Learn Devops The Complete Kubernetes

Kubernetes Introduction Preview 02:51

What is kubernetes, why would you use it, what benefits does it give you

Containers Introduction Preview 05:29

On Kubernetes you run containers. In this lecture you'll learn what containers are all about.

Kubernetes Setup Preview 02:10

Kubernetes can run almost anywhere. You can run it on-premise or in the cloud.

Local Setup with minikube Preview 01:20

This lectures explains what minikube is, a piece of software that can help you run kubernetes locally.

Demo: Minikube Preview 11:49

This demo shows you how to run Kubernetes using Minikube.

Installing Kubernetes using the Docker Client Preview 04:26

As an alternative to Minikube, you can install kubernetes using the official docker client for Mac / Windows

Minikube vs Docker Client vs Kops vs Kubeadm Preview 01:55

The difference between Minikube vs Docker client vs Kops vs Kubeadm: which one to use when

Introduction to Kops Preview 01:43

An introduction to Kops - Kubernetes Operations. Software to provision and manage Kubernetes on AWS.

Demo: Preparing kops install Preview 03:02

Kops only works on Mac / Linux, so you'll need to setup a vagrant box to run kops. If you are running already MacOS or Linux, and you don't want to be working in a VM, you can skip this step.

Demo: Preparing AWS for kops install Preview 08:55

You first need to open an AWS account, add an IAM user for kops and setup DNS using route53

Demo: DNS Troubleshooting (Optional) Preview 05:57

The DNS settings need to be correct for your kubernetes cluster to work. Follow this lecture if you have issues with your DNS settings.

Demo: Cluster setup on AWS using kops Preview 10:37

Once the AWS setup is complete, you can use kops to setup the Kubernetes cluster on AWS

Building docker images Preview 06:20

Kubernetes only runs containers. In this lecture you learn how to build your application in a container.

Demo: Building docker images Preview 05:02

In this demo I show you how to build a NodeJS example app in a container.

Docker Image Registry Preview 03:03

Once you have built a container, you need to put it on a registry, so Kubernetes can download it. You have public and private registries. Putting a container on a public registry is free.

Demo: Pushing Docker Image Preview 03:09

In this demo I show you how to push the container with our app to Docker Hub

Running first app on Kubernetes Preview 04:17

THis lecture explains how to run a first application on Kubernetes

Demo: Running first app on Kubernetes Preview 05:10

Once the first app is available on Docker Hub, I show you how to run this app on our Kubernetes cluster

Demo: Useful commands Preview 03:28

In this demo I show you some useful commands you can use to manage your containers on Kubernetes

Service with LoadBalancer Preview 02:22

If you're running your cluster on AWS, you can create a LoadBalancer (AWS ELB) for your application

Demo: Service with AWS ELB LoadBalancer Preview 04:56

In this demo I show you how to add an ELB (Elastic Load Balancer) to the example app

Recap: introduction to Kubernetes Preview 06:14

In this lecture I recap the most important concepts from the first section

Practice test

Now that we have covered quite some ground, let's do a practice test

Node Architecture Preview 04:37

In this lecture I explain the Kubernetes node architecture

Replication Controller Preview 05:09

You can use the replication controller to spin up multiple instances of your application

Demo: Replication Controller Preview 05:08

This demo shows you how to spin up multiple instances of your application

Deployments Preview 06:15

Deployment objects allow a better abstraction of an application running on Kubernetes. You can update your application version easily and roll-back if something goes wrong.

Demo: Deployments Preview 08:33

In this demo I show you how our example application can be a deployment.

Services Preview 04:02

Exposing our application for external traffic can be done using services

Demo: Services Preview 04:33

In this demo I show you how to expose our example app

Labels Preview 03:15

Labels can be used to tag objects

Demo: NodeSelector using Labels Preview 03:12

Labels together with NodeSelectors can be used to run pods on a specific node

Healthchecks Preview 02:17

Healthchecks can be used to periodically check whether our app in the pod is still working

Demo: Healthchecks Preview 03:01

In this demo I show you how to use healthchecks

Readiness Probe Preview 00:55

Demo: Liveness and Readiness probe Preview 03:09

Pod State Preview 03:29

Pod Lifecycle Preview 03:21

Demo: Pod Lifecycle Preview 05:27

Secrets Preview 06:59

Application credentials (for instance to access a database) can be stored in secrets.

Demo: Credentials using Volumes Preview 03:48

Credentials can be mounted as a volume in a pod. This demo shows you how to do that.

