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Normalize case: Github -> GitHub (#13828)

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Danny Berger
2019-04-25 16:40:47 +00:00
committed by Kubernetes Prow Robot
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content/en/blog/_posts/2015-12-00-Creating-Raspberry-Pi-Cluster-Running.md
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@@ -12,7 +12,7 @@ Now you got your Raspberry Pi Cluster all setup, it is time to run some software
First step is to make sure every Pi has Hypriot running, if not yet please check the [getting started guide](http://blog.hypriot.com/getting-started-with-docker-on-your-arm-device/) of them. Also hook up the cluster switch to a network so that Internet is available and every Pi get an IP-address assigned via DHCP. Because we will be running multiple Pi’s it is practical to give each Pi a unique hostname. I renamed my Pi’s to rpi-master, rpi-node-1, rpi-node-2, etc for my convenience. Note that on Hypriot the hostname is set by editing the /boot/occidentalis.txt file, not the /etc/hostname. You could also set the hostname using the Hypriot flash tool.
The most important thing about running software on a Pi is the availability of an ARM distribution. Thanks to [Brendan Burns](https://twitter.com/brendandburns), there are Kubernetes components for ARM available in the [Google Cloud Registry](https://cloud.google.com/container-registry/docs/). That’s great. The second hurdle is how to install Kubernetes. There are two ways; directly on the system or in a Docker container. Although the container support has an experimental status, I choose to go for that because it makes it easier to install Kubernetes for you. Kubernetes requires several processes (etcd, flannel, kubectl, etc) to run on a node, which should be started in a specific order. To ease that, systemd services are made available to start the necessary processes in the right way. Also the systemd services make sure that Kubernetes is spun up when a node is (re)booted. To make the installation real easy I created an simple install script for the master node and the worker nodes. All is available at [Github](https://github.com/awassink/k8s-on-rpi). So let’s get started now!
The most important thing about running software on a Pi is the availability of an ARM distribution. Thanks to [Brendan Burns](https://twitter.com/brendandburns), there are Kubernetes components for ARM available in the [Google Cloud Registry](https://cloud.google.com/container-registry/docs/). That’s great. The second hurdle is how to install Kubernetes. There are two ways; directly on the system or in a Docker container. Although the container support has an experimental status, I choose to go for that because it makes it easier to install Kubernetes for you. Kubernetes requires several processes (etcd, flannel, kubectl, etc) to run on a node, which should be started in a specific order. To ease that, systemd services are made available to start the necessary processes in the right way. Also the systemd services make sure that Kubernetes is spun up when a node is (re)booted. To make the installation real easy I created an simple install script for the master node and the worker nodes. All is available at [GitHub](https://github.com/awassink/k8s-on-rpi). So let’s get started now!
### Installing the Kubernetes master node