Tools

Logon to master node and follow below steps

1. Install cfssl to generate certificates

$ wget -q --show-progress --https-only --timestamping \
  https://pkg.cfssl.org/R1.2/cfssl_linux-amd64 \
  https://pkg.cfssl.org/R1.2/cfssljson_linux-amd64
$ chmod +x cfssl_linux-amd64 cfssljson_linux-amd64
$ sudo mv cfssl_linux-amd64 /usr/local/bin/cfssl
$ sudo mv cfssljson_linux-amd64 /usr/local/bin/cfssljson
  • Verification
$ cfssl version
  • Output
Version: 1.2.0
Revision: dev
Runtime: go1.6

2. Install kubectl

  • Download kubectl
wget https://storage.googleapis.com/kubernetes-release/release/v1.13.0/bin/linux/amd64/kubectl
  • Make it executable and move to one of the shell $PATH
$ chmod +x kubectl
$ sudo mv kubectl /usr/local/bin/
  • Verification
$ kubectl version --client
  • Output
Client Version: version.Info{Major:"1", Minor:"12", GitVersion:"v1.12.0", GitCommit:"0ed33881dc4355495f623c6f22e7dd0b7632b7c0", GitTreeState:"clean", BuildDate:"2018-09-27T17:05:32Z", GoVersion:"go1.10.4", Compiler:"gc", Platform:"linux/amd64"}