December 2013
Intermediate to advanced
332 pages
8h 37m
English
book
Pro Puppet, Second Edition
by Spencer Krum, William Van Hevelingen, Ben Kero, James Turnbull, Jeffery McCune
Content preview from Pro Puppet, Second Edition
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CHAPTER 5
Externalizing Puppet Configuration
In Chapter 2 we talked about the ways you can define your hosts or nodes to Puppet. We talked about specifying them in a variety of forms as node statements in your Puppet manifest files. We also mentioned that Puppet has the capability to store node information in external sources. This avoids the need to specify large numbers of nodes manually in your manifest files, a solution that is time-consuming and not scalable.
Puppet has two ways to store node information externally:
- External Node Classification
- LDAP server classification
The first capability, called External Node Classification (ENC)
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.