how to connect to ubuntu 14.04 over vnc ssh tunnel

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Greg Gilley

June 05, 2016 23:07

I can use Screen Sharing on my Mac to connect to my linux box by creating a local ssh tunnel. (something like ssh -L 5901:127.0.0.1:5901 -N -f -l userid 192.168.2.1)

I thought that Jump Desktop would allow me to connect directly to the server over SSH. I have not been able to get it to work. Any ideas?

Thanks,

     Greg

 

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  Jump Desktop Support June 06, 2016 22:06

  Hi Greg,

  Try this:

  1. Create a new connection in Jump by clicking the + icon and select VNC. Set the Address to: 127.0.0.1:5901 and hit Save.

  2. Right click the newly created icon and then click "Edit". Then click "SSH Tunnel". Ccick the drop down and click "Edit SSH Tunnels".

  3. Add a new tunnel with IP address 192.168.2.1. Save your settings and close the preferences window.

  4. Next in the "SSH Tunnel" drop down select your newly create server save you settings.

  Thats it! You should be able to connect.

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  Greg Gilley June 07, 2016 02:20

  I tried that setup (which is basically the same as what I had tried before). I get the prompt to approve the certificate, but the login still fails. "Please make sure tcp forwarding is enabled on the server. Details: "Channel open failure"

       Greg

   

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  Jump Desktop Support June 07, 2016 07:36

  Greg, I've revised step #1 above. Specifically - you need to set the 'Host' address to 127.0.0.1:5901 if you haven't already.

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  Greg Gilley June 15, 2016 03:33

  That worked. Thanks!

       Greg

   

   

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  Adrian M. August 26, 2016 12:37

  Hello,
  I have the same problem like Greg.
  I want to connect to my Debian-Server via SSH, but I can't. I get the same error message. "Could not create SSH tunnel - Please make sure tcp forwarding is enabled on the server. Details: "Channel open failure""

  I tried with your four steps above, but this didn't work either.

  Do you have any other suggestions for me?

   

  Thanks a lot and greetings from Germany
  Adrian

  
  
  
  Screen Shot 2016-08-26 at 14.12.58.png

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  Jump Desktop Support August 26, 2016 12:58

  Adrian, check the Host address you have for your connection. Just right click your computer's icon in Jump and then click Edit. Then in the Host address either put in 127.0.0.1:5900 or 127.0.0.1:5900+display number.

  Here's whats happening: Jump was able to successfully connect to the SSH server but the SSH server on the other end wasn't able to create an outgoing connection to the "Host" address you've specified. 

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  Adrian M. August 26, 2016 14:07

  Thanks for fast reply.
  I tried it, but there was only the loading circle with "Creating tunnel" and after 5 minutes the same message ("Could not create SSH tunnel[...]") again...

  On my local server I made a tunnel with the command: "ssh -L 5900:127.0.0.1:5900 -N -f -l username serverIP" and set in Jump Desktop the Host on "127.0.0.1:5900" and make the usual SSH Tunnel with Host = serverIP and Username = localServerUsername and password... Right?

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  Jump Desktop Support August 26, 2016 14:39

  Adrian,

  In Jump:

  1. SSH Server settings: Host = serverIP     <--- this is the IP address of the server running the SSH server. Username and password are the SSH username and password

  2. Create a new computer in Jump. Set Host for the computer to 127.0.0.1:5900 and select the SSH server you created in #1. 

   

  Do this match what you've done?

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  Chris Olson March 28, 2018 14:06

  I'm trying to do this exact same thing, is this process still supported?? I can't figure out how to manually create a connection in Jump Desktop?

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