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OSCON 2014 Day 1 - OpenStack & Docker Tutorials

It's Day 1 of OSCON and it's the first of the "tutorial days". It's similar to the few days leading up to VMworld where you can pay a little extra and go to the pre-conference bootcamps. You can look at the entire OSCON 2014 Schedule to see the list of tutorials and sessions.

 

The conference feel is unlike any of the big ones. There wasn't a single banner outside advertising the event and there were only a handful banners and signs inside that pointed where you needed to go. In fact, it took me about 10 minutes to figure out that OSCON was sharing the venue with 3 other Cons and I had to walk a quarter mile to get to the location.

 

As much as I really wanted to attend Get Started With the Arduino - A Hands-On Introductory Workshop, I figured it probably wasn't in my "career's" best interest. Maybe I'll do this tutorial next year since it's been going 4 years strong. So I opted to attend Getting Started with OpenStack: Hands on Tutorial with Egle Sigler & Cody Bunch, and Introduction to Docker: Containerization is the New Virtualization with James Turnbull.

 

Don't get me wrong, I'm not a new fish (shawshank reference) when it comes to OpenStack and Docker. I've spent a good deal of time messing with the both, but I've never taken any formal training. It's the same thing as your boss telling you "Go install vCenter" when you have no idea about the underlying features and functions of ESXi. When messing with any new technology I believe you need to grasp the foundation before you start going crazy. There's only so much you can learn from self-discovery and reading documentation. This is why I opted to take these "introductory" courses so I can learn from the people who make the product.

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VMware View PowerCLI Active Session Count

I'm just throwing a quickie out there...

 

I originally wanted to create a small ruby or python script that collected the Active Number of View Sessions currently running for a small project we are running internally. Come to find out, there isn't an API available for VMware View (TBD documentation for Horizon 6) so I had to rely on Powershell to do this for me.

 

I'm sure there are PS gurus out there that will tell me they can condense this down to a single line, but that's not how my brain works.

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Discussing Cloud Foundry Summit on The Cloudcast

Big thanks to Aaron Delp (@aarondelp) and Brian Gracely (@bgracely) for inviting me to be a guest on The Cloudcast episode #149. We discussed my time at Cloud Foundry Summit and what it means to enterprises out there. If you are bored with virtualization, you should listen and maybe start seeing the light... i know i did.

 

 

 

A Summary from the show (taken from thecloudcast.net)

 

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Cloud Foundry Summit 2014 - A Review and Perspective

I've lived in a world of VMs for the past few years and since I started learning Ruby on Rails last year, I've seen a whole new light. You hear all the time that software is eating the world but it's starting to really settle in for me. This is where PaaS and Docker start to shine. As applications become less monolithic, the need for VMs diminish. PaaS and Docker are a new frontier.

 

To put it in perspective, check out this slide below from the opening keynote. Software is disrupting every industry and one of the things that Andrew Clay Shafer (@littleidea) said at the end of his final keynote on Wednesday was "If you aren't creating a software company, then someone else is...and you will lose".

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From Zero to Cloud Foundry on vSphere: Part 3 - Deploy Cloud Foundry with BOSH

We're on to Part 3. In Part 1, we deployed MicroBOSH that enables us to deploy BOSH. In Part 2, we deployed BOSH which got us used to using manifest files. The manifest rules all. This is all adapted from the official documentation located at Deploying Cloud Foundry on vSphere.

 

This tutorial will go over the steps it takes to deploy Cloud Foundry on vSphere. Here are the proper steps:

Part 1 - How to install MicroBOSH
Part 2 - Deploy BOSH with MicroBOSH
Part 3 - Deploy Cloud Foundry with BOSH

 

NOTE: This final part has not been 100% verified. The deployment of this Cloud Foundry manifest requires the following infrastructure: 72 vCPUs, 200GB of RAM, and 1 TB of storage. Of course, my home lab doesn't support this so I kept getting timeout errors during the deployment. My problem is that my vCenter server can't keep up with the deployment speed. My vCenter Server Virtual Appliance is only configured with 8GB of RAM but it needs something much beefier to be able to handle the amount of requests. I believe this is the case because my vSphere Web Client would lose connection for a few minutes and when the deployment stopped, the Web Client started responding again. If you do test out this manifest below, please confirm it by mentioning it in the comments below. I will hope to test this in a real lab environment soon.

