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You're reading from  Getting Started with Kubernetes, - Third Edition

Product typeBook
Published inOct 2018
PublisherPackt
ISBN-139781788994729
Edition3rd Edition
Tools
Kubernetes
Concepts
DevOps
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Authors (2):
Jonathan Baier
Jonathan Baier
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Jonathan Baier

Jonathan Baier is an emerging technology leader living in Brooklyn, New York. He has had a passion for technology since an early age. When he was 14 years old, he was so interested in the family computer (an IBM PCjr) that he pored over the several hundred pages of BASIC and DOS manuals. Then, he taught himself to code a very poorly-written version of Tic-Tac-Toe. During his teenage years, he started a computer support business. Throughout his life, he has dabbled in entrepreneurship. He currently works as Senior Vice President of Cloud Engineering and Operations for Moody's corporation in New York.
Read more about Jonathan Baier

Jesse White
Jesse White
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Jesse White

Jesse White is a 15-year veteran and technology leader in New York City's very own Silicon Alley, where he is a pillar of the vibrant engineering ecosystem. As founder of DockerNYC and an active participant in the open source community, you can find Jesse at a number of leading industry events, including DockerCon and VelocityConf, giving talks and workshops.
Read more about Jesse White

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DNS

DNS solves the issues seen with environment variables by allowing us to reference the services by their name. As services restart, scale out, or appear anew, the DNS entries will be updating and ensuring that the service name always points to the latest infrastructure. DNS is set up by default in most of the supported providers. You can add DNS support for your cluster via a cluster add on (https://kubernetes.io/docs/concepts/cluster-administration/addons/).

Note

If DNS is supported by your provider, but is not set up, you can configure the following variables in your default provider config when you create your Kubernetes cluster:ENABLE_CLUSTER_DNS="${KUBE_ENABLE_CLUSTER_DNS:-true}"DNS_SERVER_IP="10.0.0.10"DNS_DOMAIN="cluster.local"DNS_REPLICAS=1.

With DNS active, services can be accessed in one of two forms—either the service name itself, <service-name>, or a fully qualified name that includes the namespace, <service-name>.<namespace-name>.cluster.local. In our examples...

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Getting Started with Kubernetes, - Third Edition
Published in: Oct 2018Publisher: PacktISBN-13: 9781788994729
© 2018 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Jonathan Baier

Jonathan Baier is an emerging technology leader living in Brooklyn, New York. He has had a passion for technology since an early age. When he was 14 years old, he was so interested in the family computer (an IBM PCjr) that he pored over the several hundred pages of BASIC and DOS manuals. Then, he taught himself to code a very poorly-written version of Tic-Tac-Toe. During his teenage years, he started a computer support business. Throughout his life, he has dabbled in entrepreneurship. He currently works as Senior Vice President of Cloud Engineering and Operations for Moody's corporation in New York.
Read more about Jonathan Baier

author image
Jesse White

Jesse White is a 15-year veteran and technology leader in New York City's very own Silicon Alley, where he is a pillar of the vibrant engineering ecosystem. As founder of DockerNYC and an active participant in the open source community, you can find Jesse at a number of leading industry events, including DockerCon and VelocityConf, giving talks and workshops.
Read more about Jesse White

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