For Windows there are VNC-"servers" that can be started by the user manually som time after log-in. Is there anything similar for Linux? A program that can be started manually in an already running X-session, and the "hijacks" the session making it VNC-controllable - or at least VNC-viewable?

2 Answers 2


You're looking for x11vnc:

x11vnc 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. In this way it plays the role for Unix/X11 that WinVNC plays for Windows.

  • 1
    While this link may answer the question, it is better to include the essential parts of the answer here and provide the link for reference. Link-only answers can become invalid if the linked page changes.
    – cuonglm
    Commented Jun 6, 2014 at 17:30
  • @Gnouc The essential part of the answer is "the program you want is called x11vnc"; the link is fine. Commented Jun 6, 2014 at 19:58

May you have a look at vino, the gnome vnc server. You can run it in an existing session like this:


With more information it would be easier to answer...

See here: http://wiki.ubuntuusers.de/VNC#Unity-GNOME

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