<p>I try to <a href="https://cwiki.apache.org/confluence/display/STRATOS/4.1.x+Install+Stratos+with+Kubernetes+in+a+Testing+Environment" rel="nofollow">Install Stratos with Kubernetes in a Testing Environment</a> to build Stratos.I downloading the Kubernetes binaries and provisioned a Docker registry to VAGRANT_KUBERNETES_SETUP folder (in 2.c. i in page).But it gives 3 Failed Units(docker.service,setup-network-environment.service   and docker.socket) When I Log into the master node.<br>So I can't view Docker images by using 'docker images' command.when I view docker images it give this error-<br>"FATA[0000] Cannot connect to the Docker daemon. Is 'docker -d' running on this host?" <br> how can i fixed this problem?do i need to install in different way to work with vagrant?</p>

<p>Did you do a <code>sudo -s</code> on the node ? You have to be an admin to connect to the docker daemon and do queries using docker command line client.</p>
