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root@template:~# docker pull centos
Using default tag: latest
latest: Pulling from library/centos
a1d0c7532777: Pull complete
Digest: sha256:a27fd8080b517143cbbbab9dfb7c8571c40d67d534bbdee55bd6c473f432b177
Status: Downloaded newer image for centos:latest
docker.io/library/centos:latest

root@template:~# docker image ls
REPOSITORY   TAG       IMAGE ID       CREATED         SIZE
mysql        latest    38643ad93215   3 days ago      446MB
wordpress    latest    826140609178   2 weeks ago     609MB
centos       latest    5d0da3dc9764   10 months ago   231MB
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root@template:~# docker image tag centos  ipadfordennis/myos:1.0
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root@template:~# docker image ls
REPOSITORY           TAG       IMAGE ID       CREATED         SIZE
mysql                latest    38643ad93215   3 days ago      446MB
wordpress            latest    826140609178   2 weeks ago     609MB
ipadfordennis/myos   1.0       5d0da3dc9764   10 months ago   231MB
centos               latest    5d0da3dc9764   10 months ago   231MB
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root@template:~# docker push ipadfordennis/myos:1.0
The push refers to repository [docker.io/ipadfordennis/myos]
74ddd0ec08fa: Mounted from library/centos
1.0: digest: sha256:a1801b843b1bfaf77c501e7a6d3f709401a1e0c83863037fa3aab063a7fdb9dc size: 529
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root@template:~# docker run -it --name myos2 ubuntu
Unable to find image 'ubuntu:latest' locally
latest: Pulling from library/ubuntu
405f018f9d1d: Pull complete
Digest: sha256:b6b83d3c331794420340093eb706a6f152d9c1fa51b262d9bf34594887c2c7ac
Status: Downloaded newer image for ubuntu:latest
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