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 thinking. Since I have multiple vCenters, what would prevent each…
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 function. This function was a success, so I thought I…
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 the properly formatted certificates available here: http://www.virtualvcp.com/vsphere-4-technical-guides/136-replace-ssl-certificates-prepare-openssl-and-microsoft-cs As of last count,…
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 ID. This ID is a number between 0 and 63…
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 useful, I’ve added a line to my powershell profile that…