November 2020
Intermediate to advanced
136 pages
2h 9m
English
Content preview from kubectl: Command-Line Kubernetes in a Nutshell
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Chapter 2: Getting Information about a Cluster
When you are managing a Kubernetes cluster, it is necessary to know what Kubernetes version it is running on, the details about the master (also called the control plane), any addons installed on the cluster, and the available APIs and resources. As different Kubernetes versions support different API versions for resources, not setting the right/unsupported API version for your, for example, Ingress, will cause the deployment to fail.
In this chapter, we're going to cover the following topics:
- Cluster information
- Cluster API versions
- Cluster API resources
Cluster information
It is always good to know which version of the Kubernetes server (API) is installed for a Kubernetes cluster as you might ...
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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.