 

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From Zero to Cloud Foundry on vSphere: Part 2 - Deploy BOSH with MicroBOSH

We're on to Part 2. In Part 1, we deployed MicroBOSH that enables us to deploy BOSH. BOSH is needed to deploy Cloud Foundry. This is all adapted from the official documentation located at Deploying Cloud Foundry on vSphere.

 

This tutorial will go over the steps it takes to deploy Cloud Foundry on vSphere. Here are the proper steps:

Part 1 - How to install MicroBOSH
Part 2 - Deploy BOSH with MicroBOSH
Part 3 - Deploy Cloud Foundry with BOSH

 

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From Zero to Cloud Foundry on vSphere: Part 1 - How to install MicroBOSH

It seems that the teams over at Cloud Foundry give us too much credit. I spent days trying to get Cloud Foundry up and running because of minor snags and glitches. In addition, the documentation to make this all work doesn't exist in a single place, it's all outdated, or isn't descriptive enough. Hopefully this spoon feeding series tutorial will help get you there.

 

This tutorial will go over the steps it takes to deploy Cloud Foundry on vSphere. Here are the proper steps:

Part 1 - How to install MicroBOSH
Part 2 - Deploy BOSH with MicroBOSH
Part 3 - Deploy Cloud Foundry with BOSH

 

Start off with a pristine Ubuntu image. I'm using 12.04.03. Install VMware Tools first, then lets get started adding packages.

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"Build a Vblock" MidLevel Tool v3 Released

One of the tools I created and maintain within VCE is the Vblock Systems MidLevel Tool. I blogged about its 2.0 release back in August of 2013.

 

You can download it in the following places:

 

What's new in v3:

  • Updated Vblock 100 components for new refresh
  • Updated Vblock 200 components for refresh
  • Added AMP2
  • Added new Management Network Layer for Vblock 3x0 and 7x0 since AMP2 removes management switches
  • Removed Vblock 320
  • Added Vblock 340 to represent new components and optional bandwidth enhancements
  • Added Vblock 3x0 & 7x0 Virtualization layer for VMware VDS
  • Added Vblock Specialized System for Extreme Applications
  • Added Vblock Specialized System for High Performance Databases
  • Added Vblock Specialized System for SAP HANA
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vCAC Error Connecting to vCO API - Fixed

I had a problem where my vCAC environment could no longer talk to my vCO APIs. I constantly have to turn off vCAC and bring it back up because of resource constraints in my home lab. For some reason I just thought the services weren't coming up and I realized no amount of reboots were going to fix it.

 

The error was:

 

You cannot perform that action because the system cannot connect to the provider at https://vcac-appliance.kendrickcoleman.c0m:8281/vco/api/.

 

A quick google search led me to this VMTN article Error in vCAC6.0.1 connecting vCO that got me on the right track. Steve Beaver's solution didn't solve my issue, but it's a safe assumption that if you have followed my mulit-part series on vCAC, then you may end up running into this as well.

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ESXi Heartbleed Vulnerability. What can be seen?

A lot of talk about heartbleed lately with OpenSSL. Plenty of blogs talk about it, but I wanted to see what can actually be scraped.

 

This morning I talked a friend of mine I grew up and went to University of Kentucky with that graduated from DePaul with a masters in network security, Austin Diener (@diener) I figured he would be the best place to start for this fact finding mission. He led me to this script located on github OpenSSL heartbeat PoC with STARTTLS support.

 

It's a pretty simple script, point it at your ESXi server with port 443 and watch the magic happen.

 

NOTE: this server is on my LOCAL LAN in a test environment. I don't care if you try to reverse engineer this garbage. (proceed to the bottom for more information)

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