Demo: Running Wordpress on Kubernetes Preview 09:30

First attempt to run a wordpress on Kubernetes. In a later version I'll show you a better way of running Wordpress on Kubernetes

WebUI Preview 01:23

Kubernetes also has a Web UI, a dashboard that makes it easy to use kubernetes

Demo: Web UI in Kops Preview 03:36

Demo explaining how to add the web UI in kops

Demo: WebUI Preview 02:43

In this brief demo I give an overview how to use the dashboard

Practice test II

Service Discovery Preview 05:59

You can do service discovery using DNS.

Demo: Service Discovery Preview 08:41

This is a demo showing you how service discovery works

ConfigMap Preview 04:00

Containers are immutable. You can still use ConfigMaps for dynamic configuration data that needs to be present on the container.

Demo: ConfigMap Preview 05:12

In this demo I show you how to use ConfigMap to create a custom configuration file for a standard nginx container

Ingress Controller Preview 03:18

Ingress controller allows you to have a reverse proxy / load balancer within your Kubernetes cluster and without using an external load balancer.

Demo: Ingress Controller Preview 05:42

In this demo I show you how to use the built-in kubernetes ingress controller

External DNS Preview 03:37

Demo: External DNS Preview 05:33

Volumes Preview 05:36

If you want to run stateful applications on Kubernetes, you need volumes.

Demo: Volumes Preview 06:12

In this demo I show you how to use volumes in Kubernetes

Volumes Autoprovisioning Preview 03:15

Kubernetes can auto-provision volumes for you, no need to manually create an EBS volume on AWS

Demo: Wordpress With Volumes Preview 15:24

Now we know enough to use volumes to launch a fully working wordpress

Pod Presets Preview 02:45

Demo: Pod Presets Preview 05:27

StatefulSets Preview 03:25

Pet Sets enables you to run distributed applications and databases on Kubernetes, like ElasticSearch, MySQL Cluster, or Cassandra

Demo: StatefulSets Preview 08:20

In this demo I show you how to use StatefulSets with Cassandra

Daemon Sets Preview 01:57

Daemon Sets will make sure a pod is running on every node

Resource Usage Monitoring Preview 03:04

Resource Usage Monitoring using influxdb and grafana will give you application metrics

Demo: Resource Monitoring using Metrics Server Preview 04:17

Starting from 1.11 Heapster will be deprecated. The replacement is the Metrics Server. This lecture explains the difference with heapster and how to install the Metrics Service.

Demo: Resource Usage Monitoring Preview 05:14

This demo explains how to setup Resource Usage Monitoring using heapster + influxdb + grafana

Autoscaling Preview 04:13

Autoscaling can scale pods horizontally based on predefined targets

Demo: Autoscaling Preview 04:24

In this demo I show you how horizontal pod autoscaling (hpa) works

Affinity / Anti-Affinity Preview 06:40

This lectures explains what Node and Interpod Affinity / Anti-affinity is and what the difference is between node affinity and the NodeSelector

Demo: Affinity / Anti-Affinity Preview 05:44

This is a demo showing how Node Affinity works

Interpod Affinity and Anti-affinity Preview 06:47

Demo: Interpod Affinity Preview 03:32

Demo: Interpod Anti-Affinity Preview 04:44

Taints and Tolerations Preview 08:20

This lecture explains taints and tolerations, which is the opposite of node affinity

Demo: Taints and Tolerations Preview 05:17

Custom Resource Definitions (CRDs) Preview 02:11

This explains what Custom Resource Definitions are

Operators Preview 03:12

Demo: postgresql-operator Preview 12:23

Quiz

The Kubernetes Master Services Preview 03:00

This lectures gives an architecture overview of the master services

Resource Quotas Preview 05:17

As an administrator, you can implement resource quotas to make sure one team or one person doesn't take up all resources

Namespaces Preview 03:28

Namespaces can logically separate a Kubernetes cluster

Demo: Namespace quotas Preview 05:55

In this demo I explain how to implement namespace quotas

User Management Preview 03:43

Users can be added to your Kubernetes cluster. This lecture explains authentication and authorization

Demo: Adding Users Preview 03:16

In this demo I show you how to add users using certificates

RBAC Preview 04:18

This lecture explains authorization in Kubernetes using RBAC

Demo: RBAC Preview 06:54

Networking Preview 05:33

Every pod needs a unique IP. Not all infrastructure can easily handle this. CNI and overlay networks can help.

Node Maintenance Preview 01:59

Sometimes you want to add / remove nodes. This is how it is done

Demo: Node Maintenance Preview 01:23

This demo shows how to drain a Kubernetes node

High Availability Preview 02:35

Once you put a Kubernetes cluster in production, you are going to want to have full high availability. This lecture explains you how to achieve that.

