fix invalid OS_ARCH check, and list kubectl processes
fix invalid OS_ARCH check, and list kubectl processes

kubernetes/minikube,dalehamel/minikube,warmchang/minikube,warmchang/minikube,dlorenc/minikube,kubernetes/minikube,kubernetes/minikube,warmchang/minikube,kubernetes/minikube,dlorenc/minikube,warmchang/minikube,dlorenc/minikube,warmchang/minikube,dlorenc/minikube,dlorenc/minikube,dlorenc/minikube,kubernetes/minikube,dlorenc/minikube,kubernetes/minikube,dlorenc/minikube,warmchang/minikube,dalehamel/minikube,warmchang/minikube,dalehamel/minikube,kubernetes/minikube