Kubernetes

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To get all pods in all namespaces

kubectl get pods --all-namespaces

To get all pods in a particular namespace

kubectl get pods -n <namespaces>

To get details about pod.

kubectl describe pod <pod name>

This will also be useful in case logs are not getting generated due to container start-up failure.

To get logs of a single pod container.

kubectl logs <pod name> -f

flag -f will keep the screen updated with new logs.

To delete a pod

kubectl delete pod <podname>

pod deleted like this will be re-created automatically by kubernetes.

To get all services

kubectl get svc

To get all deployments

kubectl get deployments

To edit existing deployment

kubectl edit deploy <deploy name>

To create a new deployment from file

kubectl create -f <deploy yml file>

To delete a deployment using file.

kubectl delete -f <deploy yml file>

To ssh into pod with single container

kubectl exec -it <pod name> bash

To ssh into one of the container in a pod with multiple container

kubectl exec -it <pod name> -c <container name> bash

To copy files from local to POD

kubectl cp <file> <podname>:/<dest folder>

e.g. kubectl cp /my/foo.bar my-pod:/home/foo/

To find ip addresses of pods which a service points. These will be displayed as endpoints

kubectl get ep <service name>

Sample output

NAME ENDPOINTS AGE

<service> 10.1.0.9:9000 1m

To get node details in json output

kubectl get node <node-name> -o=json