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PuppetCamp 2010

I’m off to PuppetCamp this week, October 7th and 8th at the City Club of San Francisco. Hopefully there will be some interesting conversations with others in charge of non-trivial, multi-site, multi-environment puppet systems.  At PowerReviews, we rely heavily upon puppet for automation and I’m hoping to pick up a few new tricks. We just [...]

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Database Schema Migration Tool

I have been working on database schema migration tools lately. We have 25+ database instances spread across 7 servers and sometimes it can get difficult to track which SQL changes got run against each of the databases (especially in the development environments). First I surveyed some of the existing tools.  I looked at Rails Migrations, [...]

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Books I Have Been Reading

I just finished Wisdom of Crowds by James Surowiecki & How to Lie with Statistics by Darrell Huff. The first book was a very accessible read on the subject of Behavioral Finance which I have always found fascinating. (Basically prices in the stock market don’t reflect necessarily reflect the true value of any particular security. [...]