June 2023
Intermediate to advanced
416 pages
11h 5m
English
Content preview from Puppet 8 for DevOps Engineers
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11
Classification and Release Management
The focus of this chapter will be on how Puppet deploys code and classifies this code to servers. Environments will be examined first, showing how this creates isolated groups of servers with particular versions of modules. We will discuss how this can provide both static and temporary environments. We will show how modern Puppet uses directory-based environments to have environment code in a specific location that Puppet Server can automatically discover. The methods a primary server can use to classify nodes will be discussed, at the most basic level using node definitions in the site.pp main manifest file or a collection of manifests, using Hiera lookups within these node definitions or with an External ...
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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.