January 2017
Intermediate to advanced
258 pages
4h 53m
English
Content preview from Implementing DevOps on AWSBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. Bringing Your Infrastructure Under Configuration Management
As hinted at the end of the previous chapter, there is some more work to be done before we can claim to have fully implemented IaC.
The first step was to describe the hardware side of our infrastructure in code; now it is time to look at the software or configuration aspect of it.
Let us say we have provisioned a few EC2 nodes and would like to have certain packages installed on them, and relevant configuration files updated. Prior to Configuration Management (CM) tools gaining popularity, such tasks would have been performed manually by an engineer either following a checklist, running a collection of shell scripts, or both. As you can imagine, such methods do not scale well ...
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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.