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How do I get a GUI from an instance in other computer?

asked 2018-10-31 14:14:47 -0500

Lucas gravatar image

I have a devstack installed and a Ubuntu cloud image uploaded. Then I created a instance with the Ubuntu cloud image, a floating ip to access the instance and a lubuntu GUI installed. In this way, I has been able to see the lubuntu GUI in the instance console in dashboard.

Now, I've been able to access the instance through another computer by SSH (just the terminal, no graphical interface), but I want to see the GUI and interact with the OS normally.

The idea is: I have installed in this other computer a ubuntu minimal (no graphical interface), and I want to pull the lubuntu GUI from the instance to see in this computer.

Is it possible? I searched, but I just found protocols who works on a browser with HTML5..

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answered 2018-10-31 18:48:19 -0500

updated 2018-11-01 05:16:03 -0500

This question is not really related to OpenStack, but it's easy to answer it. In order to display graphics, a computer needs graphics software installed. You say “no graphical interface”, so I guess you are out of luck.

If you have graphics software, I see three options:

  1. the local computer has an X server. You can display windows from your VM on the local computer.
  2. the local computer has an X server. You can use ssh X11 forwarding to display windows on the local computer.
  3. the local computer runs an X server, MS Windows or another well-established display server. You can run a VNC or Spice client on the local computer. This is how OpenStack displays instance consoles.
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With "graphics software installed", are you talking about what? An OS with a GUI installed in the computer who will pull the instance or some specific software who works when you call by a command in a ubuntu minimal for exemple and show the instance's GUI?

Lucas gravatar imageLucas ( 2018-10-31 23:59:18 -0500 )edit

I don't understand the two answers that you give to your question. What I mean is anything that allows you to display bitmapped graphics, such as Windows or an X display server, and that is compatible with graphics network protocols like X or VNC.

Bernd Bausch gravatar imageBernd Bausch ( 2018-11-01 03:17:38 -0500 )edit

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Asked: 2018-10-31 14:14:47 -0500

Seen: 68 times

Last updated: Nov 01 '18