registry镜像仓库
[root@localhost data]# docker search whalesay
INDEX NAME DESCRIPTION STARS OFFICIAL AUTOMATED
docker.io docker.io/docker/whalesay An image for use in the Docker demo tutorial 635
docker.io docker.io/mendlik/docker-whalesay Docker whalesay image from training materi... 7 [OK]
docker.io docker.io/caibar/whalesay Builds automatizados. 1 [OK]
docker.io docker.io/milanfort/whalesay Modified docker/whalesay image that output... 1
docker.io docker.io/nikovirtala/whalesay Tiny Go web service to print Moby Dock ASC... 1 [OK]
docker.io docker.io/ojenge/whalesay from docker/whalesay 1
docker.io docker.io/sabs1117/whalesay Whalesay with fortune phrases. 1
docker.io docker.io/swinton/whalesay whalesay, innit 1
docker.io docker.io/asakilan/pg-whalesay My whalesay 0
docker.io docker.io/blaines/whalesay 0
docker.io docker.io/claytonrogers/docker-whalesay Whalesay automated build 0 [OK]
docker.io docker.io/dhalljohnston/whalesay whalesay 0
docker.io docker.io/dockeramiller/whalesay Modified version of the official docker/wh... 0 [OK]
docker.io docker.io/firecyberice/whalesay Docker **Cloud** automated build for **amd... 0
docker.io docker.io/forsingh/whalesay whalesay 0 [OK]
docker.io docker.io/hongxi/whalesay-fortunes Demo, the whalesay-fortunes 0
docker.io docker.io/jetolabs/whalesay whalesay with fortune cookie messages 0
docker.io docker.io/jracionero/docker-whalesay My smarter docker whalesay 0
docker.io docker.io/laveshin/whalesay whalesay image 0
docker.io docker.io/ox0spy/whalesay-fortune like docker/whalesay, just using fortunes ... 0
docker.io docker.io/phyominhtun/whalesay First WhaleSay Test 0
docker.io docker.io/puneethp/whalesay Docker-Whalesay 0
docker.io docker.io/stealthizer/rpi-whalesay https://github.com/stealthizer/rpi-whalesay 0
docker.io docker.io/tiagoferreira/whalesay Whalesay image 0
docker.io docker.io/whalebrew/whalesay 0
[root@localhost data]# ^C
[root@localhost data]# docker pull docker.io/docker/whalesay
Using default tag: latest
Trying to pull repository docker.io/docker/whalesay ...
latest: Pulling from docker.io/docker/whalesay
e190868d63f8: Pull complete 57.2 MB/65.77 MB
909cd34c6fd7: Pull complete
0b9bfabab7c1: Pull complete
a3ed95caeb02: Pull complete
00bf65475aba: Pull complete
c57b6bcc83e3: Pull complete
8978f6879e2f: Pull complete
8eed3712d2cf: Pull complete
Digest: sha256:178598e51a26abbc958b8a2e48825c90bc22e641de3d31e18aaf55f3258ba93b
Status: Downloaded newer image for docker.io/docker/whalesay:latest
[root@localhost data]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
dzx/hello-nginx latest 2a88d3ddfc14 About an hour ago 182 MB
hello_docker latest 24f45ccc6e6c 2 hours ago 4.41 MB
docker.io/ubuntu latest 735f80812f90 7 days ago 83.5 MB
docker.io/nginx latest c82521676580 9 days ago 109 MB
docker.io/rabbitmq 3.7.7-management 8c06649c0351 2 weeks ago 149 MB
docker.io/alpine latest 11cd0b38bc3c 3 weeks ago 4.41 MB
docker.io/docker/whalesay latest 6b362a9f73eb 3 years ago 247 MB[root@localhost data]# docker run docker.io/docker/whalesay cowsay D你好！
____________
< D你好！ >
------------
\
\
\
## .
## ## ## ==
## ## ## ## ===
/""""""""""""""""___/ ===
~~~ {~~ ~~~~ ~~~ ~~~~ ~~ ~ / ===- ~~~
\______ o __/
\ \ __/
\____\______/ [root@localhost data]# docker tag docker/whalesay dzx/whalesay
[root@localhost data]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
dzx/hello-nginx latest 2a88d3ddfc14 About an hour ago 182 MB
hello_docker latest 24f45ccc6e6c 2 hours ago 4.41 MB
docker.io/ubuntu latest 735f80812f90 7 days ago 83.5 MB
docker.io/nginx latest c82521676580 9 days ago 109 MB
docker.io/rabbitmq 3.7.7-management 8c06649c0351 2 weeks ago 149 MB
docker.io/alpine latest 11cd0b38bc3c 3 weeks ago 4.41 MB
docker.io/docker/whalesay latest 6b362a9f73eb 3 years ago 247 MB
dzx/whalesay latest 6b362a9f73eb 3 years ago 247 MB
[root@localhost data]# docker push dzx/whalesay
The push refers to a repository [docker.io/dzx/whalesay]
5f70bf18a086: Preparing
d061ee1340ec: Preparing
d511ed9e12e1: Preparing
091abc5148e4: Preparing
b26122d57afa: Preparing
37ee47034d9b: Waiting
528c8710fd95: Waiting
1154ba695078: Waiting
denied: requested access to the resource is denied
[root@localhost data]# docker login
Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com to create one.
Username: dzx
Password:
Error response from daemon: Get https://registry-1.docker.io/v2/: unauthorized: incorrect username or password
以上为查找镜像，拉取镜像，发布镜像到docker hub上面