[ruifengyun@bj-buzz-dev01 extractor_docker]$
[ruifengyun@bj-buzz-dev01 extractor_docker]$ docker images
REPOSITORY                  TAG         IMAGE ID      CREATED       VIRTUAL SIZE
<none>                    <none>       763e6d509697    2 minutes ago    1.123 GB
<none>                    <none>       008ec8098c8d    21 minutes ago   471 MB

docker rmi $(docker images | awk '/^<none>/ { print $3 }')
Error: image_delete: Conflict, 64b4fa0cdd27 wasn't deleted
Error: image_delete: Conflict, 5a2b9b2294c3 wasn't deleted
(…略…)
2014/03/08 18:26:04 Error: failed to remove one or more images

[ruifengyun@bj-buzz-dev01 extractor_docker]$ docker ps -a |grep 008ec8098c8d
f6a628cbe5e7    008ec8098c8d               "/bin/sh -c 'pip ins  14 minutes ago   Exited (1) 13 minutes ago                            romantic_wozniak
81cf08a442dd    008ec8098c8d               "/bin/sh -c 'pip ins  21 minutes ago   Exited (1) 20 minutes ago                            dreamy_bardeen

docker ps -a | grep "Exited" | awk '{print $1 }'|xargs docker stop
docker ps -a | grep "Exited" | awk '{print $1 }'|xargs docker rm
docker images|grep none|awk '{print $3 }'|xargs docker rmi

[ruifengyun@bj-buzz-dev01 ~]$ docker rmi -f 9503b09c1a70
Deleted: 9503b09c1a707d29b084e18aa13ef5d66f43672e41dce4db5931cbf2a754daa1