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Tianon made a micro-image (sub one meg?) that we can use as a very fast to download 'yes, your docker can download and run an image' test

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@docker.com> (github: SvenDowideit)

Sven Dowideit authored on 2014/07/15 13:02:12
Showing 4 changed files
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@@ -27,8 +27,10 @@ page_keywords: Docker, Docker documentation, installation, google, Google Comput
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 4. Connect to the instance using SSH:
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         $ gcloud compute ssh --zone us-central1-a docker-playground
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-        docker-playground:~$ sudo docker run busybox echo 'docker on GCE \o/'
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-        docker on GCE \o/
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+        $$ docker-playground:~$ sudo docker run hello-world
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+	Hello from Docker.
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+	This message shows that your installation appears to be working correctly.
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+	...
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 Read more about [deploying Containers on Google Cloud Platform][5].
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@@ -56,12 +56,12 @@ and `boot2docker start`.
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 ## Running Docker
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-From your terminal, you can test that Docker is running with a “hello world” example.
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+From your terminal, you can test that Docker is running with the small `hello-world` example image.
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 Start the vm and then run:
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-    $ docker run ubuntu echo hello world
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+    $ docker run hello-world
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-This should download the `ubuntu` image and print `hello world`.
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+This should download the very small `hello-world` image and print a `Hello from Docker.` message.
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 ## Container port redirection
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@@ -51,11 +51,11 @@ and the Boot2Docker management tool.
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 Boot2Docker will log you in automatically so you can start using Docker right away.
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-Let's try the “hello world” example. Run
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+Let's try the `hello-world` example image. Run
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-    $ docker run busybox echo hello world
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+    $ docker run hello-world
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-This will download the small busybox image and print "hello world".
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+This should download the very small `hello-world` image and print a `Hello from Docker.` message.
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 # Further Details
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@@ -85,7 +85,7 @@ case "$lsb_dist" in
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 		if command_exists docker && [ -e /var/run/docker.sock ]; then
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 			(
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 				set -x
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-				$sh_c 'docker run busybox echo "Docker has been successfully installed!"'
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+				$sh_c 'docker run hello-world'
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 			) || true
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 		fi
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 		your_user=your-user
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@@ -150,7 +150,7 @@ case "$lsb_dist" in
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 		if command_exists docker && [ -e /var/run/docker.sock ]; then
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 			(
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 				set -x
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-				$sh_c 'docker run busybox echo "Docker has been successfully installed!"'
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+				$sh_c 'docker run hello-world'
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 			) || true
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 		fi
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 		your_user=your-user