@@ -26,10 +26,10 @@ Starting a long-running worker process

 .. code-block:: bash

   # Run docker in daemon mode

-  (docker -d || echo "Docker daemon already running") &

+  (sudo docker -d || echo "Docker daemon already running") &

   # Start a very useful long-running process

-  JOB=$(docker run base /bin/sh -c "while true; do echo Hello world!; sleep 1; done")

+  JOB=$(docker run -d base /bin/sh -c "while true; do echo Hello world; sleep 1; done")

   # Collect the output of the job so far

   docker logs $JOB

@@ -51,7 +51,7 @@ Expose a service on a TCP port

 .. code-block:: bash

   # Expose port 4444 of this container, and tell netcat to listen on it

-  JOB=$(docker run -p 4444 base /bin/nc -l -p 4444)

+  JOB=$(docker run -d -p 4444 base /bin/nc -l -p 4444)

   # Which public port is NATed to my container?

   PORT=$(docker port $JOB 4444)