Kubernetes

Deploy a simple pod with a specified image.

kubectl run mypod --image=nginx

View the status of all pods running in the current namespace.

kubectl get pods

Retrieve comprehensive information about a specific pod.

kubectl describe pod pod_name

Adjust the number of replicas for a deployment.

kubectl scale deployment myapp --replicas=3

Expose a service to make it accessible from outside the cluster.

kubectl expose deployment myapp --port=80 --type=LoadBalancer

Roll out a new image for a deployment.

kubectl set image deployment/myapp myapp-container=myapp:v2

Retrieve logs from a specific pod.

kubectl logs pod_name

Terminate and delete a specific pod.

kubectl delete pod pod_name

View details of all services running in the current namespace.

kubectl get services

Retrieve comprehensive information about a specific service.

kubectl describe service service_name

Delete a specific service.

kubectl delete service service_name

Create a config map to store configuration data.

kubectl create configmap config-map-name --from-file=path/to/config/files

Create a secret to store sensitive information.

kubectl create secret generic secret-name --from-literal=key=value

View information about all nodes in the Kubernetes cluster.

kubectl get nodes

Establish a new namespace for organizing resources.

kubectl create namespace my-namespace