Let’s Install X11VNC Server on our Ubuntu 22.04

sudo apt update && sudo apt upgrade -y

sudo apt-get install build-essential -y

sudo apt-get install lightdm -y

sudo ufw disable

select -> lightdm

sudo reboot

sudo apt-get install x11vnc -y

sudo nano /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 <Winnterisc00l>

ExecStop=/usr/bin/killall x11vnc

Restart=on-failure

[Install]

WantedBy=multi-user.target

systemctl daemon-reload

systemctl enable x11vnc.service

systemctl start x11vnc.service

systemctl status x11vnc.service

sudo reboot

x11vnc -storepasswd 

<pwd>

dpkg --configure lightdm

sudo dpkg-reconfigure lightdm

sudo x11vnc -xkb -noxrecord -noxfixes -noxdamage -display :0 -auth /var/run/lightdm/root/:0 -usepw 

or 

sudo x11vnc -xkb -noxdamage -ncache 10 -noxrecord -noxfixes -noxdamage -display :0 -auth /var/run/lightdm/root/:0 -usepw

or

sudo x11vnc -xkb  -ncache 10 -noxrecord -noxfixes -noxdamage -display :0 -auth /var/run/lightdm/root/:0 -usepw &

how to run x11vnc everytime after a reboot

nano /etc/vnc_auto_start_service.sh

sudo x11vnc -xkb -noxrecord -noxfixes -noxdamage -display :0 -auth /var/run/lightdm/root/:0 -usepw &

sudo chmod 777 /etc/vnc_auto_start_service.sh

sudo crontab -e

@reboot /etc/vnc_auto_start_service.sh

reboot

ps -ef |grep x11vnc

https://rammichael.com/wp-content/uploads/downloads/2015/06/TightVNC_portable.rar

extract TightVNC_portable.rar

open vncviewer.exe

machine ip -> password <Winnterisc00l>