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changed rm images example to rmi 

updated to include both commands

Signed-off-by: Victoria Bialas <victoria.bialas@docker.com>
This commit is contained in:
Victoria Bialas 2017-03-08 20:04:32 -08:00
parent 8d7562d84a
commit bf36662513
1 changed files with 17 additions and 15 deletions
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32
engine/getstarted/step_six.md
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@ -24,14 +24,14 @@ new image.
```bash
$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
docker-whale latest 7d9495d03763 38 minutes ago 273.7 MB
<none> <none> 5dac217f722c 45 minutes ago 273.7 MB
docker/whalesay latest fb434121fc77 4 hours ago 247 MB
hello-world latest 91c95931e552 5 weeks ago 910 B
```
5. Find the image ID for the `docker-whale` image, in the second column. In this example,
the id is `7d9495d03763`, but yours will be different.
@ -48,16 +48,16 @@ new image.
![Docker tag command](tutimg/tagger.png)
Make sure to use your own Docker Hub account name.
```bash
$ docker tag 7d9495d03763 maryatdocker/docker-whale:latest
```
7. Run `docker images` again to verify that the `docker-whale` image has been tagged.
```bash
$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
maryatdocker/docker-whale latest 7d9495d03763 5 minutes ago 273.7 MB
docker-whale latest 7d9495d03763 2 hours ago 273.7 MB
@ -65,16 +65,16 @@ new image.
docker/whalesay latest fb434121fc77 5 hours ago 247 MB
hello-world latest 91c95931e552 5 weeks ago 910 B
```
The same image ID actually now exists in two different repositories.
8. Before you can push the image to Docker Hub, you need to log in, using
the `docker login` command. The command doesn't take any parameters,
but prompts you for the username and password, as below:
```bash
$ docker login
Username: *****
Password: *****
Login Succeeded
@ -86,7 +86,7 @@ new image.
```bash
$ docker push maryatdocker/docker-whale
The push refers to a repository [maryatdocker/docker-whale] (len: 1)
7d9495d03763: Image already exists
...
@ -97,7 +97,7 @@ new image.
10. Go back to the Docker Hub website to see the newly-pushed image.
![Docker tag command](tutimg/new_image.png)
## Step 2: Pull your new image
@ -113,7 +113,7 @@ locally.
```bash
$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
maryatdocker/docker-whale latest 7d9495d03763 5 minutes ago 273.7 MB
docker-whale latest 7d9495d03763 2 hours ago 273.7 MB
@ -121,20 +121,22 @@ locally.
docker/whalesay latest fb434121fc77 5 hours ago 247 MB
hello-world latest 91c95931e552 5 weeks ago 910 B
```
In the next step, you will remove both versions of the `docker-whale` image
from your local system. They share the same ID. Make a note of it.
3. Use the `docker image rm` command to remove the images. You can refer
3. Use the `docker rmi` command to remove the images. You can refer
to an image by its ID or its name. Since they share an ID, if you wanted to
keep one of them, you'd need to refer to the other one by name. For this
example, use the ID to remove both of them. Your ID will be different from
the one below.
```bash
$ docker image rm -f 7d9495d03763
$ docker rmi -f 7d9495d03763
```
>**Tip:** You can also remove an image with `docker image rm -f` followed by image ID or name in a similar fashion.
4. When you use `docker run` it automatically downloads (pulls) images that
don't yet exist locally, creates a container, and starts it. Use the
following command to pull and run the `docker-whale` image, substituting
@ -149,7 +151,7 @@ locally.
```bash
$ docker run maryatdocker/docker-whale
Unable to find image 'maryatdocker/docker-whale:latest' locally
latest: Pulling from maryatdocker/docker-whale
eb06e47a01d2: Pull complete