Demo: High Availability Preview 02:36

This demo shows how to enable HA on your AWS Kubernetes cluster using kops

TLS on ELB using Annotations Preview 05:35

Demo: TLS on ELB Preview 08:56

Admission Controllers Preview 07:15

This lecture describes what admission controllers are in Kubernetes. It also explains what the admission controllers that are enabled by default do.

MutatingWebhook and ValidatingWebhook Preview 05:21

Introduction to the MutatingWebhook and ValidatingWebhook

Demo: Mutatingwebhook (part I) Preview 07:53

This demo shows you how the MutatingWebhook works. For the webhook itself, we're using Golang.

Demo: Mutatingwebhook (part II) Preview 12:19

This demo shows you how the MutatingWebhook works. For the webhook itself, we're using Golang.

Demo: MutatingWebhook (part III) Preview 09:21

This demo shows you how the MutatingWebhook works. For the webhook itself, we're using Golang.

Pod Security Policies Preview 02:26

Pod Security Policies allow you to fine-grain control pod security.

Demo: Pod Security Policies Preview 13:01

etcd Preview 03:02

etcd is the backend of Kubernetes. This lecture explains what etcd is.

The Raft Consensus Algorithm Preview 09:12

Etcd uses the raft consensus algorithm. This lecture explains how raft works.

Demo: etcd Backup & Restore Preview 19:41

This demo shows how to backup and restore an etcd cluster when using kops

Introduction to Helm Preview 03:58

Demo: Helm Preview 08:23

Creating your own Helm Charts Preview 02:03

Demo: Creating your own Helm Charts Preview 07:04

Demo: nodejs app Helm Chart Preview 13:15

Demo: Setting up a Helm Repository on S3 Preview 05:55

Demo: Building and Deploying Helm Charts with Jenkins Preview 13:19

Introduction to Skaffold Preview 03:55

Continuous deployment with skaffold, an open source tool by Google

Demo: Skaffold Preview 08:45

A demo showing how you can develop a golang application in vscode and have every change deployed almost instantly to your  Kubernetes cluster

Introduction to Flux Preview 04:12

Lecture to give an introduction to Flux and GitOps

Demo: setting up flux Preview 10:27

Demo to show how to setup flux, link it to a git repository, and deploy manifests from git to a Kubernetes cluster

Introduction to Serverless Preview 05:44

Introduction to Kubeless Preview 02:22

Demo: Creating Functions with Kubeless Preview 13:05

Demo: Triggering Kubeless Functions with Kafka Preview 08:07

Introduction to Istio Preview 07:30

Demo: Istio Installation Preview 06:08

Demo: An Istio enabled app Preview 10:36

Demo: Advanced routing with Istio Preview 06:46

Demo: Canary Deployments Preview 03:36

Demo: Retries Preview 08:05

Mutual TLS Preview 03:58

Demo: Mutual TLS Preview 11:11

RBAC with Istio Preview 05:17

Demo: RBAC with Istio Preview 09:21

End-user authentication with istio (JWT) Preview 10:26

Demo: End-user authentication with istio (JWT) Preview 11:29

Demo: Istio Egress traffic Preview 04:02

Demo: Distributed Tracing with Jaeger Preview 07:43

Istio's Grafana Metrics Preview 04:34

Introduction to kubeadm Preview 04:31

Installing Kubernetes using kubeadm on DigitalOcean

Demo: kubeadm (part I) Preview 05:14

Demo of installing kubernetes using kubeadm on DigitalOcean

Demo: kubeadm (part II) Preview 10:12

Demo of installing kubernetes using kubeadm on DigitalOcean

Introduction to EKS Preview 03:18

A managed kubernetes cluster can be setup using AWS EKS. This lecture gives an introduction to EKS

Demo: EKS setup using eksctl Preview 11:46

In this demo I show you how to setup a managed kubernetes cluster using the eksctl tool

IAM Roles for ServiceAccounts Preview 03:59

IAM Roles for ServiceAccounts enable you to attach roles to pods using ServiceAccounts.

Demo: IAM Roles for ServiceAccounts Preview 09:49

A demo showing you how to setup an EKS cluster with IAM Roles for ServiceAccounts

Managing TLS Certs with Cert-Manager Preview 06:24

Demo: Cert-Manager (Part I) Preview 05:29

In this lecture I show you how to use the cert-manager with let's encrypt to retrieve and auto-renew your own TLS certificates

Demo: Cert-Manager (Part II) Preview 15:25

In this lecture I show you how to use the cert-manager with let's encrypt to retrieve and auto-renew your own TLS certificates

Congratulations Preview 00:39

Bonus Lecture: Advanced Kubernetes Usage Course Preview 03:35

Once you finished this course, it's time for the next one! The Advanced Kubernetes Usage course covers a lot more Kubernetes topics.