Certified Kubernetes Administrator (CKA) – Real World

سرفصل های دوره

Ace the Certified Kubernetes Administrator (CKA) Exam with Hands-On, Real-World Training

1. Cluster Architecture, Configuration, and Installation

1.1 httpsgithub.comAdminTurnedDevOpskubernetes-examples.html

1. Code Download.html

2. Intro

3. CKA vs CKAD

4. CKA vs KCNA

5. CKA vs CKS

6. Kubectl configuration (Kubeconfig)

7. Control Plane and Worker Node breakdown

8. API Server

9. Scheduler

10. Etcd

11. Controller Manager

12. Kubelet

13. Kube-proxy

14. Container Runtimes

15. CRI-O container runtime

16. Containerd runtime

17. How Kubernetes versioning works

18. Kubernetes DNS

19. Kubeadm intro

20. Kubeadm config on-prem

21. Intro to eBPF

22. Kubeadm config in Azure

23. Kubeadm config on AWS

24. Managed Kubernetes Services

25. Pods

26. Deployment Resource

27. DaemonSet

28. StatefulSet

29. Custom Resource Definitions

30. Controllers

31. Operators

32. Backing up before upgrading

33. Upgrading with Kubeadm

34. Authentication and Authorization (RBAC)

35. RBAC Configuration

36. Deployment Creation With Service Account

37. RBAC Verb List

38. OIDC

39. Kubectl Cheat Sheet

40. Adding more worker nodes

2. Workloads and Scheduling

1. Intro

2. Core API Group vs Named API Group

3. Imperative vs Declarative

4. Namespaces

5. Namespaces != Segregation and isolation

6. Canary Deployments

7. BlueGreen Deployments

8. Setting up Rolling Updates

9. Setting Up Canary Deployments

10. Setting up BlueGreen Deployments

11. Setting Up Rollbacks

12. ConfigMaps

13. Implementing ConfigMaps

14. Secrets

15. Implementing Secrets

16. Why Kubernetes Secrets are bad

17. Implementing third-party Secrets solution

18. Sidecar containers

19. Implementing a sidecar

20. Scaling Pods

21. Horizontal Pod Autoscaler

22. Vertical Pod Autoscaler

23. How self-healing works with Controllers

24. Constraints with limits, requests, and quotas

25. Pod Requests and Limits

26. Requests

27. ResourceQuotas

28. What happens when a worker node doesnt have enough resources

29. Kustomize for templating

30. Using Kustomize

31. Helm

32. Using Helm

33. Labels

34. Selectors

35. Node affinity

36.1 httpsgithub.comAdminTurnedDevOpskubernetes-examplestreemainmanuel scheduling.html

36. Manual scheduling

37. Taints and Tolerations

38. Static Pods (theory and hands-on)

39. Using SA for Pod deployments

3. Services and Networking

1. IP addressing theory for Pods

2. Container Network Interface (CNI)

3. Using cloud-centric CNIs

4. Using a beginner CNI (Weave and Flannel)

5. Using Cilium

6. Using Calico

7. Whats a Service

8. Services

9. LoadBalancer vs ClusterIP vs NodePort

10. ClusterIP

11. NodePort

12. LoadBalancer

13. Headless services

14. Using cloud networks in AWS and Azure

15. Using cloud networks in Azure

16. Using on-prem networks

17. What is Ingress

18. Using Nginx Ingress

19. Using Traefik Ingress

20. TLS in Kubernetes

21. cert-manager

22. Network Policies

23. Creating and using Network Policies

24. Annotations

4. Storage

1. Container Storage Interface (CSI)

2. Hard drives in Kubernetes (Volumes)

3. Storage classes

4. Persistent volumes

5. Volume reclaim policies and access modes

6. Persistent volume claims

7. Using PVCs in the cloud and on-prem (key differences)

8. Volume types

9. On-prem storage class using a NAS

10. Storage in Azure

11. Storage in AWS

12. Connecting Pods to volumes

13. Databases for Kubernetes

14. Using RDS

15. Using MySQL or Kubernetes

16. Connecting Pods to databases

5. Troubleshooting

1.1 httpskubernetes.iodocstasksdebugdebug-cluster.html

1. Logging options for cluster and worker nodes

2.1 httpswww.redhat.comsysadminkubernetes-troubleshooting.html

2. Logging options for pods and containers

3.1 httpslumigo.iokubernetes-troubleshooting.html

3. Pod vs container logging

4. Audit logging

5. Container logging (stderr and stdout)

6. Policy enforcement

7. Implementing OPA

8. Etcd backup and restore

9. Implementing backups For Kubernetes

10. Scaling clusters

11. Open source tools like Karpenter

12. Scaling in AWS

13. Scaling in Azure

14. Troubleshooting Kubeadm Configuration

15. Monitoring and observability

16. Using the Kubernetes Dashboard

17. The Grafana and Prometheus stack

18. Troubleshoot pod failure

19. Troubleshoot control planes and worker nodes

20. Cluster network and CNI troubleshooting

21. Troubleshoot on prem and cloud networks

22. Kubernetes security overview

23. Scanning images

6. The Real World CKA

1. Intro - Why Real-world

2. What you should know before using Kubernetes

3. Home lab if you have extra cash

4. Home lab if you want to keep costs low

5. Team configuration - whos on your team and what are they doing

6. Tool and system setup

7. CICD for cluster deployments

8. Deploying clusters with GitHub Actions

9. GitOps for resource deployments

10. Flux

11. GitOps

12. Deploying ArgoCD manually

13. Deploying ArgoCD with GitHub Actions

14. Kubecost and Cast.ai

15. Service mesh Intro

16. Implementing Istio

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