Connecting via VNC (Remote Desktop)

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Table of contents
  1. 1. Tips

Prerequisites

Starting the remote VNC Server

Replace $VISNODE with the name of the node that you are accessing

1) Login into msgln1.its.monash.edu.au (with a local port 5901 forwarding to $VISNODE e.g. nn101)

ssh -L 5901:$VISNODE:5901 msgln1.its.monash.edu.au 

Note: If you are using Putty on Windows you can add the local port forwarding via the Connection - SSH - Tunnels configuration. This can be done before or after the session has been started by right-clicking on the menu bar and selecting "change settings...".

2) From msgln1 open an interactive session to $VISNODE

qrsh -q visq@$VISNODE -l gpu=1 -pe smp_vnc_man 8

3) Start the VNC and GPU servers (if this is the first time you will need to create a VNC access password when prompted)

/opt/sw/vis/interactive/start_X_servers -geometry 1152x864

This should report successful creation of an X Session.

New 'X' desktop is $VISNODE.its.monash.edu.au:1

Tip: Use -geometry <WIDTH>x<HEIGHT> to tailor desktop to your screen resolution. For example if you have a 1152x864 screen, using "-geometry 1152x864" will enable the MASSIVE desktop to fit your screen prefectly in full screen mode.

Connecting your client to the remote VNC Server

1) Start your VNC viewer from you local machine

/opt/TurboVNC/bin/vncviewer

2) Connect to the host Use "localhost:1" and enter the password you provided earlier

Note: "localhost:1" is used as the ssh command you entered earlier creates a direct (secure) link from a port on your local machine to the VNC port on $VISNODE. So connecting to localhost is like connecting to $VISNODE.

 

Closing Down Afterwards

When you have finished close down the servers with the following command

/opt/sw/vis/interactive/shutdown_X_servers

Tips

  • On low bandwidth connections different connection options can be used to tailor performance to the usage. This dialog can be accessed by right-clicking on the window edge and selecting "Connection options...". The settings for "WAN" favour wide area networks i.e. slow connections across the internet. The settings for "LAN" favour local area network i.e. fast connections on a network close to the cluster. The terms referring to "Lossless" and "Low Quality" refer to the quality of images seen. A setting like "Lossless Tight + Zlib (WAN)" provides good performance over DSL.

 

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