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Access the Linux Desktop Remotely Using VNC

You can remotely access the Linux® desktop on the Overo® hardware from another computer. This capability uses a client-server graphical desktop sharing system called Virtual Network Computing (VNC).

The Overo firmware distributed by MathWorks® has a built-in VNC server called x11vnc. To remotely interact with the Overo hardware, you can run a VNC client on a remote computer, open a VNC connection with x11vnc on the Overo hardware.

To open a VNC session from MATLAB®:

  1. Create a physical network connection between your host computer and the Overo hardware.

  2. In the MATLAB Command Window, create a connection to the Overo hardware by entering:

    h = overo
    

    The command line responds with information about the Overo hardware. For example:

    h = 
    
      LinuxServices with properties:
    
        HostName: '172.28.144.106'
        UserName: 'root'
        Password: 'root'
        BuildDir: '/home/root'

    Enable the VNC server on the Overo hardware by entering:

    h.execute('export DISPLAY=:0.0; xhost+; x11vnc -bg')
    

    When the VNC server is running, the command line displays:

    ans =
    
         0
  3. Open a VNC viewer on your host system, and connect to the VNC server on the Overo hardware.

  4. Log in to the operating system. The default user name and password is root.

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