Tag: Chef

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

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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

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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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