The Ultimate Kubernetes Administrator Course

  0 - Introduction and Course Overview

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• 0 - Tell us about you :) Start
• 1 - Introduction and Course Overview (9:59) Preview
• 2 - Gitlab Repository for the course Start
• 3 - Join Course Community Start
• 4 - Before you get started Start

  1 - Kubernetes Core Concepts

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• 1.1 - Introduction to Kubernetes (2:51) Start
• 1.2 - Main Kubernetes Components (19:11) Start
• 1.3 - Kubernetes Architecture (Control Plane and Worker Nodes) (12:48) Start
• 1.4 - Manage Kubernetes Resources - kubectl and config file (4:56) Start
• 1.5 - K8s Configuration File (4:33) Start
• 1.6 - Pre-Requisite: YAML Basics (16:49) Start

  2 - Build Kubernetes Cluster from Scratch

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• 2.1 - Section Introduction and Background Story (3:33) Start
• 2.2 - Pre-Requisite: AWS Basics (20:17) Start
• 2.AWS Cost Savings Tips Start
• 2.3 - Provision Infrastructure on AWS (10:52) Start
• 2.4 - Pre-Requisite: TLS Certificates (12:12) Start
• 2.5 - Kubernetes Cluster Installation Steps (11:38) Start
• 2.6 - Configure K8s Nodes (13:57) Start
• 2.7 - Container Runtime Interface (5:46) Start
• 2.8 - Install Container Runtime (Containerd) (16:03) Start
• 2.9 - Install kubeadm, kubelet and kubectl (11:23) Start
• 2.10 - Initialize Cluster with kubeadm (12:06) Start
• 2.11 - Connect to cluster (kubeconfig & kubectl) (9:16) Start
• 2.12 - Organize Resources with Namespaces (9:49) (9:45) Start
• 2.13 - kube-system namespace (3:27) Start
• 2.14 - Pre-Requisite: Networking Basics (16:11) Start
• 2.15 - Networking in K8s - Overview (2:03) (1:53) Start
• 2.16 - Container Communication (6:36) Start
• 2.17 - Container Network Interface - CNI (8:56) Start
• 2.18 - Configure Network Plugin - Cilium (8:24) Start
• 2.19 - Join Worker Nodes to cluster (17:31) Start

  3 - Deployment, Services & DNS in Kubernetes (Deploy Applications)

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• 3.1 - Section Overview (1:17) Start
• 3.2 - Deploy nginx (4:37) Start
• 3.3 - Create nginx Service (16:11) Start
• 3.4 - Labelling Components (8:42) Start
• 3.5 - Scaling Deployments & Record Kubectl Commands (5:50) Start
• 3.6 - Connect to nginx Pod (5:03) Start
• 3.7 - Why DNS? (1:28) Start
• 3.8 - Pre-Requisite: Domain Name System (DNS) (9:33) Start
• 3.9 - DNS in Kubernetes (15:39) Start
• 3.10 - Configure Service IP Address (6:59) (6:49) Start
• 3.11 - Pro Tip for kubectl (9:17) Start

  4 - External Services & Ingress Controller (Access from Outside)

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• 4.1 - Section Overview (0:46) Start
• 4.2 - NodePort (5:13) Start
• 4.3 - Loadbalancer (11:00) Start
• 4.4 - Ingress (16:58) Start
• 4.5 - Setup Ingress - Overview (1:18) Start
• 4.6 - Helm - Package Manager (12:58) Start
• 4.7 - Deploy Ingress Controller (5:55) Start
• 4.8 - Configure Routing (12:02) Start

  5 - Control Access with Users & Permissions

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• 5.1 - Section Introduction (0:33) Start
• 5.2 - Authorization with Role Based Access Control (RBAC) (15:45) Start
• 5.3 - Other Authorization Modes (1:26) Start
• 5.4 - Certificates in Kubernetes (2:42) Start
• 5.5 - Certificates API (2:27) Start
• 5.6 - Demo Overview - Users & Permissions (2:57) Start
• 5.7 - Create User Account (11:10) Start
• 5.8 - Connect to Cluster with User (12:13) Start
• 5.9 - Give User Permission - ClusterRole (14:12) Start
• 5.10 - Create ServiceAccount & Permissions (17:06) Start

