[root@oegw1 soft]# docker save  eb9a804ae885 > /opt/soft/postgres.img
[root@oegw1 soft]# scp postgres.img 192.168.157.134:/opt/soft/
Address 192.168.157.134 maps to localhost, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
root@192.168.157.134's password: 
postgres.img                      
[root@oegw2 soft]# docker load < postgres.img
[root@oegw2 soft]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
<none>              <none>              eb9a804ae885        10 days ago         265.7 MB
[root@oegw2 soft]# docker tag eb9a804ae885 postgres:postgres
[root@oegw2 soft]# docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
postgres            postgres            eb9a804ae885        10 days ago         265.7 MB