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Topic: "Safer Puppet" in 4 quick demos

Speaker: Thomas Limoncelli

Date: Thursday, May 7th, 2015

Time: 7:00pm (social), 7:30pm (discussion)

Nervous about making big changes to your systems with Puppet? Tom will present 4 techniques we use at Stack Exchange, Inc. that will increase your confidence in the changes you make using Puppet.

• Infinite source code "undo" using Git

• Automatic testing and deployment using TeamCity

• Build a test environment on your laptop using Vagrant

• Test changes in production safely using Puppet Environments and --noop

If the WiFi is working, Tom will make live changes to Stack Exchange, Inc's infrastructure during the presentation.

Bio:
Tom Limoncelli is a member of LOPSA's NJ Chapter, best know for books like Time Management for System Administrators (O'Reilly) and The Practice
of System and Network Administration (Addison-Wesley).

He works in New York City at Stack Exchange, home of ServerFault.com and StackOverflow.com.