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Automating SSL Certificate Expiry Validation for vCenter Server + ESX(i) Hosts
As many of you know, it is a best practice to replace VMware's self-signed SSL certificates that are included in the vCenter Server (Windows & VCSA) and ESX(i) hosts to prevent or help reduce MiTM...
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How to Create Bootable ESXi 5 ISO & Specifying Kernel Boot Options
This week I helped to answer a few questions about creating your own ESXi 5 bootable ISO along with automatically using a static IP Address when the custom ISO first boots up. Although all this...
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Org vDC to vCenter Resource Pool Workflow Using vCenter Orchestrator
I was helping a colleague of mind this evening with a question about retrieving a vCenter Resource Pool given a vCloud Director Organization vDC using vCenter Orchestrator. However, this particular...
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Scripts to Extract vCloud Director Chain Length and Linked Clone Mappings
There were some questions this week about extracting the chain length for a virtual machine as well as figuring out which Linked Clones were mapped to a particular vAppTemplate and/or shadowVM in...
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Auditing vMotion Migrations
I saw an interesting question this week about auditing vMotion events and the number of times a VM has migrated to a particular ESX(i) host for license compliance. You can view this information using...
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Extracting SSL Thumbprint from ESXi
While browsing the VMTN forums earlier this week, I noticed an interesting request from a user who was trying to compile an inventory of the SHA1 Thumbprints for all his ESXi hosts. The challenge the...
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Identifying & Fixing Virtual Machines Affected By SvMotion / VDS Issue
UPDATE 07/13/2012 - vSphere 5.0 Update 1a has just been released which resolves this issue, please take a look here for more details for the patch as this script is no longer required. Duncan Epping...
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Disable LUN During ESXi Installation
For many of us who worked with classic ESX back in the day, can recall one of the scariest thing during an install/re-install or upgrade of an ESX host that had SAN attached storage, was the potential...
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Automatically Remediating SvMotion / VDS Issue Using vCenter Alarms
UPDATE 07/13/2012 - vSphere 5.0 Update 1a has just been released which resolves this issue, please take a look here for more details for the patch as this script is no longer required. In my previous...
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vSphere Security Hardening Report Script for vSphere 5
The much anticipated vSphere 5 Security Hardening Guide was just released last week by VMware and includes several new guidelines for the vSphere 5 platform. In addition to the new guidelines, you will...
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Removing Previous Local Datastore Label for Reinstall in ESXi 5
If you reinstall ESXi 5 on system that had a previous copy, one thing you might have noticed is the local VMFS datastore label is preserved. This is also true if you perform an unattended installation...
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Enabling/Disabling EVC using the vSphere MOB
There were some discussions this morning on twitter regarding the configuration of EVC for a vSphere Cluster using one of the vSphere CLI's such as PowerCLI or directly leveraging the vSphere API....
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How to Deploy an OVF/OVA in the ESXi Shell
I recently answered, what I thought was pretty straight forward question on the VMTN forums about whether it was possible to to deploy an OVA directly onto an ESXi host without leveraging remote tools...
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How to Deploy ESXi 5 Using Razor & Puppet
Earlier this week the extraordinary uber super star Nicholas Weaver released a new open source project that he's been working on called Razor (not related to vShaving). I would highly recommend you...
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That's so cool! Running ESXi 5 on Apple Mac Mini
Those of you who follow me on twitter should know that I recently got my hands on an Apple Mac Mini Server (Thanks Randy K.) and are probably thinking I would install Apple OSX on the Mini. Nope! I am...
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OVF Runtime Environment
I recently noticed a trend of questions from various users about extracting specific bits of information such as the version of ESXi that's running or the MoRef ID of the VM, all while within the...
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Thunderbolt Ethernet Adapter in Apple Mac Mini on ESXi 5
If you followed Apple's recent announcement at their WWDC conference then you would know that they just released a Thunderbolt to Gigabit Ethernet adapter. So, why am I talking about this? Well if you...
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How to Copy VMs Directly Between ESXi Hosts Without Shared Storage
There were some discussions earlier this week about copying Virtual Machines from one ESXi host to another ESXi host that reminded me of a very cool feature in the ovftool that could help with this...
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How to Change the Splash Screen In vMA
To customize the default splash screen on vMA 5.x, you just need to edit /opt/vmware/etc/isv/welcometext which contains the version of vMA and the management URL as the default.In addition to adding...
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Inactivity Timeout for the vSphere C# Client
I recently came across an interesting VMTN thread in which I learned about a neat little feature that allows a user to configure an inactivity timeout for the vSphere C# Client. Once the timeout value...
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