Merge pull request #151 from jhirvioja/master

Update material

data/faq.md

@@ -15,7 +15,7 @@ As this course was written by a developer it offers an introduction into Kuberne
 
 ### Google Cloud Credits?
 
-Eeveryone starting with Google Cloud has \$300 worth of free credits.
+Everyone starting with Google Cloud has \$300 worth of free credits.
 
 If you have used all \$300 credits there is nothing we can do. You can complete parts 1-2 and most likely 4-5, but part 3 is required to complete the course with higher grades
 You may also use another cloud provider but we can not provide any help in that case.
@@ -32,9 +32,7 @@ Please identify the certificate if you wish to talk or ask about non-DwK certifi
 
 In writing this course I first and foremost used the Kubernetes documentation. They have excellent tutorials: <https://kubernetes.io/docs/tutorials/>. As the documentation can get only so far, if I had difficulties grasping a concept I used the [Kubernetes in Action](https://www.manning.com/books/kubernetes-in-action) book as well as various Google searches.
 
-You can get Kubernetes Up and Running for free [from Microsoft](https://azure.microsoft.com/en-us/resources/kubernetes-up-and-running/) or [from VMWare](https://k8s.vmware.com/kubernetes-up-and-running/).
-
-I personally had a hobby cluster in [Hetzner](https://www.hetzner.com/) that I setup with [kubespray](https://github.com/kubernetes-sigs/kubespray) that was running multiple videogame servers. I was then running [k3s](https://github.com/rancher/k3s) there with knative and some applications there for fun. I highly recommend doing something similar on your free time.
+I personally had a hobby cluster in [Hetzner](https://www.hetzner.com/) that I setup with [Kubespray](https://github.com/kubernetes-sigs/kubespray) that was running multiple videogame servers. I was then running [k3s](https://github.com/rancher/k3s) there with [Knative](https://knative.dev/) and some applications there for fun. I highly recommend doing something similar on your free time.
 
 ### How to get the DwK certificate?
 

data/part-1/1-first-deploy.md

@@ -217,7 +217,7 @@ $ kubectl get deployments
 To see the output we can run `kubectl logs -f hashgenerator-dep-6965c5c7-2pkxc`
 
 <text-box name="Automatic completion" variant="hint">
-You can use `source <(kubectl completion bash)` to save yourself from a lot of headaches. Add it to .bashrc for an automatic load. (Also available for zsh). If you've never used completion read this <a href="https://iridakos.com/programming/2018/03/01/bash-programmable-completion-tutorial"> tutorial </a>
+You can use `source <(kubectl completion bash)` to save yourself from a lot of headaches. Add it to .bashrc for an automatic load. (Also available for zsh with `source <(kubectl completion zsh)`). If you've never used completion read this <a href="https://iridakos.com/programming/2018/03/01/bash-programmable-completion-tutorial">tutorial</a>. More information about the kubectl completion command can be found <a href="https://kubernetes.io/docs/reference/kubectl/generated/kubectl_completion/">here</a>.
 </text-box>
 
 A helpful list for other commands from docker-cli translated to kubectl is available here [https://kubernetes.io/docs/reference/kubectl/docker-cli-to-kubectl/](https://kubernetes.io/docs/reference/kubectl/docker-cli-to-kubectl/)

data/part-1/4-introduction-to-storage.md

@@ -201,8 +201,6 @@ If you are interested in learning more about running your own storage you can ch
 
 * [OpenEBS](https://openebs.io/)
 
-* [StorageOS](https://storageos.com/)
-
 * [Longhorn](https://longhorn.io/)
 
 <exercise name='Exercise 1.11: Persisting data'>

data/part-2/1-networking-between-pods.md

@@ -45,7 +45,7 @@ Sometimes, the best way to debug is to manually test what is going on. You can j
 
 Let us start a busybox pod by applying the following yaml:
 
-**pod_for_debugging.yaml**
+**podfordebugging.yaml**
 
 ```yaml
 apiVersion: v1
@@ -76,7 +76,7 @@ We used the [wget](https://www.gnu.org/software/wget/) command since our usual t
 We can also open a shell to the pod with command [kubectl exec](https://kubernetes.io/docs/tasks/debug/debug-application/get-shell-running-container/) to run several commands:
 
 ```yaml
-$ kubectl exec -it my-busybox sh
+$ kubectl exec -it my-busybox -- sh
 / # wget -qO - http://todo-backend-svc:2345
 <html>
    <body>