Welcome to the blog of Edmund Haselwanter. Writing about IaaS (mostly OpenStack), Config Management (Chef/Puppet), Infrastructure as Code.

SCOTTY: She's all yours, sir. All systems *automated* and ready.
                A chimpanzee and two trainees could run her!

CAPTAIN KIRK: Thank you, Mr.Scott. I'll try not to take that personally.


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How to configure your local Crowbar Chef Environment

Crowbar uses its own opens source Chef instance. After a default installation it is not very easy to update cookbooks from your local development environment. This howto describes a more usable configuration of local crowbar environment.

Setup your...

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Deployment of Openstack on a Virtualbox Multi Node Environment

Update 2014/03/20

This is bases on crowbar-virtualbox 91d4dbcbd2efdb31d0944b67f5100d3ce668fc64

Get The Code

First get the project files from the Github repository.

git clone https://github.com/iteh/crowbar-virtualbox.git


Provide a transportable...

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Deploying OpenStack with Crowbar at Scale

I’ve been working with @hvolkmer on an OpenStack deployment with Crowbar for a project we are currently doing for T-Labs. We deployed a 100 Node Crowbar/OpenStack Cluster.

Read what we have learned on his blog: Crowbar At Scale.

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Mechanize Screencast and IRB copy history

And again Ryan Bates did a great screencast. This time on mechanize

“Mechanize extends the power of Nokogiri allowing you to interact with multiple pages on the site: click links, submit forms, etc.”

And if you ever wanted to extract the history of...

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HTTP Basic Auth for Mysql password and old_password in Rails

I recently had to develop a small application for a client. The goal was to add a feature to grown Java web application.

As the software was maintained for several years there are users with old an new MySql passwords in the system.

To authenticate...

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chef from opscode and the power of ruby

Recent releases of chef from opscode provide a new resource: ruby_block

This is really great news as this allows for interesting problem solving.

Consider you want to do a very special HTTP request. E.g. a GET to localhost but with custom “Host” header...

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webalizer cookbook and definition for chef from opscode

Install and run the webalizer with Chef from Opscode


As DRY as possible ;-)

What it is for

Simply put it derives the log file name from its name and takes a server name for where to access...

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Simple ping.fm extension for radiant

I just created a simple Ping.fm extension for RadiantCMS on github: ping.fm extension

With this you can have updates to your site automatically send details to your
Ping.fm account. All you’ll need to do is provide your account information in the...

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Glassfish cookbook for chef from opscode

Install and run the Sun Glassfish Application Server from Sun with Chef from Opscode

At the moment its really dumb and just installs Glassfish and runs it:

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Interested in Cloud or Chef Trainings? Have a look at our Commandemy Trainings page. Need help migrating to the cloud? Check out Infralovers.

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