docker强制删除none的image镜像
昨晚使用dockerfile生成一个镜像，中途断网了，导致images的REPOSITORY出现<none>他的名字和tag都是为none
错误提示：
Failed to remove image (bceaae03d0ea): Error response from daemon: conflict: unable to delete bceaae03d0ea (must be forced) - image is being used by stopped container 31142aabc63c 首先我查看镜像
再查看容器，包括运行后退出的。
#引起上面的原因是docker官方要求，docker rmi image_id 只能删除未被使用的image。
由上面这段话，我推断到有容器在使用这个镜像，所以没法删除。
排除方法：1、删除和bceaae03d0ea镜像有关联的容器2、再重新删除镜像
查看镜像
# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
<none> <none> bceaae03d0ea 15 hours ago 172 MB
516249940/centos6-ssh v1 f6bb69ea7020 19 hours ago 556.4 MB
centos6-ssh latest f6bb69ea7020 19 hours ago 556.4 MB
docker.io/centos centos6 8315978ceaaa 4 weeks ago 194.6 MB
docker.io/ubuntu 12.10 3e314f95dcac 2 years ago 172 MB
查看所有容器
# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
31142aabc63c bceaae03d0ea "/bin/sh -c 'apt-get " 15 hours ago Exited (100) 15 hours ago drunk_borg
f8aa111d0066 centos6-ssh "/usr/sbin/sshd -D" 18 hours ago Up 18 hours 0.0.0.0:32768->22/tcp my-first-docker
# docker ps -l
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
31142aabc63c bceaae03d0ea "/bin/sh -c 'apt-get " 15 hours ago Exited (100) 15 hours ago drunk_borg
## docker ps -a |grep bceaae03d0ea
31142aabc63c bceaae03d0ea "/bin/sh -c 'apt-get " 15 hours ago Exited (100) 15 hours ago drunk_borg# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
31142aabc63c bceaae03d0ea "/bin/sh -c 'apt-get " 15 hours ago Exited (100) 15 hours ago drunk_borg
f8aa111d0066 centos6-ssh "/usr/sbin/sshd -D" 18 hours ago Up 18 hours 0.0.0.0:32768->22/tcp my-first-docker
删除已经退出运行的容器
# docker ps -a | grep "Exited" | awk '{print $1 }'|xargs docker rm
31142aabc63c
#
#
# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
f8aa111d0066 centos6-ssh "/usr/sbin/sshd -D" 18 hours ago Up 18 hours 0.0.0.0:32768->22/tcp my-first-docker删除none镜像
# docker images |grep none
<none> <none> bceaae03d0ea 15 hours ago 172 MB
# docker images |grep none |awk '{print $3}'
bceaae03d0ea
# docker images |grep none |awk '{print $3}'|xargs docker rmi
Deleted: sha256:bceaae03d0ea6312608c6a9f310bcaa0b4363792fba6ee4875e1d2b9c7c1fbb1
# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
516249940/centos6-ssh v1 f6bb69ea7020 19 hours ago 556.4 MB
centos6-ssh latest f6bb69ea7020 19 hours ago 556.4 MB
docker.io/centos centos6 8315978ceaaa 4 weeks ago 194.6 MB
docker.io/ubuntu 12.10 3e314f95dcac 2 years ago 172 MB
#
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