  6 - Troubleshooting

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• 6.1 - Section Intro (1:27) Start
• 6.2 - Troubleshoot Applications (2:04) Start
• 6.3 - Debug with temporary Pods (17:58) Start
• 6.4 - Kubectl Format Output (11:43) Start
• 6.5 - Troubleshoot Kubelet and Kubectl Issues (8:49) Start

  7 - Multi Container Pods

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• 7.1 - Section Introduction (1:05) (1:05) Start
• 7.2 - Sidecar and Init Containers (3:02) Start
• 7.3 - Demo: Deploy Sidecar and Init Container (8:46) Start
• 7.4 - Exposing Pod Information (6:52) Start

  8 - Persist Data in Kubernetes (Volumes)

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• 8.1 - Section Introduction (1:05) Start
• 8.2 - Persisting Data with Volumes - PV, PVC, SC (20:13) Start
• 8.3 - Configure HostPath Volume (17:36) Start
• 8.4 - Configure emptyDir Volume (6:26) Start

  9 - External Configuration with ConfigMap and Secret

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• 9.1 - Introduction to ConfigMap and Secret (1:06) Start
• 9.2 - Demo: Pass as Environment Variables (8:34) Start
• 9.3 - Demo: Pass as Volumes (12:15) Start

  10 - Resource Requests & Limits

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• 10.1 - Section Introduction (0:52) Start
• 10.2 - What are Resource Requests and Limits (1:30) Start
• 10.3 - Demo: Configure Resource Requests and LImits (6:40) Start

  11 - Scheduling Pods

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• 11.1 - Section Introduction (0:50) Start
• 11.2 - NodeName and Node Selector - Assigning Pods to Nodes (4:53) Start
• 11.3 - Node Affinity - Assigning Pods to Nodes (8:29) Start
• 11.4 - Taints & Tolerations (6:23) Start
• 11.5 - Inter-Pod Affinity (5:45) Start

  12 - Health Checks with Liveness and Readiness Probes

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• 12.1 - Section Introduction (1:04) Start
• 12.2 - What are Liveness and Readiness Probes (4:36) Start
• 12.3 - Configure Liveness and Readiness Probes (3:49) Start

  13 - Deployment Strategies - Rolling Update

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• 13.1 - Section Introduction (1:29) Start
• 13.2 - What is a ReplicaSet (0:50) Start
• 13.3 - Deployment Update Strategies - Rolling Update (7:18) Start

  14 - ETCD Backup & Restore

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• 14.1 - Section Introduction (0:34) Start
• 14.2 - What etcd stores (1:42) Start
• 14.3 - Backing up etcd store (7:12) Start
• 14.4 - Alternatives to manage etcd (2:11) Start
• 14.5 - Restoring etcd (7:52) (7:27) Start

  15 - Kubernetes REST API

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• 15.1 - Section Introduction (0:42) Start
• 15.2 - Access REST API with kubectl proxy (3:20) Start
• 15.3 - Interacting with REST API (without kubectl proxy) (16:23) Start

  16 - Upgrade K8s Cluster

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• 16.1 - Section Introduction (0:40) Start
• 16.2 - How Cluster Upgrade works (11:16) Start
• 16.3 - Demo: Upgrade Cluster (15:58) Start
• Take a break and Leave us a Review :) Start

  17 - Manage multiple Clusters with Kube Contexts

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• 17.1 - Section Introduction (0:28) Start
• 17.2 - Working with multiple clusters using Kube Contexts (11:52) Start

  18 - Certificate Management in Kubernetes

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• 18.1 - Section Introduction (0:30) Start
• 18.2 - Check Certificate Expiration (5:48) Start
• 18.3 - Renew Certificates (2:35) Start

  19 - Secure Cluster - Control Traffic with Network Policies

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• 19.1 - Section Introduction (0:28) Start
• 19.2 - How Network Policies work (13:19) Start
• 19.3 - Configure Network Policies for Cluster (13:55) Start

  20 - CKA Exam Tips

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• 20.1 - Section Introduction (0:30) Start
• 20.2 - Exam Tips (8:56) Start
• 20.3 - Tips during exam (7:17) Start
• 20.4 - Practice with Mock Exams Start
• 20.5 - Official Exam Resources Start

  Congratulations :)

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• 1 - Congratulations! (0:52) Start
• 2 - Next Steps - Where You Go From Here Start