I think this question was sparked from my idea. I was wondering if an VCL image 
could be used as a virtual desktop via PXE boot or some other boot process. 

After reading the posts, I might want to rethink that due to security reasons. 
I do like the aspect of having an basic image on the PCs with nothing but 
Office, virus protection, and an VCL icon that an user would click on and 
authenticate with the credentials they used to login into the lab computer or 

Arbin Darren Sanders
Information Technology Manager - Academic Computing

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-----Original Message-----
From: Eric D Sills [mailto:edsi...@ncsu.edu] 
Sent: Wednesday, February 08, 2012 3:05 PM
To: vcl-...@incubator.apache.org
Cc: vcl-user@incubator.apache.org
Subject: Re: "icon on the desktop" access to VCL

For use in our production environment some authentication would be needed:
- for any environment with licensed software we would need to be able to ensure 
that the terms of the license agreement were being satisfied
- just for access to university resources would need to be able to show that 
resource was not being 'given' away

However, would be highly desirable there to be only one login and even better 
if previous logins during same session would carry over.. e.g. I need to use 
matlab - click matlab icon and login, I'm done with matlab but now want to use 
solid works
- would be ideal if didn't have to login to solid works but rather it still 
remembered I was authenticated from having logged into matlab.

Would like for process that installs the icon to also install whatever other 
software is required to run the app (or ensure the other software already 
installed). e.g. ssh client and maybe X Windows server for Linux based app, or 
RDP client for Windows based app, etc.

Also, I believe that to support icon on desktop type launch there would need to 
be reasonably high assurance that an instance of the app would be available. 
Would like to be able to specify that minimum of n instances of an app should  
be kept ready for new reservations - when available number falls below n AND 
idle resources are available (where idle would not count instances of images 
that are there to meet minimum requirements) reclaim an idle resource and load 
another instance of the app. Generally I expect n=2 or even n=1 would be 
sufficient to ensure app instances available.


On Feb 8, 2012, at 11:56 AM, Josh Thompson wrote:

> I've been hearing interest in an "icon on the desktop" type of access 
> to VCL. The idea being that you could have some kind of broker 
> script/app that can be run which will interact with the VCL API to 
> create a VCL reservation,  wait on it to be deployed, and then connect 
> to the reserved system (ideally without requiring the user to log in 
> to the reserved system). That app could then just be launched through 
> an icon to gain access to a VCL provisioned system.
> Several years ago,  I wrote something along the lines of this in python/tk.
> That was more of a proof of concept and would need a good bit of work 
> to be useful to others.
> I'm starting this thread to start gathering information on who is 
> interested in this idea and what requirements you would have for it. 
> I'd also like to know if anyone would be interested in helping with 
> the development of it.
> So, if you have any interest in this,  please reply to this thread 
> with -requirements you would have -how you would envision it to work 
> -any interest in development of it
> Thanks,
> Josh
> -------------------------------
> Josh Thompson
> VCL Developer
> North Carolina State University

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