Ayad knowledge base

$kubectl run httpd –image=httpd:alpine –port=80 –expose

$kubectl run custom-nginx –image=nginx –port=8080

$kubectl expose pod redis –port=6379 –name redis-service

Run the command to generate the definition file:

$kubectl run redis --image=redis:alpine --dry-run=client -oyaml > redis-pod.yaml

---
apiVersion: v1
kind: Pod
metadata:
  labels:
    tier: db
  name: redis
spec:
  containers:
  - image: redis:alpine
    name: redis
  dnsPolicy: ClusterFirst
  restartPolicy: Always

Then run the command: kubectl create -f redis-pod.yaml to create the pod from the definition file.

OR Use the imperative command: –

$kubectl run redis -l tier=db --image=redis:alpine

note: there is no space between – – in the below commands

$kubectl run – -image=nginx nginx

$kubectl create deployment – -image=nginx nginx

$kubectl expose deployment nginx – -port 80

$kubectl edit deployment nginx

$kubectl scale deployment nginx – -replicas=5

$kubectl set image deployment nginx nginx =nginx:1.18

kubeadm upgrade plan

kubectl get pod orange -o yaml > /root/orange.yaml

kubectl create namespace default-mem-example

kubectl get deployments.apps blue -o yaml > blue.yaml

kubectl get pods -o wide