{"id":15288,"date":"2020-10-09T15:05:24","date_gmt":"2020-10-09T09:35:24","guid":{"rendered":"http:\/\/onlineappsdba.com\/?p=15288"},"modified":"2020-12-08T16:41:49","modified_gmt":"2020-12-08T11:11:49","slug":"how-to-setup-a-three-node-kubernetes-cluster-for-cka-step-by-step","status":"publish","type":"post","link":"https:\/\/onlineappsdba.com\/index.php\/2020\/10\/09\/how-to-setup-a-three-node-kubernetes-cluster-for-cka-step-by-step\/","title":{"rendered":"How to Setup a Three Node Kubernetes Cluster for CKA: Step by Step"},"content":{"rendered":"<p>A Kubernetes Cluster is a group of nodes or machines running together. At the highest level of Kubernetes, there exist two kinds of servers, a Master and a Worker node.<\/p>\n<p>There are many ways to create a Kubernetes cluster but we will use Kubeadm. There are a total of 6 steps to create a Cluster:-<\/p>\n<p>Step 1) Create 3 Machines.<br \/>\nStep 2) Ensure all the 3 nodes can talk to each other.<br \/>\nStep 3) Install Docker, Kubelet, Kubectl, and Kubeadm packages.<br \/>\nStep 4) Initialize and Join the K8S cluster using Kubeadm.<br \/>\nStep 5) Install CNI (Weave) for Cluster DNS &amp; Pod Communication.<br \/>\nStep 6) Check Node and Pod status.<\/p>\n<p>Are you interested to get the step by step guide on How to create a three Node Kubernetes cluster, click on this link &#8211; <em><strong><a href=\"https:\/\/k21academy.com\/docker-kubernetes\/how-to-setup-a-three-node-kubernetes-cluster-for-cka-step-by-step\/?utm_source=onlineappsdba&amp;utm_medium=referral&amp;utm_campaign=kubernetes30_oct20\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/k21academy.com\/kubernetes30<\/a><\/strong><\/em><\/p>\n<p>This post covers:<br \/>\n&#8211; Prerequisites to setup the Cluster<br \/>\n&#8211; Installing Docker, Kubectl, and Kubeadm Packages<br \/>\n&#8211; Initializing the Kubernetes Cluster<br \/>\n&#8211; Join Worker Nodes to the Kubernetes Cluster<br \/>\n&#8211; Checking the status of Nodes &amp; Pods<\/p>\n<p><strong>Click on the below image<\/strong>\u00a0to Register Our\u00a0<a href=\"https:\/\/k21academy.com\/free-masterclass-dockers-kubernetes-administrations-with-certifications\/?utm_source=onlineappsdba&amp;utm_medium=referral&amp;utm_campaign=kubernetes02_oct20\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>FREE Masterclass<\/strong><\/a>\u00a0on<strong>\u00a0CKA exam preparation now<\/strong>!<a href=\"https:\/\/k21academy.com\/free-masterclass-dockers-kubernetes-administrations-with-certifications\/?utm_source=onlineappsdba&amp;utm_medium=referral&amp;utm_campaign=kubernetes02_nov20\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" src=\"https:\/\/1valoz20c7b3s41ocwkpz13z-wpengine.netdna-ssl.com\/wp-content\/uploads\/2020\/05\/DK_ContentUpgradeGIF-2.gif\" alt=\"Free Masterclass\" width=\"1076\" height=\"161\" \/><\/a><\/p>\n<p>Don&#8217;t forget to join our FREE Telegram group at<a href=\"https:\/\/t.me\/k21dockerkubernetes\" target=\"_blank\" rel=\"noopener noreferrer\"> https:\/\/t.me\/k21dockerkubernetes<\/a>, so you don&#8217;t miss out on Docker &amp; Kubernetes related latest news and updates.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Kubernetes Cluster is a group of nodes or machines running together. At the highest level of Kubernetes, there exist [&hellip;]<\/p>\n","protected":false},"author":115,"featured_media":15289,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[524],"tags":[],"class_list":["post-15288","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-docker-kubernetes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kubernetes Cluster | 3 node K8s cluster using Kubeadm | Kubeadm |<\/title>\n<meta name=\"description\" content=\"Kubernetes Cluster consists of a Master node and Worker nodes. 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