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Jon Cowie

Jon Cowie
Principal Customer Architect, Chef

Website | @jonlives

Jon Cowie is a senior operations engineer at Etsy where he mixes his love of both coding and operations to try and solve interesting problems. He has created and open sourced a number of projects, including the Chef tools knife-spork and knife-preflight, and has spoken at several of O’Reilly’s Velocity conferences. He’s currently working on the upcoming O’Reilly book Customizing Chef (


Location: 211 Level: Intermediate
Jon Cowie (Chef)
Average rating: ****.
(4.30, 10 ratings)
A whistlestop tour through the internals of Chef, exploring how everything fits together and the various places you can hook in custom code. I'm particularly going to focus on helping you decide when it's appropriate to use each customization type and also whether or not you *should* customize. Read more.
Office Hours
Location: Table C (Banquet Hall)
Jon Cowie (Chef)
You have Chef questions. Jon is the person to answer them. Come by and talk shop with him about customizing Chef, the “Customizing Chef Book”, and Chef workflow questions. Read more.