Log

See log of the pods that match a pattern

kubectl logs -n <namespace> $(kubectl get pod -n <namespace> |  awk '/<pattern>/{print $1}') -f

Example:

kubectl logs -n kube-system $(kubectl get pod -n kube-system |  awk '/kube-proxy*/{print $1}') -f

See logs of all container in a pod

Use --all-containers flag.

kubectl logs my-pod --all-containers

See logs of a container that has crashed

Use --previous (short -p) flag.

kubectl logs my-pod --previous