service] Type=forking User=pi WorkingDirectory=/home/pi ExecStart=tightvncserver -geometry 1920x1080 :1 ExecStop=tightvncserver -kill :1 [Install] WantedBy=default.target