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The Virtual Lab Expand / Collapse
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Posted Tuesday, January 17, 2012 12:05 AM


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Comments posted to this topic are about the item The Virtual Lab






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Posted Tuesday, January 17, 2012 5:04 AM


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I agree with you Steve. Few months back I was able to set up a virtual server and configure clustering by referring to the link you had shared that too on my 500 $ laptop.

Mohammed Moinudheen
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Posted Tuesday, January 17, 2012 9:27 AM


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I am a dev, not an ops guy, but I understand ops love VMs because they can upgrade physical boxes, move VMs from one to another and do lots of other things with minimum fuss.
Post #1237319
Posted Tuesday, January 17, 2012 9:40 AM


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I was talking to a junior DBA a few months back who was complaining about not being able to secure a job because he didn't have enough experience. When I asked him if he knew about virtualization, he was lost. I told him how I have learned - and experienced - most of the skills I have using virtualization as my practice lab which started during the days of Connectix. Nobody can claim that virtual labs are not real-life experience because you are getting your hands dirty with real software, using real concepts and potentially troubleshoot real problems that may arise. It's one of the reasons why technical training is complemented with hands-on labs. Even when I was a developer, I used virtual machines to install a beta version of Visual Studio just to play around with it. It definitely is a must for every technology professional wanting to commit to continuous professional development

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Posted Tuesday, January 17, 2012 9:41 AM


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How did you explain virtualization to him? I ran into someone, a dev, a couple years ago and it was was a struggle to get him to understand the idea of a VM. For some reason, he was lost, and I had a hard time giving him a good analogy.







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Posted Tuesday, January 17, 2012 9:51 AM


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Most developers understand that they have a local workstation where everything is installed. Every once in a while, they need to log in to a development server to check configuration - web.config, IIS, .NET security. A virtual machine is no different from having a server somewhere that you can log in to. However, it could be either on your own workstation or on another machine.

Here's a good read on how to explain virtualization to non-techies


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Posted Tuesday, January 17, 2012 10:31 AM


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Interesting link, but that talks more about the organization and benefits. This guy was having trouble understanding the concept of the entire machine being emulated. If they can't get that concept, it's really hard to put it into words.

I think these days I try to say it's like a VR driving simulator in the passenger seat of your car. It provides all the feedback of a real car, in a real car, but it's also separate in its own environment.







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Post #1237371
Posted Tuesday, January 17, 2012 10:46 AM


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I like that as an analogy.

I still start explaining it with what they already know so I can build on it. The remote server access is what resonates with most developers


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Posted Tuesday, January 17, 2012 10:56 AM


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One of the best tools in the toolbox is a Virtual Lab.



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Post #1237386
Posted Tuesday, January 17, 2012 11:00 AM


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Steve Jones - SSC Editor (1/17/2012)
How did you explain virtualization to him? I ran into someone, a dev, a couple years ago and it was was a struggle to get him to understand the idea of a VM. For some reason, he was lost, and I had a hard time giving him a good analogy.

My explanation is as follows:

You can run applications under an operating system. That's what people are doing every day.

As operating system is also an application, of a special kind since it has lots of privileges, if you solve relationships between privileges (which is called "protection levels"), you can run operating system and the apps it runs as an app under another operating system.

That is, since the early 70s, called virtual machine.

It is an old hat even for Microsoft: I ran multiple copies of PC-DOS under OS/2 in 1992.
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