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Merge pull request #4526 from Rovanion/master 

All caps variables in normal bash should be avoided not to accidentally collide with environment variables.
This commit is contained in:
Sven Dowideit 2014-03-12 22:24:00 +10:00
parent a5fa161ff8 b24be254fa
commit 2ad16c88e2
1 changed files with 16 additions and 16 deletions
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32
docs/sources/examples/hello_world.rst
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@ -52,8 +52,8 @@ This command will run a simple ``echo`` command, that will echo ``hello world``
**Explanation:** **Explanation:**
- **"sudo"** execute the following commands as user *root* - **"sudo"** execute the following commands as user *root*
- **"docker run"** run a command in a new container - **"docker run"** run a command in a new container
- **"busybox"** is the image we are running the command in. - **"busybox"** is the image we are running the command in.
- **"/bin/echo"** is the command we want to run in the container - **"/bin/echo"** is the command we want to run in the container
- **"hello world"** is the input for the echo command - **"hello world"** is the input for the echo command
@ -67,9 +67,9 @@ See the example in action
.. raw:: html .. raw:: html
<iframe width="560" height="400" frameborder="0" <iframe width="560" height="400" frameborder="0"
sandbox="allow-same-origin allow-scripts" sandbox="allow-same-origin allow-scripts"
srcdoc="<body><script type=&quot;text/javascript&quot; srcdoc="<body><script type=&quot;text/javascript&quot;
src=&quot;https://asciinema.org/a/7658.js&quot; src=&quot;https://asciinema.org/a/7658.js&quot;
id=&quot;asciicast-7658&quot; async></script></body>"> id=&quot;asciicast-7658&quot; async></script></body>">
</iframe> </iframe>
@ -92,7 +92,7 @@ we stop it.
.. code-block:: bash .. code-block:: bash
CONTAINER_ID=$(sudo docker run -d ubuntu /bin/sh -c "while true; do echo hello world; sleep 1; done") container_id=$(sudo docker run -d ubuntu /bin/sh -c "while true; do echo hello world; sleep 1; done")
We are going to run a simple hello world daemon in a new container We are going to run a simple hello world daemon in a new container
made from the ``ubuntu`` image. made from the ``ubuntu`` image.
@ -104,22 +104,22 @@ made from the ``ubuntu`` image.
- **"while true; do echo hello world; sleep 1; done"** is the mini - **"while true; do echo hello world; sleep 1; done"** is the mini
script we want to run, that will just print hello world once a script we want to run, that will just print hello world once a
second until we stop it. second until we stop it.
- **$CONTAINER_ID** the output of the run command will return a - **$container_id** the output of the run command will return a
container id, we can use in future commands to see what is going on container id, we can use in future commands to see what is going on
with this process. with this process.
.. code-block:: bash .. code-block:: bash
sudo docker logs $CONTAINER_ID sudo docker logs $container_id
Check the logs make sure it is working correctly. Check the logs make sure it is working correctly.
- **"docker logs**" This will return the logs for a container - **"docker logs**" This will return the logs for a container
- **$CONTAINER_ID** The Id of the container we want the logs for. - **$container_id** The Id of the container we want the logs for.
.. code-block:: bash .. code-block:: bash
sudo docker attach -sig-proxy=false $CONTAINER_ID sudo docker attach -sig-proxy=false $container_id
Attach to the container to see the results in real-time. Attach to the container to see the results in real-time.
@ -127,7 +127,7 @@ Attach to the container to see the results in real-time.
process to see what is going on. process to see what is going on.
- **"-sig-proxy=false"** Do not forward signals to the container; allows - **"-sig-proxy=false"** Do not forward signals to the container; allows
us to exit the attachment using Control-C without stopping the container. us to exit the attachment using Control-C without stopping the container.
- **$CONTAINER_ID** The Id of the container we want to attach too. - **$container_id** The Id of the container we want to attach too.
Exit from the container attachment by pressing Control-C. Exit from the container attachment by pressing Control-C.
@ -141,12 +141,12 @@ Check the process list to make sure it is running.
.. code-block:: bash .. code-block:: bash
sudo docker stop $CONTAINER_ID sudo docker stop $container_id
Stop the container, since we don't need it anymore. Stop the container, since we don't need it anymore.
- **"docker stop"** This stops a container - **"docker stop"** This stops a container
- **$CONTAINER_ID** The Id of the container we want to stop. - **$container_id** The Id of the container we want to stop.
.. code-block:: bash .. code-block:: bash
@ -162,9 +162,9 @@ See the example in action
.. raw:: html .. raw:: html
<iframe width="560" height="400" frameborder="0" <iframe width="560" height="400" frameborder="0"
sandbox="allow-same-origin allow-scripts" sandbox="allow-same-origin allow-scripts"
srcdoc="<body><script type=&quot;text/javascript&quot; srcdoc="<body><script type=&quot;text/javascript&quot;
src=&quot;https://asciinema.org/a/2562.js&quot; src=&quot;https://asciinema.org/a/2562.js&quot;
id=&quot;asciicast-2562&quot; async></script></body>"> id=&quot;asciicast-2562&quot; async></script></body>">
</iframe> </iframe>