Kubernetes Namespaces Cheatsheet
This article represents a quick, crisp and to-the-point instructions on how to setup Kubernetes on Ubuntu VM. The steps below would help you get started with Kubernetes on your laptop with the help of Minikube. Minikube is a tool which runs a single-node kubernetes cluster inside a VM (virtualbox in this article) on your laptop. In this article, we will look at the steps for installing Kubernetes within an Ubuntu VM. The steps remain almost same for Ubuntu OS with the difference of how you enable the virtualization at BIOS level.
First and foremost, a hypervisor needs to be installed. We will install Virtualbox. The detailed instructions can be found on VirtualBox installation page. For Linux distributions, the instructions can be found on this page, VirtualBox for Linux.
sudo vi /etc/apt/sources.list
deb http://download.virtualbox.org/virtualbox/debian xenial contrib
In place of “xenial” (Ubuntu 16.04), use following for other versions of Linux/Ubuntu:
sudo apt-get update sudo apt-get install virtualbox-5.2
Click on processors and check the box such Virtualize Intel VT-x… as shown in the diagram below.
Figure 1. Enable Virtualization on Ubuntu VM
# The command below installs Kubectl version 1.9.0 curl -LO https://storage.googleapis.com/kubernetes-release/release/v1.9.0/bin/linux/amd64/kubectl # For stable version, use following command: curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl
chmod +x ./kubectl sudo mv ./kubectl /usr/local/bin/kubectl
curl -Lo minikube https://storage.googleapis.com/minikube/releases/v0.24.1/minikube-linux-amd64 && chmod +x minikube && sudo mv minikube /usr/local/bin/ minikube version
minikube start
The following diagram represents the same:
Figure 2. Minikube Start
minikube dashboard
The following page shows up in the browser:
Figure 3. Kubernetes Dashboard
minikube stop
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