Ubuntu 10.4 Lucid – Integrating Windows Applications With Seamless RDP and Windows XP Pro

I have looked at various solutions for running Windows applications within (or from) an Ubuntu machine. I’m not a great fan of WINE, because of the layer of complexity that it can add to simply running an application and Remote desktop to Windows is fine but it does not integrate Windows applications.

While there are plenty of expensive (and rather good) solutions for the enterprise like XenApp I was happy to stumble across SeamlessRDP – which is good enough for my needs at home (as well as being free).

SeamlessRDP works through Remote Desktop protocols but instead of giving you a full screen desktop connection it gives you a windowed application instead.

As you can see (above) SeamlessRDP gives you a Windows application window (in this case Internet Explorer) within an Ubuntu window.

To achieve this I have copied the SeamlessRDP files to c:\seamlessrdp on my Windows XP Professional virtual machine. I also enabled Remote Desktop in XP by clicking Start, Control Panel, System, then the Remote tab followed by the Allow users to connect remotely to this computer checkbox.

If you need to add users other than Administrator then also click the Select Remote Users button to add them to the remote desktop users. Also make sure that all of your remote desktop user accounts have passwords configured. Once remote desktop is setup log off from XP so that you can test a seamlessRDP connection.

The next step is to install rdesktop on Ubuntu. Open a terminal window (click Applications, Accessories and then Terminal) and enter the following commands:

sudo apt-get update
sudo apt-get install rdesktop

To run Internet Explorer seamlessly on Ubuntu enter the following command in the terminal:

rdesktop -A -s "c:\seamlessrdp\seamlessrdpshell.exe C:\Program Files\Internet 
Explorer\iexplore.exe" <IP of Virtual Machine>:3389 -u username -p password

Change the above command with the IP address of your XP Pro virtual machine and the username and password of a remote desktop user on your XP machine.

The -A switch in rdesktop enables seamlessRDP mode. This means that you get an application window forwarded instead of the whole desktop.  SeamlessRDP requires a shell which we invoke with the -s switch. This runs both seamlessrdpshell.exe (which we copied to XP earlier) and the application that we wish to launch on our XP virtual machine. In this case we specified the path to Internet Explorer.

The -u and -p switches do not have to be used, but if you leave them out you will be prompted for your credentials as per any regular remote desktop session.

I have found that this works very nicely but there are some caveats. The first is that by default in XP only one user can be logged in at a time. Running one application at a time might not sound too bad until you realize that closing the application window in Ubuntu does not log the user off in Windows XP.

There are a number of things that you can do to workaround these issues.

  • You can install a hacked termsrv.dll file to enable multiple concurrent remote desktop sessions in Windows XP Profressional which I have covered previously here.
  • You can run Task Manager (C:\WINDOWS\system32\taskmgr.exe) or a command prompt (C:\WINDOWS\system32\cmd.exe) and run additional applications from there.
  • You can write simple batch files for the applications that you want to run on XP that will log you off from XP when the application closes. For example:
cd \Program Files\Internet Explorer
  • There is also an unofficial version of rdesktop made by Fontis IT Consulting that has seamlessRDP that allows you to call rdesktop several times to open several applications in the same user session.

All in all this looks like a great solution for applications that I do not use regularly or do not want to install on multiple windows systems. Even better, I get to run them on Ubuntu!


Ubuntu Community Documentation

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