What you need for this book
All the examples in this book were written and tested using an Enterprise Linux 7 derived installation, such as CentOS 7, Scientific Linux 7, or Springdale Linux 7. Additional repositories used were EPEL (Extra Packages for Enterprise Linux), the Software Collections (SCL) repository, the Foreman repository, and the Puppet Labs repository. The version of Puppet used was the latest 4.2 series at the time of writing.