About the Reviewers

Vlastimil Holer is a systems engineer, with focus on automation. He has worked with Unix-like systems for more than a decade, and first used Puppet in 2008 while preparing and managing the growing deployment of the GoodData cloud BI on Amazon EC2. Currently, he works on the CERIT Scientific Cloud project at Masaryk University, where he manages and automates their computing, cloud, and storage infrastructure.

Jeroen Hooyberghs is an open source and Linux consultant, working for Open Future in Belgium. In this position as well as in his earlier roles in Linux system administration, he obtained technical expertise through a lot of open source solutions, such as Puppet. In 2014, he became a Puppet Certified Professional and Official ...

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