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Upcoming Mini-tutorial at BigDataCamp: How to Build a Hadoop Cluster from Scratch in 20 Minutes by CTO of Infochimps

Flip  Kromer (@mrflip), CTO of Infochimps will give a an overview and tutorial on using the latest version of Ironfan (which until today was called cluster_chef)  at the BigDataCamp unconference put on by  Dave Nielsen just before O’Reilly’s Strata Conference Feb 27 from 5:30pm…

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Avoiding a series of tests with Ruby Hashes of Hashes that might have nil before the leaf hash

I’m mostly using Ruby to write Opscode Chef Cookbooks. There are a lot of hashes of hashes that contain attributes or Data Bags. Things that look like: If I wanted to test if this value is set I…

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Deploy WordPress to Amazon EC2 Micro Instance with Opscode Chef

Updates September 9, 2011 Included the latest Chef Knife ec2 server create argument that sets the EBS Volume to not be deleted on the termination of the EC2 Instance Intro Up until recently a friend lent me a…

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Nice jruby installation cookbook (Opscode)

There are a lot of good example Opscode cookbooks out there. Unfortunately they can be hard to find. People are not submitting them to the Opscode Cookbook repository. Its still hard to untangle your own cookbooks into something…

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Using the Official Opscode 0.8.x Gems to build EC2 AMI Chef Client and Server

Updates Mar 3, 2010 Added call to script ec2-set-defaults that is normally called on ec2 init that sets the locale and apt sources for EC availability Zone Introduction Opscode has officially released 0.8.x of Chef. It is now…

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Reseting the Opscode Chef Server Validation key/pem

In upgrading from my own custom hacked pre-0.8.x Chef server/clients to the official new and shiny 0.8.2 release, I wanted to make everything vanilla. One issue was somewhere along the line I set the validation_client_name to “validator”. The…

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