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hello_world.md - $container_id variable case sensitivity

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If you run the tutorial step-by-step, following error occurs:

```$ sudo docker logs $container_id
Usage: docker logs CONTAINER
Fetch the logs of a container
  -f, --follow=false: Follow log output```

This is obviously because bash variables are case-sensitive, so it mustn't be `CONTAINER_ID` above.

Docker-DCO-1.1-Signed-off-by: Mateusz Sulima <sulima.mateusz@email.com> (github: github_handle)
This commit is contained in:
Mateusz Sulima 2014-05-03 12:22:33 +02:00
parent 3a1f0dedc7
commit dca1c0073f
1 changed files with 1 additions and 1 deletions
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docs/sources/examples/hello_world.md
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@ -80,7 +80,7 @@ continue to do this until we stop it.
**Steps:**
$ 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 made
from the `ubuntu` image.