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Greg Shields

Greg Shields

Greg Shields

Greg Shields

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Greg Shields is a partner and principal technologist with Concentrated Technology, an IT analysis and strategic consulting firm. Follow him on Twitter @ConcentratdGreg.
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VMware
Windows Server
Cloud computing
Virtual Desktop
Data Center

VMware
- IT, meet security: Why vSphere security is all about collaboration
  
  Strong vSphere security comes from collaboration and the right server virtualization security tools and processes.
- How the VMware Hardware Compatibility Guide keeps everyone safe
  
  Enterprise IT is a balancing act between new innovative gadgets and proven tools. Find the middle ground with the VMware Hardware Compatibility Guide.
- Parsing the use of vSphere vs. ESXi to describe VMware virtualization
  
  VMware's virtualization hypervisor goes by ESX/ESXi and vSphere. The difference in when to use ESXi vs. vSphere terms is subtle.
Windows Server
- Microsoft delivers patch updates for Windows Server 2012, Windows 8
  
  Microsoft delivered two critical and eight important bulletins in May's Patch Tuesday release, fixing issues in Windows Server 2012 and Office apps.
- Windows Azure Active Directory steps out of the shadows
  
  As Windows Azure Active Directory moves into general availability, we look at how it can help admins manage user authentication in the cloud.
- Steps to read XML files with PowerShell
  
  Wondering how to get PowerShell to read XML files? Our expert explains a few methods you could use.
Cloud computing
- Google Compute Engine prices on par with AWS -- for now
  
  Conventional wisdom has Google and AWS locked in the Price War of the Titans with the launch of GCE, but a deeper look reveals a different truth.
- Limiting the effects of cloud computing outages
  
  After making the case for cloud based on high availability, IT pros are upset by cloud outages. With planning, there are ways to craft a strategy.
- Amazon Redshift an appealing alternative to on-premises data warehouse
  
  Amazon Redshift has intriguing pricing and features, but beware of its differences from a traditional, on-premises data warehouse.
Virtual Desktop
- Citrix expected to tackle mobile application delivery, VDI costs
  
  As Citrix Synergy 2013 kicks off in Anaheim, attendees hope to learn about new desktop and application delivery strategies for the mobile world.
- How Microsoft RDP 8.0 addresses WAN, graphics shortcomings
  
  Microsoft's Remote Desktop Protocol improves the user experience with the release of RDP 8.0 in Windows Server 2012, but there are some limitations.
- Making Citrix XenDesktop play nice with a VMware hypervisor
  
  You can run XenDesktop on a VMware hypervisor, but what does that entail? Learn how clustering and vCenter Server work in a mixed VDI environment.
Data Center
- Data center technologies evolve to meet tomorrow's computing demands
  
  VMware's upcoming public cloud and AMD's 64-bit ARM servers are technologies for the data center that exemplify the changes in the IT industry.
- New data center cooling strategies to improve efficiency, lower costs
  
  Stagnant strategies for data center cooling will keep energy bills climbing ever higher, but a more modern approach can bring them back down to earth.
- Converged systems usher in data center transformation
  
  The rise of converged systems has brought a new level of manageability to the data center, but these integrated offerings have a few drawbacks.

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