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Greg Shields

Greg Shields is a partner and principal technologist with Concentrated Technology, an IT analysis and strategic consulting firm. Contact him at www.ConcentratedTech.com.

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Greg’s Recent activity

Q: Which 3 rights are required for the vCenter Server service domain user account?

Mar 28, 2012

A...

Q: What are the guidelines for sharing databases in VMware vCenter Server 5.0?

Mar 27, 2012

A: A well-written set of guidelines for vCenter Server database sharing can be found in VMware's Knowledge Base article "Installing vCenter Server 5.0 best practices." (). Those guidelines read as follows: E...

Q: How do I install Microsoft .NET Framework 3.5 SP1 to support vCenter Server 5.0?

Mar 23, 2012

A: Installing VMware vCenter Server 5.0 requires you to first install Microsoft .NET Framework 3.5 SP1. You can launch this prerequisite installation from the Windows Server 2008 R2 server's Server Manager; however...

Q: Can I change the BIOS boot type on an ESXi 5.0 Server after installation?

Mar 21, 2012

A...

Q: What are the US government federal guidelines on the use of cloud computing?

Mar 20, 2012

A: The United States federal government outlines its "Guidelines on Security and Privacy in Public Cloud Computing" in a National Institute of Standards and Technology (NIST) publication. Although not to the le...

Q: What is context-aware computing, and how might it aid healthcare IT?

Mar 20, 2012

A: Many of the technologies we take for granted today have their origins in solving the unique problems found in healthcare IT. If you think about the paths doctors take as they're running between examination r...

Q: What 6 application delivery approaches can Citrix XenApp and XenDesktop facilitate?

Mar 16, 2012

A: Gone are the days when installing an application required DVDs and shoe leather. Gone, too, are the days when installing an application actually involved . . . well . . . installing an application. Adding to...

Q: What inexpensive hardware upgrade would improve VM performance on my desktop or laptop?

Mar 14, 2012

A: One of the most cost-effective performance improvements for running virtual machines (VMs) on your desktop or laptop can be bought for the price of a new solid state disk (SSD). SSDs achieve vastly greater r...

Q: What is the Citrix License Server virtual appliance?

Mar 13, 2012

A: Licensing Citrix products has long required a Windows server running either Microsoft IIS or Apache. Although the resource requirements for serving up licenses aren't terribly burdensome for any existing web...

Q: What ports and connections are used by XenServer?

Mar 09, 2012

A: At its most basic, Citrix XenServer communicates mostly over TCP port 443. This port is used for pool synchronization as well as connectivity to XenServer's Web Self Service and vSwitch Controller virtual ap...

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