X11vnc - ArchWiki
https://wiki.archlinux.org/title/X11vncx11vnc is a VNC server, it allows one to view remotely and interact with real X displays (i.e. a display corresponding to a physical monitor, keyboard, and mouse) with any VNC viewer. While it is not developed any longer by its original author Karl Runge, LibVNC and the GitHub community have taken over the development. x11vnc does not create an extra display (or X desktop) for …
x11vnc(1) - Linux man page
https://linux.die.net/man/1/x11vnc-auth file Set the X authority file to be file, equivalent to setting the XAUTHORITY environment variable to file before startup. Same as -xauth file. See xsecurity(7), xauth(1) man pages for more info. Use '-auth guess' to have x11vnc use its -findauth mechanism (described below) to try to guess the XAUTHORITY filename and use it.