Kubernetes for Linux System Administrators
Welcome to Kubernetes for Linux System Administrators, a practical course designed to help you move from traditional Linux environments to modern container orchestration with Kubernetes. You will learn Kubernetes architecture, Pods, Deployments, networking, storage, ConfigMaps, Secrets, and RBAC security. The course includes Minikube and kubeadm setups, troubleshooting, scaling, rolling updates, hands-on labs, quizzes, assignments, role plays, and a real-world deployment project to build practical production-level Kubernetes skills.
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Course Curriculum
Introduction
Course Overview
Introduction to Kubernetes
Why Docker alone is not enough
Kubernetes vs traditional Linux servers
Kubernetes vs systemd services
Introduction to Kubernetes Cluster
Kubernetes High-Level View vs Low-Level View
Introduction to Pod
Kubernetes terminology mapped to Linux concepts
Common myths & misconceptions
Preparing for Kubernetes Certification Exams
Quiz
Understanding and Explaining Kubernetes Basics
Control plane vs worker nodes
The Role of etcd in Kubernetes
API server & scheduler
Introduction to kubelet & kube-proxy
How Kubernetes makes decisions
How Kubernetes Is Practiced Locally (Minikube & kubeadm)
Introduction to YAML
Quiz
Understanding Kubernetes Architecture
Linux Prerequisites
Download and Install virtualization
VM setup with Linux CentOS installation
System Preparation for Containers
Installing Docker
Installing Minikube
Installing kubectl
Creating first cluster
Cluster Verification
Understanding kubeconfig
Access control basics
Create & destroy clusters
Quiz
Set Up a Local Kubernetes Lab Environment
System Preparation for kubeadm Cluster
Installing kubeadm
Initializing Control Plane and Pod Networking (CNI)
Joining Worker Nodes using kubeadm join
Deploying a Sample Application on the Cluster
Quiz
Build & Manage Production-Style Kubernetes Cluster
Pod Internals in Action
Containers Inside a Pod
Pod Lifecycle
Restart Policies Under Failure
Logs & Events Analysis
Break pods intentionally
Quiz
Understanding Pod Behavior and Internal Working
Deployments, ReplicaSets, and Desired State
Scaling Applications (scale out and scale in)
Rolling Updates (upgrade image safely)
Rollbacks (go back when something breaks)
Health Checks (Liveness + Readiness)
Resource Requests, Limits, and why pods get killed (OOMKilled)
Observe Scheduling Behavior
Break a Deployment, then Fix It (real troubleshooting loop)
Quiz
Kubernetes networking model
Pod-to-Pod communication
ClusterIP Service
NodePort Service
LoadBalancer Service
Quiz
Why containers are ephemeral
Volumes explained
Persistent Volumes (PV)
Persistent Volume Claims (PVC)
Using Persistent Storage in Pods (PV + PVC)
Storage Classes
Host Path vs dynamic provisioning
Quiz
ConfigMaps vs Secrets
Environment variables vs mounted configs
RBAC basics (Linux permission analogy)
ServiceAccounts
Quiz
Introduction to Docker Hub
Introduction to Podman
Final Project Deploy a Website on Kubernetes
Quiz
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