sudo apt update
sudo apt install lightdm
sudo reboot
sudo apt install x11vnc
sudo vim /lib/systemd/system/x11vnc.service
------------------------
[Unit]
Description=x11vnc service
After=display-manager.service network.target syslog.target
[Service]
Type=simple
ExecStart=/usr/bin/x11vnc -forever -display :0 -auth guess -passwd my-password
ExecStop=/usr/bin/killall x11vnc
Restart=on-failure
[Install]
WantedBy=multi-user.target
------------------------
sudo systemctl daemon-reload
sudo systemctl enable x11vnc.service
sudo systemctl start x11vnc.service
sudo systemctl status x11vnc.service
x11vnc -usepw
sudo ufw allow 5900/tcp
sudo ufw reload