startstop

### Starting and Stopping

* [`docker start`](https://docs.docker.com/engine/reference/commandline/start) starts a container so it is running.
* [`docker stop`](https://docs.docker.com/engine/reference/commandline/stop) stops a running container.
* [`docker restart`](https://docs.docker.com/engine/reference/commandline/restart) stops and starts a container.
* [`docker pause`](https://docs.docker.com/engine/reference/commandline/pause/) pauses a running container, "freezing" it in place.
* [`docker unpause`](https://docs.docker.com/engine/reference/commandline/unpause/) will unpause a running container.
* [`docker wait`](https://docs.docker.com/engine/reference/commandline/wait) blocks until running container stops.
* [`docker kill`](https://docs.docker.com/engine/reference/commandline/kill) sends a SIGKILL to a running container.
* [`docker attach`](https://docs.docker.com/engine/reference/commandline/attach) will connect to a running container.

If you want to detach from a running container, use `Ctrl + p, Ctrl + q`.
If you want to integrate a container with a [host process manager](https://docs.docker.com/engine/admin/host_integration/), start the daemon with `-r=false` then use `docker start -a`.

If you want to expose container ports through the host, see the [exposing ports](#exposing-ports) section.

Restart policies on crashed docker instances are [covered here](http://container42.com/2014/09/30/docker-restart-policies/).