For a past day I tried to set up a host profiles to standardize ESXi deployment and I came across to problems to solve: When host profiles was applied, ESXi host lost completely it’s networking configuration (IP, management interfaces). I couldn’t restore networking from DCUI (error message: Management network interface cannot be found), the only way to restore functionality of DCUI was reset to default settings from DCUI. When...

I had to create a script to automate vulnerability reporting. Thanks to my colleague Grzegorz from http://psvmware.wordpress.com who helped me a lot with a script. Script generates report in CSV format and send email out with attachment. Requirements: Base PowerCLI installed VUM PowerCLI snap-in installed NOTE – VUM PowerCLI snap-in has to have the same build version as vCenter server. Add-PSSnapin VMware.VimAutomation.Core...

Yesterday late evening VMware released vSphere 5.1 U1. What new: Reduced downtime upgrade for VMware Tools – After you upgrade to the VMware Tools available with version 5.1, reboots have been reduced or eliminated for subsequent VMware Tools upgrades on Windows. Larger virtual machines – Virtual machines can grow two times larger than in any previous release to support even the most advanced applications. Virtual machines can now have up...

After couple of months since public beta, VMware released vSphere 5.1 Hardening Guide official version. In my opinion, vSphere 5.1 Hardening Guide is one of the most, if not the most important documents for Engineers and Architects. I have to mention that the new form, introduced along with vSphere 5.0 Hardening Guide was kept and I really like it. vSphere 5.1 Hardening...

vOpenData is a very cool project that grew from the question “What is the average VMDK size for deployed virtual machines?” Project collects data from virtual infrastructure and provides awesome statistics to public. From a project online dashboard one can see average RAM size per ESXi host, which is at the moment 137.33 GB, or number VMs per host – 17.8 – I expected bit higher ratio VM/Host. If you are interested...

For a past few hours I fought with task scheduler on Windows 2008 R2 and Vmware PowerCLI script to make it run as a service. I decided to write down quick guide to help out others and to document for myself. Step 1 – Schedule task in Windows 2008 R2 scheduler. create new task in Windows task scheduler In General tab, Security option, specify user name under script will be executed and make sure that Run whether user is logged on or...

Managing certificates is not the easiest job, especially when new versions of vSphere comes with more and more features which needs certificates. VMware try to make this as much painless as possible and released a tool which helps upload and manage certificates. The vCenter Certificate Automation Tool aims to automate the process of uploading certificates and restarting the following components within the vCenter Platform: vCenter Server...

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Finally VMware realized that ESXi is not the only one bear metal hypervisor on the Earth and couple days ago VMware informed about public BETA test for upcoming  VMware vCenter Multi-Hypervisor Manager 1.1  – sign up for it !! In a MHM 1.1 version Hyper-V on Windows 2012 is supported that’s why is worth to look at it. Wondering if VMware has in plans extend support for KVM, would be nice. What’s new Migration of virtual...