C-D-theory

🗓️ Class Task — 19 March: Kubernetes (Pods & Deployments)

Overview

In this class, we explored Kubernetes operations including viewing clusters, creating and managing pods, checking logs, and deploying scalable applications.

PART 1: View Clusters

Step 1: View Available Clusters

View Clusters

This screenshot shows how to check available Kubernetes clusters using kubectl.

PART 2: Working with Pods

Step 1: View Running Pods

View Pods

This shows the command to list all running pods in the cluster.

Step 2: Create Pod (Nginx)

Create Pod

This shows creation of a pod running an Nginx container.

Step 3: Describe Pod

Describe Pod

This shows detailed information about the created pod including status and events.

Step 4: Check Container Logs

Container Logs

This shows how to view logs of a running container inside the pod.

PART 3: Deployments & Scaling

Step 1: Create Deployment

Create Deployment

This shows creation of a Kubernetes deployment for managing pods.

Step 2: Scale Application

Scale Deployment

This shows scaling the deployment to multiple replicas.

Useful Commands

```bash

View clusters

kubectl config get-clusters

View pods

kubectl get pods

Create nginx pod

kubectl run nginx-pod –image=nginx

Describe pod

kubectl describe pod nginx-pod

View logs

kubectl logs nginx-pod

Create deployment

kubectl create deployment my-deploy –image=nginx

Scale deployment

kubectl scale deployment my-deploy –replicas=3