# Kubernetes Training

Welcome to the Kubernetes class. This notes contain a lot of supporting material from public sources that I feel will improve your understanding of Kubernetes and the corresponding tools.

## Book

https://www.redhat.com/cms/managed-files/cm-oreilly-kubernetes-patterns-ebook-f19824-201910-en.pdf

## Preparing for CKAD

https://github.com/dgkanatsios/CKAD-exercises
https://www.cncf.io/announcements/2021/06/02/linux-foundation-kubernetes-certifications-now-include-exam-simulator/

## Docker

https://www.docker.com/sites/default/files/d8/2019-09/docker-cheat-sheet.pdf

## kubectl

https://v1-20.docs.kubernetes.io/docs/reference/kubectl/cheatsheet/
https://theithollow.com/2020/01/21/active-directory-authentication-for-kubernetes-clusters/
https://computingforgeeks.com/active-directory-authentication-for-kubernetes-kubectl/

## Installation

https://github.com/kelseyhightower/kubernetes-the-hard-way
https://docs.google.com/presentation/d/1Gp-2blk5WExI_QR59EUZdwfO2BWLJqa626mK2ej-huo/

## Networking

https://www.youtube.com/watch?v=7LRtytR6ZbA
https://www.youtube.com/watch?v=NFApeJRXos4
https://medium.com/google-cloud/understanding-kubernetes-networking-pods-7117dd28727
https://github.com/ahmetb/kubernetes-network-policy-recipes/
https://www.youtube.com/watch?v=tq9ng_Nz9j8
https://aws.amazon.com/de/blogs/containers/optimize-ip-addresses-usage-by-pods-in-your-amazon-eks-cluster/

## Troubleshooting Kubernetes

https://kubernetes.io/docs/tasks/debug-application-cluster/debug-application/
https://kubernetes.io/docs/tasks/debug-application-cluster/debug-running-pod/
https://kubernetes.io/docs/tasks/debug-application-cluster/debug-service/
https://kubernetes.io/docs/tasks/debug-application-cluster/debug-cluster/

## Helm

https://phoenixnap.com/kb/helm-commands-cheat-sheet
https://tech.paulcz.net/blog/creating-a-helm-chart-monorepo-part-1/
https://static.sched.com/hosted_files/kccnceu20/ee/Helm-Deep-Dive-KubeCon-2020.pdf
https://helm.sh/docs/chart_best_practices/dependencies/#conditions-and-tags
https://github.com/thomastaylor312/advanced-helm-demos

## Kustomize
https://blog.stack-labs.com/code/kustomize-101/
https://youtu.be/1fCAwFGX38U
https://kubernetes.io/docs/tasks/manage-kubernetes-objects/kustomization/
https://www.youtube.com/watch?v=Rq44PY-xj9M

## Flux
https://www.youtube.com/watch?v=nGLpUCPX8JE
https://github.com/fluxcd/flux2-kustomize-helm-example

## Kubeseal
https://www.youtube.com/watch?v=ShGHCpUMdOg

## etcd

https://monzo.com/blog/2017/11/29/very-robust-etcd
https://coreos.com/blog/etcd-3.2-announcement
https://coreos.com/blog/announcing-etcd-3.3
https://coreos.com/blog/history-etcd
https://www.slideshare.net/mitakeh/understanding-performance-aspects-of-etcd-and-raft

## Audit

https://www.youtube.com/watch?v=WJ3w-hyt0hY

## Cost Management

https://www.finops.org/projects/calculating-container-costs/
https://jaxenter.com/kubernetes-cost-management-176429.html
https://harness.io/blog/kubernetes-cost-analysis/?WT.mc_id=ravikirans

## History

https://kubernetes.io/blog/2015/04/borg-predecessor-to-kubernetes/
https://storage.googleapis.com/pub-tools-public-publication-data/pdf/43438.pdf
https://storage.googleapis.com/pub-tools-public-publication-data/pdf/5bf4ebfbf98ead7f6ee1552860fab88e75a5ed7e.pdf

## Service Mesh

### istio

https://istio.io/latest/blog/2020/multiple-control-planes/

### Envoy

https://www.youtube.com/watch?v=gQF23Vw0keg
https://de.slideshare.net/InfoQ/lyfts-envoy-embracing-a-service-mesh

## Extending Kubernetes

### CRDs

https://www.oreilly.com/library/view/programming-kubernetes/9781492047094/ch01.html
https://book-v1.book.kubebuilder.io

### Admission Controllers

https://kubernetes.io/blog/2019/03/21/a-guide-to-kubernetes-admission-controllers/

### Custom Scheduler

https://kubernetes.io/docs/concepts/scheduling-eviction/scheduling-framework/
https://kubernetes.io/docs/reference/scheduling/policies/
https://www.youtube.com/watch?v=4TaHQgG9wEg
https://blog.heptio.com/core-kubernetes-jazz-improv-over-orchestration-a7903ea92ca

## Other Stuff

### KubeCon 2019 Sessions

https://www.youtube.com/playlist?list=PLj6h78yzYM2PpmMAnvpvsnR4c27wJePh3

### Lambda

https://aws.amazon.com/blogs/compute/introducing-aws-lambda-destinations/
https://www.refinery.io/post/how-to-chain-serverless-functions-call-invoke-a-lambda-from-another-lambda
https://www.youtube.com/watch?v=Jkx6kVbDpL4

### Microservices

https://samnewman.io/talks/principles-of-microservices/
https://martinfowler.com/articles/microservices.html
https://martinfowler.com/bliki/BoundedContext.html
https://martinfowler.com/bliki/CQRS.html
https://martinfowler.com/bliki/DomainDrivenDesign.html

### Resiliency

https://www.youtube.com/watch?v=Fup5vHEvU50
https://github.com/bbc/chaos-lambda

### DevOps

https://www.youtube.com/watch?v=LdOe18KhtT4
https://www.kitchensoap.com/2010/11/07/mttr-mtbf-for-most-types-of-f/

### Organization

https://www.youtube.com/watch?v=4GK1NDTWbkY

### InnerSource

https://www.youtube.com/watch?v=r4QU1WJn9f8
https://www.youtube.com/watch?v=D3C12ojRcp0
Give back to the OpenSource community by being part of it!

### Incident & Problem Management

https://community.monzo.com/t/resolved-current-account-payments-may-fail-major-outage-27-10-2017/26296/95
https://monzo.statuspage.io