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Add docker ps for old Docker versions (#6246)

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Gwendolynne Barr 2018-03-16 14:22:29 -07:00 committed by GitHub
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@ -128,65 +128,65 @@ and higher.
### Test Docker version
Ensure that you have a supported version of Docker:
1. Run `docker --version` and ensure that you have a supported version of Docker:
```shell
$ docker --version
Docker version 17.12.0-ce, build c97c6d6
```
```shell
docker --version
Run `docker version`(without `--`) or `docker info` to view even more details
about your docker installation:
Docker version 17.12.0-ce, build c97c6d6
```
```shell
$ docker info
Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 17.12.0-ce
Storage Driver: overlay2
...
```
2. Run `docker info` or (`docker version` without `--`) to view even more details about your docker installation:
> **Note**: To avoid permission errors (and the use of `sudo`), add your user to
> the `docker` group. [Read more](https://docs.docker.com/engine/installation/linux/linux-postinstall/){: target="_blank" class="_"}.
```shell
docker info
Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 17.12.0-ce
Storage Driver: overlay2
...
```
> To avoid permission errors (and the use of `sudo`), add your user to the `docker` group. [Read more](https://docs.docker.com/engine/installation/linux/linux-postinstall/){: target="_blank" class="_"}.
### Test Docker installation
Test that your installation works by running the simple Docker image,
1. Test that your installation works by running the simple Docker image,
[hello-world](https://hub.docker.com/_/hello-world/){: target="_blank" class="_"}:
```shell
$ docker run hello-world
```shell
docker run hello-world
Unable to find image 'hello-world:latest' locally
latest: Pulling from library/hello-world
ca4f61b1923c: Pull complete
Digest: sha256:ca0eeb6fb05351dfc8759c20733c91def84cb8007aa89a5bf606bc8b315b9fc7
Status: Downloaded newer image for hello-world:latest
Unable to find image 'hello-world:latest' locally
latest: Pulling from library/hello-world
ca4f61b1923c: Pull complete
Digest: sha256:ca0eeb6fb05351dfc8759c20733c91def84cb8007aa89a5bf606bc8b315b9fc7
Status: Downloaded newer image for hello-world:latest
Hello from Docker!
This message shows that your installation appears to be working correctly.
...
```
Hello from Docker!
This message shows that your installation appears to be working correctly.
...
```
List the `hello-world` image that was downloaded to your machine:
2. List the `hello-world` image that was downloaded to your machine:
```shell
$ docker image ls
```
```shell
docker image ls
```
List the `hello-world` container (spawned by the image), which exits after
displaying its message. If it were still running, you would _not_ need the
`--all` option:
3. List the `hello-world` container (spawned by the image) which exits after
displaying its message. If it were still running, you would not need the `--all` option:
```shell
$ docker container ls --all
CONTAINER ID IMAGE COMMAND CREATED STATUS
54f4984ed6a8 hello-world "/hello" 20 seconds ago Exited (0) 19 seconds ago
```
```shell
docker container ls --all
CONTAINER ID IMAGE COMMAND CREATED STATUS
54f4984ed6a8 hello-world "/hello" 20 seconds ago Exited (0) 19 seconds ago
```
## Recap and cheat sheet
@ -209,7 +209,7 @@ docker image ls
## List Docker containers (running, all, all in quiet mode)
docker container ls
docker container ls --all
docker container ls -a -q
docker container ls -aq
```
## Conclusion of part one