148422597X Kubernetes Management Design Patterns [Vohra 2017-01-29] {E559F6BB}

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Chapter 2 ■ Kubernetes on CoreOS on AWSFigure 2-2 shows the output from this command. As you can see, the key fingerprint is 18AD 5014 C99EF7E3 BA5F 6CE9 50BD D3E0 FC8A 365E, which is the correct key fingerprint; the value is a constant.Figure 2-2. Importing and validating the CoreOS application signing keyDonwload the latest release tarball and detached signature (.sig) for kube-aws from https://github.com/coreos/coreos-kubernetes/releases:wget https://github.com/coreos/coreos-kubernetes/releases/download/v0.7.1/kube-aws-linuxamd64.tar.gzwget https://github.com/coreos/coreos-kubernetes/releases/download/v0.7.1/kube-aws-linuxamd64.tar.gz.sigValidate the tarball’s GPG signature.gpg2 --verify kube-aws-linux-amd64.tar.gz.sig kube-aws-linux-amd64.tar.gzThe primary key fingerprint should be 18AD 5014 C99E F7E3 BA5F 6CE9 50BD D3E0 FC8A 365E, asshown in Figure 2-3.26
Chapter 2 ■ Kubernetes on CoreOS on AWSFigure 2-3. Validate the tarball’s GPG signatureExtract the binary from the tar.gz file:tar zxvf kube-aws-linux-amd64.tar.gzAdd kube-aws to the path:sudo mv linux-amd64/kube-aws /usr/local/binThe kube-aws CloudFormation generator is installed. You can display information about its usage withthe kube-aws –help command.Setting Up Cluster ParametersBefore initializing and launching the AWS CloudFormation cluster we need to create or define the followingcluster parameters:• EC2 key pair• KMS key• External DNS nameBefore creating a key pair we need to configure an AWS region; we already did that with the awsconfigure command. Run the following command to create a key pair called kubernetes-coreos and save itas kubernetes-coreos.pem:aws ec2 create-key-pair --key-name kubernetes-coreos --query 'KeyMaterial' --output text >kubernetes-coreos.pemModify the access permissions of the key pair using the mode 400, which sets access permissions toread by owner.chmod 400 kubernetes-coreos.pem27
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Page 5 and 6: ■ CONTENTS AT A GLANCE■Part
Page 7 and 8: ■ CONTENTSSetting Up Cluster Para
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Page 11 and 12: ■ CONTENTSOvercommitting Resou
Page 13 and 14: ■ CONTENTSInstalling OpenShift
Page 15 and 16: About the Technical ReviewerMassimo
Page 17 and 18: ■ INTRODUCTIONpatterns are lan
Page 19 and 20: ■ INTRODUCTIONIn Chapter 3 we
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PART IIAdministration andConfigurat
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Chapter 7 ■ Using ServicesAnother
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Chapter 7 ■ Using ServicesList th
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Chapter 8 ■ Using Rolling Updates
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Chapter 10 ■ Configuring Compute
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Chapter 11 ■ Using ConfigMapsIn t
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CHAPTER 13Using AutoscalingStarting
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CHAPTER 14Configuring LoggingLoggin
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Chapter 14 ■ Configuring Logging
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Docker Log FilesChapter 14 ■ Conf
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CHAPTER 15Using an HA Master with O
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Installing the Network ManagerChapt
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Chapter 16 ■ Developing a Highly
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■ INDEXClusters (cont.)configurat
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■ INDEXKubernetes (cont.)nodes, 6
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■ INDEXRoute 53 service (cont.)de
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