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I have installed tightvnc on my ubuntu 16.04 desktop/server computer. I can ping it, connect using putty ssh. Start the vncserver successfully. From windows 10 pro workstation computer is start TightVNC viewer and enter the IPaddress of the ubuntu computer. I have tried putting VNC port 590x after the IPAddress as 192.168.n.n:Port#. In fact I have tried ever combinations found on internet on how to connect using viewer. This is simple setup. Any help someone can give me would be greatly appreciated.

Ben

  • Make sure the server is listening on external interfaces not just on the loopback (127.0.0.1) interface with sudo netstat -nlpt | grep ':59..' or the equivalent ss command. Also check that you don't have a firewall blocking the port. – steeldriver Jul 31 '18 at 16:33
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If your ssh connection maps the port 5900 to localhost::5900, the viewer invocation should look like:

xtightvncviewer localhost::5900

I cannot speak to the putty invocation, but from Ubuntu, I can invoke the remote x11vnc (on ip ...131) with the command:

ssh -t -L 5900:localhost:5900 192.168.1.131 'x11vnc -localhost  -display :0'  

Include a username if necessary. If you don't have an X server running as that user, then try running

sudo ssh -t -L 5900:localhost:5900 192.168.1.131 'x11vnc -localhost -auth guess -display :0'
  • Enter the above command. Get permission denied after enter the password set up for VNC. – B. Spradling Aug 7 '18 at 16:18
  • Can you ssh/putty straight to your ssh server? Get that working first, accept any certs. and then try the vnc connection., – ubfan1 Aug 7 '18 at 16:56

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