![]() Install Docker v19.03 from Ubuntu’s repositories: The following steps should be done on all of the running VMs. The hostnames and IP addresses of the machines are as follows: You can use this Vagrantfile to spin up the VMs by simply running vagrant up. All VMs will be set up with 2 CPUs and 2GB RAM each. Let us set up 3 VMs, one being the master (kubemaster) and the remaining two being the workers (worker1 and worker2). If you just want a quick setup without wanting to know how it is done, you can skip the rest of this article and use this Github repo. To follow through with this article, you will need to have Virtualbox and Vagrant installed. This article explains how you can use kubeadm to set up a Kubernetes cluster on three VirtualBox virtual machines (one master and two workers) running Ubuntu 20.04 LTS. Kubeadm is a tool that helps you bootstrap a best-practice Kubernetes cluster in an easy, reasonably secure and extensible way. Kubernetes ubuntu kubeadm cluster virtualbox Introduction
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