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Add basic scripts to configure kuberntes cluster

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# Kubernetes The Hard Way
This tutorial walks you through setting up Kubernetes the hard way. This guide is not for people looking for a fully automated command to bring up a Kubernetes cluster. If that's you then check out [Google Kubernetes Engine](https://cloud.google.com/kubernetes-engine), or the [Getting Started Guides](https://kubernetes.io/docs/setup).
This tutorial is partially based on [Kubernetes The Hard Way](https://github.com/kelseyhightower/kubernetes-the-hard-way).
Kubernetes The Hard Way is optimized for learning, which means taking the long route to ensure you understand each task required to bootstrap a Kubernetes cluster.
The main focus of this tutorial is to explain the necessity of Kubernetes components. That is why there is no need to configure multiple instances of each component and allow us to set up a single-node Kubernetes cluster. Of course, the cluster created can't be used as a production-ready Kubernetes cluster.
> The results of this tutorial should not be viewed as production ready, and may receive limited support from the community, but don't let that stop you from learning!
To configure the cluster mentioned, we will use Ubuntu server 20.04 (author uses the VM in Hetzner).
## Copyright
<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.
<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" /></a><br />This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a> (whatever it means).
# Labs
## Target Audience
The target audience for this tutorial is someone planning to support a production Kubernetes cluster and wants to understand how everything fits together.
## Cluster Details
Kubernetes The Hard Way guides you through bootstrapping a highly available Kubernetes cluster with end-to-end encryption between components and RBAC authentication.
* [kubernetes](https://github.com/kubernetes/kubernetes) v1.21.0
* [containerd](https://github.com/containerd/containerd) v1.4.4
* [coredns](https://github.com/coredns/coredns) v1.8.3
* [cni](https://github.com/containernetworking/cni) v0.9.1
* [etcd](https://github.com/etcd-io/etcd) v3.4.15
## Labs
This tutorial assumes you have access to the [Google Cloud Platform](https://cloud.google.com). While GCP is used for basic infrastructure requirements the lessons learned in this tutorial can be applied to other platforms.
* [Prerequisites](docs/01-prerequisites.md)
* [Installing the Client Tools](docs/02-client-tools.md)
* [Provisioning Compute Resources](docs/03-compute-resources.md)
* [Provisioning the CA and Generating TLS Certificates](docs/04-certificate-authority.md)
* [Generating Kubernetes Configuration Files for Authentication](docs/05-kubernetes-configuration-files.md)
* [Generating the Data Encryption Config and Key](docs/06-data-encryption-keys.md)
* [Bootstrapping the etcd Cluster](docs/07-bootstrapping-etcd.md)
* [Bootstrapping the Kubernetes Control Plane](docs/08-bootstrapping-kubernetes-controllers.md)
* [Bootstrapping the Kubernetes Worker Nodes](docs/09-bootstrapping-kubernetes-workers.md)
* [Configuring kubectl for Remote Access](docs/10-configuring-kubectl.md)
* [Provisioning Pod Network Routes](docs/11-pod-network-routes.md)
* [Deploying the DNS Cluster Add-on](docs/12-dns-addon.md)
* [Smoke Test](docs/13-smoke-test.md)
* [Cleaning Up](docs/14-cleanup.md)
* [Cluster architecture](./docs/00-kubernetes-architecture.md)
* [Container runtime](./docs/01-container-runtime.md)
* [Kubelet](./docs/02-kubelet.md)
* [Pod networking](./docs/03-pod-networking.md)
* [ETCD](./docs/04-etcd.md)
* [Api Server](./docs/05-apiserver.md)
* [Apiserver - Kubelet integration](./docs/06-apiserver-kubelet.md)
* [Controller manager](./docs/07-controller-manager.md)
* [Scheduler](./docs/08-scheduler.md)
* [Kube proxy](./docs/09-kubeproxy.md)
* [DNS in Kubernetes](./docs/10-dns.md)