Recent Posts

vSphere 5.0 Security Hardening Guide Released

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I would like to announce the official release of the vSphere 5.0 Security Hardening Guide. The guide has been posted to the VMware Communities in the "Security and Compliance” area, in the Documents tab. For more information, please see my blog post on the VMware Security and Compliance Blog. Thanks to everyone who provided feedback on Read more...

ESXi 4.1 Active Directory Integration

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  Although day-to-day vSphere management operations are usually done on vCenter Server logged in through the vSphere Client, there are instances when users must work with ESXi directly, such as with configuration backup and log file access.  Then there are monitoring solutions, which sometimes require direct access to the ESXi host; these would typically be Read more...

New Book on ESXi

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I am pleased to write about the fruition of a great project: Dave Mishchenko's book VMware ESXi: Planning, Implementation, and Security is finally out!  In case you don't know, Dave is a vExpert and Guru on the VMware Communities, and the owner of the blog vm-help.com.  Your truly was the technical editor on this book, so I was Read more...

Top Five New vCLI commands in vSphere 4.1

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As those of you who’ve worked with ESXi know, the vCLI (vSphere Command Line Interface) plays an important role in managing your environment, since it is a close replica of the familiar command-line environment in the Service Console.  However, we didn’t just stop at duplicating COS commands in the vCLI – we’re continually driving towards Read more...

Meet the Engineer

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This video presents an interview with Lance Berc, Corporate Architect and one of the main driving forces behind the ESXi architecture.  Hear his thoughts on why ESXi is the hypervisor of choice for VMware.   You see other videos in the "Meet the Engineer" series on the VMware Office of the CTO Community. Read more...

The New Lockdown Mode in ESXi 4.1

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ESXi 4.1 provides the ability to fully control all direct access to the host via the Host Configuration Tab in vCenter Server. Once a host has been joined to vCenter Server, every direct communication interface with the host is configurable as an independent service in the Security Profile section of the Configuration Tab for the Read more...

VMworld 2010 Wrap-up

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It sure was a busy week at VMworld 2010 for the ESXi team at VMware, what with the big focus on ESXi migration.  Numerous sessions (including several by yours truly) focused on ESXi and related topics, such as vMA and scripting.  In case you missed them, and have a VMworld account, here is a (partial) Read more...

Hardware Health Monitoring via CIM, part 7

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  In this installment, we'll look at one of the most complex, and yet perhaps the most powerful aspect of CIM – asynchronous events, or as they're officially named, CIM Indications.  In this post we'll talk a little about how the plumbing works to subscribe for and receive indications, and then look at a real-life Read more...

Hardware Health Monitoring via CIM, part 6

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In this installment, we're going to dive into one of the tricker areas of CIM called associations.  They're extremely powerful, and used heavily by the standard profiles.  In many cases, you can simply ignore them and get 90% of what you need, but for that last 10%, you'll need to do some association traversals to make sense of how Read more...

ESXi 4.1 Tech Support Mode

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One of the most popular new features in ESXi 4.1 is the new Tech Support Mode (abbreviated as TSM).  Tech Support Mode is a simple shell for advanced technical support. With situations in which remote scripting tools are not capable of addressing some particular issue, Tech Support Mode provides an alternative. Similar to the way Read more...