getting-started: state the obvious
using docker requires a running and accessible docker daemon; calling `make cluster-up` requires a local copy of the code.
it is obvious, but should appear in a "getting started" page.
@@ -6,7 +6,8 @@ development cluster.
## Building
The KubeVirt build system runs completely inside docker. In order to build
-KubeVirt you need to have `docker` and `rsync` installed.
+KubeVirt you need to have `docker` and `rsync` installed. You also need to have `docker`
+running, and have the permissions to access it.
**Note:** For running KubeVirt in the dockerized cluster, **nested
virtualization** must be enabled. As an alternative [software
@@ -25,8 +26,8 @@ for scheduling and memory are missing or incompatible with previous versions.
### Compile and run it
-Build all required artifacts and launch the
-dockerizied environment:
+To build all required artifacts and launch the
+dockerizied environment, clone the KubeVirt repository, `cd` into it, and:
```bash
# Build and deploy KubeVirt on Kubernetes 1.10.4 in our vms inside containers
