https://github.com/nayan32biswas/kubernetes-tutorial

https://github.com/nayan32biswas/kubernetes-tutorial

Last synced: 9 days ago
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• Host: GitHub
• URL: https://github.com/nayan32biswas/kubernetes-tutorial
• Owner: nayan32biswas
• Created: 2023-10-18T14:28:29.000Z (about 1 year ago)
• Default Branch: main
• Last Pushed: 2023-10-19T16:46:51.000Z (about 1 year ago)
• Last Synced: 2023-10-19T17:44:10.407Z (about 1 year ago)
• Language: Shell
• Size: 2.93 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.MD

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README

        
# Kubernetes Examples

## Configuration

### Start the app

- `minikube start`

- `kubectl apply -f infra/`

- `kubectl get all` Make sure everything running.

- `kubectl get ingress mongodb-ingress` Get `IP_ADDRESS` address of running ingress.

- `sudo vi /etc/hosts` Add ` localhost-app.com` in the end of the file.

- [Visit the app](http://localhost-dashboard.com)

**User:** `admin` **Pass:** `pass`

### Start Kubernetes Dashboard

- `minikube dashboard` Enable dashboard.

### Delete configuration

- `kubectl delete -f infra/`

## Basic command

### Minikube

- `minikube start`

- `minikube stop`

- `minikube addons enable ingress` Add default nginx-ingress. You can enable other implementation.

### kubectl get

- `kubectl get all`

- `kubectl get all | grep ` Get all configuration with a single command.

- `kubectl get pod`

- `kubectl get deployment`

- `kubectl get service`

- `kubectl get secret`

- `kubectl get configmap`

- `kubectl get ns`

- `kubectl get ingress`

### kubectl delete

- `kubectl delete pod`

- `kubectl delete deployment`

- `kubectl delete service`

- `kubectl delete secret`

- `kubectl delete configmap`

- `kubectl delete ns`

- `kubectl delete ingress`

### Secret

- `kubectl apply -f ./infra/mongo-secret.yaml` Create secret.

- `kubectl get secret` To see created secret.

- `kubectl apply -f ./infra/mongo-configmap.yaml` Create secret.

- `kubectl get configmap` To see created configmap.

### Deployment and Service

- `kubectl apply -f ./infra/mongo.yaml`

- `kubectl apply -f ./infra/mongo-express.yaml`

- `kubectl describe service mongodb-service` Get details of the create service. Note Endpoints IP.

- `kubectl get pod -o wide` Cross check if of the created pod and Endpoints IP of service.

### Namespace

- `kubectl create namespace custom-namespace`

- `kubectl delete namespace custom-namespace`

- `kubectl config set-context --current --namespace=custom-namespace` Set as default namespace.

- `kubectl get pod -n kube-public` get all pods within the namespace. this command also possible for deployment, service, etc.