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4 Graphics applications

4.1 Open a VNC session

Once you have a reservation you can start a VNC graphical session. Within the GSISSH-Term client click on

Tools ->VNC Session

In the window enter the host and display information you obtained from the previous step. Click OK and another window will open up asking for the VNC password. After entering this and clicking OK the remote desktop should appear.

4.2 Using graphics applications

To test that everything is working correctly click on the xterm terminal you should find in the desktop and type:


This should open a small window with an animation of three interlocking gears, and additionally print how many frames are being generated every second. It is important to emphasise that the rendering is being done server-side and that your personal computer is merely displaying the already rendered images which are sent across the network by the RVS.  Thus the user’s personal workstation requires only modest graphics facilities since effectively it only has to display images.

A number of graphical applications, such as Visit, VMD, etc have been installed on the system and you will find their icons on the Desktop; for a full list and further documentation see the LRZ Visualisation Applications Guide.  It is also possible to launch your own graphics application from the xterm window (which is OpenGL enabled).

The easiest way to transfer your data to the RVS is via the DEISA filesystems which are also available here. Thus, if you are running calculations at SARA, for example, just copy your data files into the $DEISA_HOME or $DEISA_DATA directories and they will automatically be available for use with the RVS at LRZ.

4.3 Finishing a session

When you have finished your graphics session you can exit the remote desktop and, in order to release the resources for other users, you should close the reservation with the rvdel command and the reservation number. For example, rvdel cne0cinj1300890754493.

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