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You're reading from  Kubernetes - A Complete DevOps Cookbook

Product typeBook
Published inMar 2020
PublisherPackt
ISBN-139781838828042
Edition1st Edition
Tools
Kubernetes
Concepts
DevOps
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Author (1)
Murat Karslioglu
Murat Karslioglu
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Murat Karslioglu

Murat Karslioglu is a distinguished technologist with years of experience using infrastructure tools and technologies. Murat is currently the VP of products at MayaData, a start-up that builds data agility platform for stateful applications, and a maintainer of open source projects, namely OpenEBS and Litmus. In his free time, Murat is busy writing practical articles about DevOps best practices, CI/CD, Kubernetes, and running stateful applications on popular Kubernetes platforms on his blog, Containerized Me. Murat also runs a cloud-native news curator site, The Containerized Today, where he regularly publishes updates on the Kubernetes ecosystem.
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Using RBAC to harden cluster security

In a complex system such as Kubernetes, authorization mechanisms are used to set who is allowed to make what changes to the cluster resources and manipulate them. Role-based access control (RBAC) is a mechanism that's highly integrated into Kubernetes that grants users and applications granular access to Kubernetes APIs.

As good practice, you should use the Node and RBAC authorizers together with the NodeRestriction admission plugin.

In this section, we will cover getting RBAC enabled and creating Roles and RoleBindings to grant applications and users access to the cluster resources.

Getting ready

Make sure you have an RBAC-enabled Kubernetes cluster ready (since Kubernetes 1.6, RBAC is enabled by default) and that kubectl and helm have been configured so that you can manage the cluster resources. Creating private keys will also require that you have the openssl tool before you attempt to create keys for users.

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Kubernetes - A Complete DevOps Cookbook
Published in: Mar 2020Publisher: PacktISBN-13: 9781838828042
© 2020 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Murat Karslioglu

Murat Karslioglu is a distinguished technologist with years of experience using infrastructure tools and technologies. Murat is currently the VP of products at MayaData, a start-up that builds data agility platform for stateful applications, and a maintainer of open source projects, namely OpenEBS and Litmus. In his free time, Murat is busy writing practical articles about DevOps best practices, CI/CD, Kubernetes, and running stateful applications on popular Kubernetes platforms on his blog, Containerized Me. Murat also runs a cloud-native news curator site, The Containerized Today, where he regularly publishes updates on the Kubernetes ecosystem.
Read more about Murat Karslioglu

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