Here I will use cri-o which is a compliant runtime. You can still use docker, then install using sudo apt-get install docker.io We should use OCI compliant container runtime to pull and run OCI images, especially if you use Kubernetes services like GKE, EKS, or AKS. Docker produces images that are not an OCI (Open Container Initiative) image. From the release of Kubernetes 1.20, the container runtime interface (CRI) shim for Docker is being deprecated. The most commonly used runtime is Docker. Install kubectl v1.18.0-00 by the following command: $ sudo apt install -y kubectl=1.18.0-00 -allow-unauthenticated Install CRI-OĬRI-O is an OCI compliant container runtime interface (CRI). You can use kubectl to deploy applications, manage cluster resources, and view logs. It allows you to run commands in the Kubernetes clusters. Kubectl is the Kubernetes command-line tool. Note: you can find the specific version by the following command: $ curl -s | grep Version | awk '' Install Kubectl In this tutorial, we're going to install kubeadm version 1.18.0-00, type: $ sudo apt install -y kubeadm=1.18.0-00 -allow-unauthenticated Kubeadm is a tool that is a part of the Kubernetes project which helps to initialize the Kubernetes cluster. Here we are installing version 1.18 of Kubernetes and crio. Make sure to install the recommended and supported version.
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