What is “x11vnc” Package?

VNC server for real X displays
For more details: http://www.karlrunge.com/x11vnc/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install x11vnc.

  brew install x11vnc

Now, use x11vnc!