What are some useful kubectl commands?

What are some useful kubectl commands I should know?

Here are some essential kubectl commands:

1. kubectl get pods - Lists all pods in the current namespace.
2. kubectl describe pod <pod-name> - Shows detailed information about a specific pod.
3. kubectl apply -f <file.yaml> - Applies a configuration from a YAML file.
4. kubectl delete pod <pod-name> - Deletes a specific pod.
5. kubectl logs <pod-name> - Fetches logs from a specific pod.

Can you explain what kubectl apply does?

kubectl apply is used to create or update resources in your Kubernetes cluster based on the configuration specified in a YAML or JSON file. It ensures that the current state of the resource matches the desired state defined in the file.

What does kubectl get services do?

kubectl get services lists all the services in the current namespace, showing their names, types, cluster IPs, and ports.

How can I get more information about a specific service?

You can use kubectl describe service <service-name> to get detailed information about a specific service, including its endpoints and configuration.