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Add ticks to docker links userguide, was not being rendered properly, fix spelling error in /etc/hosts 

Docker-DCO-1.1-Signed-off-by: Erik Hollensbe <github@hollensbe.org> (github: erikh)
This commit is contained in:
Erik Hollensbe 2014-06-25 00:59:10 -07:00
parent 01d4fd76dd
commit 6b29019541
1 changed files with 3 additions and 1 deletions
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4
docs/sources/userguide/dockerlinks.md
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@ -169,11 +169,12 @@ Docker exposes connectivity information for the parent container inside the
child container in two ways:
* Environment variables,
* Updating the `/etc/host` file.
* Updating the `/etc/hosts` file.
Let's look first at the environment variables Docker sets. Let's run the `env`
command to list the container's environment variables.
```
$ sudo docker run --rm --name web2 --link db:db training/webapp env
. . .
DB_NAME=/web2/db
@ -183,6 +184,7 @@ command to list the container's environment variables.
DB_PORT_5000_TCP_PORT=5432
DB_PORT_5000_TCP_ADDR=172.17.0.5
. . .
```
> **Note**:
> These Environment variables are only set for the first process in the