tallclair

# Copy /tmp/foo_dir local directory to /tmp/bar_dir in a remote pod in the default namespace
kubectl cp /tmp/foo_dir <some-pod>:/tmp/foo_dir
tar cf - /tmp/foo_dir | kubectl exec -i <some-pod> -- tar xf -

# Copy /tmp/foo local file to /tmp/bar in a remote pod in a specific container
kubectl cp /tmp/foo <some-pod>:/tmp/foo -c <specific-container>
tar cf - /tmp/foo | kubectl exec -i <some-pod> -c <specific-container> -- tar xf - 

# Copy /tmp/foo local file to /tmp/bar in a remote pod in namespace <some-namespace>
kubectl cp /tmp/foo <some-namespace>/<some-pod>:/tmp/foo