Generating "front-proxy-client" certificate and key Generating "front-proxy-ca" certificate and key
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Generating "apiserver-kubelet-client" certificate and key apiserver serving cert is signed for DNS names and IPs Generating "apiserver" certificate and key Generating "apiserver-etcd-client" certificate and key etcd/peer serving cert is signed for DNS names and IPs Generating "etcd/peer" certificate and key Generating "etcd/healthcheck-client" certificate and key etcd/server serving cert is signed for DNS names and IPs Generating "etcd/server" certificate and key Using certificateDir folder "/etc/kubernetes/pki" Generating "etcd/ca" certificate and key You can also perform this action in beforehand using 'kubeadm config images pull' Writing kubelet environment file with flags to file "/var/lib/kubelet/kubeadm-flags.env" Writing kubelet configuration to file "/var/lib/kubelet/config.yaml" Activating the kubelet service This might take a minute or two, depending on the speed of your internet connection Pulling images required for setting up a Kubernetes cluster Step 1: Installing Docker as the container runtime Interface Follow only the ubuntu approach and follow the centos approach only when you have centos installed instead of ubuntu. As the name suggests, we will add the necessary configuration in the master machine to make it a Kubernetes master node, and connect the worker1 and worker2 to it. The VMs will be accessible from each other. For practice purposes, you can create 3 VMS in VirtualBox or you can create 3 VMs in the cloud. Let us assume that we have three Ubuntu Linux machines named master, worker1, and worker1 in the same network. We will consider building a Kubernetes setup with one master node and 2 worker nodes. We can use kubeadm for creating a production-grade Kubernetes environment. By design, it cares only about bootstrapping, not about provisioning machines. Kubeadm performs the actions necessary to get a minimum viable cluster up and running. We are going to use kubeadm.Īccording to the kubeadm source, Kubeadm is a tool built to provide kubeadm init and kubeadm join as best-practice “fast paths” for creating Kubernetes clusters. Kubernetes can be installed and set up step by step on your own or we can use multiple installation tools or stacks available.
Install kubernetes cluster multi master how to#
We will go into the detail of how to install Kubernetes using kubeadm.