x0vncserver

Start with passwordfile

$ x0vncserver -display :0 -passwordfile [path/to/file]

$ x0vncserver -display :0 -rfbport [port]

x0vncserver [OPTIONS]

x0vncserver is a TigerVNC server that shares an existing X display over VNC. Unlike vncserver which creates a new virtual display, x0vncserver shares the physical display.
This allows remote access to the actual screen being displayed on the monitor.

-display DISPLAY

X display to share

Password file for authentication

VNC port to listen on

Security types to use

Requires X11 display. Password must be set using vncpasswd. Security depends on network configuration. Consider SSH tunneling for secure access.

vncserver(1), vncpasswd(1), x11vnc(1)