Category Archive: vHersey

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Oct 01

Weather with Python, TkInter, Raspberry Pi…

Just messing around this weekend with some Python and TkInter. I put together a little weather app.

Sep 25

Some VCAP 6.5 DCV Design Exam Study Notes

A couple weeks ago I sat and passed the VCAP 6.5 Datacenter Design Exam. It was a good but tough exam. The VCAP 6.5 Design exam is a bit different from past VCAP Design Exams – there are no Visio type questions. Just multiple choice and “drag and drop” questions.

Sep 24

VMware Free Self-paced eLearning

Some free elearning resources for my ITN classes (and for everyone) – here are some great free self-paced elearning for vSphere 6 and vSphere 6.5.

Aug 14

Recreating a vmdk descriptor file with vmkfstools

A VMware virtual machine disk is made up of two files: the .vmdk file and the -flat.vmdk file. The .vmdk file is the descriptor file and the -flat.vmdk file contains the data.

Jul 17

Jumbo Frames – Make sure it is setup end-to-end.

Jumbo Frames must be configured correctly end-to-end. This means on the vSwitch, vmkernel interfaces, physical switches, and endpoints. The vmkping command can be used to test a vmkernel interface for proper configuration of Jumbo Frames.

Jul 03

DIY Garage Workbench

This post is not about virtualization, my home lab, or technology. Going a little low tech here to share a DIY project I did over the weekend, a mobile garage workbench using some free plans I found over at Shanty2Chic.com.

Jun 20

New Book – VMware vSphere 6.5 Host Resources Deep Dive

Just ordered a copy of Host Resources Deep Dive. The VMware vSphere 6.5 Host Resources Deep Dive is a guide to building consistent high-performing ESXi hosts.

Jun 19

Using vSphere HA to Protect vCenter

The ability to provide HA protection of the vCenter Server is one of benefit of deploying vCenter as a virtual machine. vCenter is required to configure vSphere HA but once vSphere HA is configured vCenter is NOT required for vSphere HA to protect virtual machines in the cluster, including a virtualized vCenter Server.

Jun 14

It’s been a while…

It has been a good bit since I posted anything new. Just busy with work, family, and other stuff. Some new stuff coming soon. I promise. Related Posts:vCoffee Links #13 – Lots of good vStuff!!!A New Adventure…vCoffee Links #11 – Welcome 2015!!!vCoffee Links #14 – Catching Up280 Character Daily Journal

Apr 23

Setting up the Weathervane Benchmarking Tool in the Home Lab

Standing up Weathervane in the home lab will provide hands-on for developing skills like creating a template VM, creating a guest customization specification, working with some basic Linux commands, working with an app with multiple tiers, creating a guest customization specification, cloning VMs, and monitoring performance metrics. This post provides an overview of how I set up Weathervane in my home lab, an example of the results generated from the Weathervane runs, and a look at the performance metrics I observed in lab during the Weathervane runs.

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