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Atmosphere User Manual

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About using VNC with Atmosphere

Virtual Network Computing (VNC) is a way to share a graphical desktop environment. The underlying protocol works across operating systems and platforms, and allows a remote user or users to access, use, and share a computer system. There are many free VNC clients, or viewers, some of which are mentioned in the next section. The Atmosphere VNC enables one or many Atmosphere users to access a machine that is being run on iPlant resources from the user's local machine.

There are two ways to use VNC with Atmosphere:

  • Airport VNC runs a built-in Java VNC viewer from a web browser using the Atmosphere Airport interface and requires Java.
  • VNC Viewer application is an open-source application that uses an installed binary file, requires installation and setup, and runs through your operating system. You also can install the appropriate Enterprise Edition VNC Viewer for your operating system.

Using the Atmosphere Airport VNC

Launching Airport VNC on a running instance

  1. If necessary, log in to Atmosphere and launch the new instance.
  2. Once the instance is running, click the VNC tab:

    Not all instances provide VNC access. If the VNC tab is not enabled, use the VNC Viewer application (see below).

  3. Click the VNC tab:
    ## If prompted to allow a Java applet, click Allow.
    1. Click Connect.
    2. Enter your LDAP username and password and click OK.
    3. Enter your password again and click Unlock.

Terminating Airport VNC on a running instance

  1. In My Instances, click the running instance whose VNC you want to terminate.
  2. Click the VNC tab.
  3. Click the Terminate Instance icon:

Using the VNC Viewer application

Installing the separate VNC Viewer application

  1. Go to the download link for your operating system.

    Open source and Enterprise editions are also available.

  2. Install the application.

Launching the VNC Viewer application

  1. Locate the URL you received in the email about your running instance.
  2. Click to open the URL http://A.B.C.D:5801 for your instance, where A.B.C.D is the IP address of your instance.
    Example: In, the assigned IP address is

Connecting to a VNC session

  1. Launch the VNC Viewer application.
    (click to enlarge):
  2. Enter the IP address of your server, usually called Server:1. (Note: If you modified settings in your VM, the server name may be Server:2 or Server:3.)
  3. Click Connect.
  4. Enter your password and click OK.
    (click to enlarge):
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