Author Archives: brian.wuchner

Virtual Machines with duplicate MAC addresses

Posted on February 20, 2012 by brian.wuchner

I was recently asked if it would be possible for two virtual machines to be automatically assigned the same MAC addresses. Knowing that vCenter handles these assignments and ensures uniqueness, I figured it wouldn’t be possible…but it got me to … Continue reading →

Posted in Scripting, Virtualization | 5 Comments

Get-Beer Powershell function

Posted on February 9, 2012 by brian.wuchner

Earlier in the week I had the privilege of presenting an introduction to Powershell/PowerCLI webex to a group of VMware customers. To help explain the Where-Object, Select-Object, and Sort-Object cmdlets, I thought it would be helpful to create a Get-Beer … Continue reading →

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vSphere vCenter 5.0 SSL certificates

Posted on January 30, 2012 by brian.wuchner

It seems every release of the VMware vSphere vCenter server service has more dependency on SSL.  I always replace the default self signed SSL certificates with ones created from an internal/trusted certificate authority.  There is a good four part guide to creating … Continue reading →

Posted in Virtualization | 2 Comments

Multiple vCenters and MAC address conflicts

Posted on January 23, 2012 by brian.wuchner

VMware KB article 1024025 explains an issue with MAC address conflicts due to multiple vCenter configurations with the same instance ID. Here is a technical description straight from the KB article: Each vCenter Server system has a vCenter Server instance … Continue reading →

Posted in Scripting, Virtualization | 2 Comments

Powershell title bar and profile

Posted on January 14, 2012 by brian.wuchner

This is a very simple post, but it shows how to make the Powershell title bar contain useful information. By default the Powershell title contains the path to the powershell.exe file — here is an example: To make this more … Continue reading →

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