Virtualization Pro:

December, 2007

December 20, 2007  1:40 PM

Layer-2 network security with .NET and Perl

Kutz Profile: Akutz

I've written several articles on SearchServerVirtualization about the VI3 SDK and how to make the most of it with .NET. There is an as-yet unpublished article on how to implement Layer-2 network security with .NET using a program I wrote called gnicmod. Consider it part 4 in my series of leveraging...

December 19, 2007  7:13 AM

VMware ESX resource usage: Check out esxtop

Rick Vanover Rick Vanover Profile: Rick Vanover

I came across another nice tool in ESX 3.02 that gives a quick view of the resources in use - and the virtual machines position within the usage. If you have used much Unix or Linux, you have probably come across the top package. While top is not a very fancy package, it is...

December 19, 2007  7:11 AM

Virtual Center 2.5 – An IT pro’s first look

Rick Vanover Rick Vanover Profile: Rick Vanover

So I had the chance to install VMware Virtual Center 2.5, or VC 2.5 from the release of the series of updates, last week. I expected the VC upgrade to be...

December 17, 2007  4:39 PM

Reconfiguring vmreconfig

Kutz Profile: Akutz

The Perl script,, is designed to reconfigure a virtual machine (VM). You can read more about it here. The tool can be used to make changes to the state of the VM. For example, you...

December 14, 2007  8:18 PM

Generating the XML necessary to create VMs with the VI Perl Toolkit

Kutz Profile: Akutz

It is a pain in the rear to generate XML on the fly. There just is not a fun way of doing it. Unfortunately this is what is required when creating, cloning, and altering VMs with the VI Perl toolkit. I went ahead and creating a very simple Perl script that will take HTML GET variables from the...

December 11, 2007  9:55 PM

Can’t See Multiple Processors? Check Hardware Defaults.

Rick Vanover Rick Vanover Profile: Rick Vanover

Sometimes ESX messages are limited to be nice. Today, in normal virtualization tasks, I received the following error message:

Virtual machine hasĀ 2 virtual CPUs, but the host software only supports 1
Now, that sounds like an easy enough description and the knee jerk...

December 11, 2007  9:52 PM

Using Hyperic to Manage VMware Environments, part 1

Joseph Foran Profile: Joe Foran

At the risk of sounding like a commercial, Hyperic HQ is my leading-choice for agent-based systems management tools to handle both VMware and non-VMware systems. Personally I tend to prefer non-agent-based systems, but the Hyperic tools work,...

December 11, 2007  9:51 PM

Can VMware HA give 100% uptime for a database?

Kutz Profile: Akutz

Systems admin Michael Gildersleeve is evaluating VMware for High Availability (VMware HA); but he's not sure if that product is going to work well with his legacy software. He's not sure, either, if HA is as mature and robust as other products on the market. I'm answering his call for more...

December 7, 2007  7:59 PM

Mid-Sized Acceleration Kit SKU… Finally Here?

Joseph Foran Profile: Joe Foran

After much hoopla and fanfare, VMware spent a month and a half without issuing a SKU for it's new small-to-mid-sized business edition of...

December 7, 2007  7:58 PM

ESX Resource Pools Revisited

Rick Vanover Rick Vanover Profile: Rick Vanover

How many times have you gone back to your resource pools and wondered why your performance is not what you were expecting? Here is a quick tip on your configuration that may help understand your situation. For small- to medium-sized ESX implementations, have a uniform value for the shares for...

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