August 2017
Beginner
338 pages
8h 34m
English
Content preview from Preparing for the Certified OpenStack Administrator Exam
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Keystone concepts
Let's take a look at some common Keystone terminology. If you are a bit confused by the introduction of these concepts, don't worry. We will cover all of them in more detail as we work through specific exam objectives and perform tasks in our lab environment.
- Domains: Domains are high-level logical containers used for users, groups, and projects. Consider a new IT company wanting to create an OpenStack public cloud. If this company really wanted to make an impact in the IT world, they would need to host and support more than one customer signing up for their very own OpenStack account. The company would most likely put each new customer in their own domain. Similar to popular public clouds such as Amazon Web Services or ...
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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.