ryu，容器镜像的导入导出

[root@controller /]#
[root@controller /]# docker ps -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                                            NAMES
40fbc5e71bf0        osrg/ryu            "/bin/bash"         3 hours ago         Up 3 hours          0.0.0.0:8080->8080/tcp, 0.0.0.0:6635->6633/tcp   ryu
[root@controller /]# docker export ryu > ryu.tar
[root@controller /]# ls
1  2  bin  boot  dev  etc  home  lib  lib64  media  mnt  networking-sfc  opt  p.pcap  proc  root  run  ryu.tar  sbin  srv  sys  tmp  usr  var  yunhai_version
[root@controller /]#
[root@controller /]#
[root@controller /]#
[root@controller /]#
[root@controller /]# cat ryu.tar | sudo docker import - ryuuuuu
sha256:99986845e4043fdf62ea23932aff2f7ef6024d8dee149ebf52212786d1861a9e
[root@controller /]# docker image
^C
[root@controller /]# docker images
REPOSITORY                           TAG                 IMAGE ID            CREATED             SIZE
ryuuuuu                              latest              99986845e404        24 seconds ago      262MB
onosproject/onos                     latest              2e4e7cbce211        2 weeks ago         875MB
osrg/ryu                             latest              ab10e91ba3b6        5 months ago        294MB
maojianwei2020/onos_docker_cluster   latest              2e66841945f7        10 months ago       425MB
[root@controller /]#
[root@controller /]#