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Minor changes to SSHd example

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Docker-DCO-1.1-Signed-off-by: James Turnbull <james@lovedthanlost.net> (github: jamtur01)
This commit is contained in:
James Turnbull 2014-10-11 16:30:36 -04:00
parent 7fa7c42ce2
commit f1c319f77c
1 changed files with 6 additions and 5 deletions
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11
docs/sources/examples/running_ssh_service.md
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@ -46,7 +46,8 @@ the container's port 22 is mapped to:
And now you can ssh as `root` on the container's IP address (you can find it And now you can ssh as `root` on the container's IP address (you can find it
with `docker inspect`) or on port `49154` of the Docker daemon's host IP address with `docker inspect`) or on port `49154` of the Docker daemon's host IP address
(`ip address` or `ifconfig` can tell you that): (`ip address` or `ifconfig` can tell you that) or `localhost` if on the
Docker daemon host:
$ ssh root@192.168.1.2 -p 49154 $ ssh root@192.168.1.2 -p 49154
# The password is ``screencast``. # The password is ``screencast``.
@ -55,15 +56,15 @@ with `docker inspect`) or on port `49154` of the Docker daemon's host IP address
## Environment variables ## Environment variables
Using the `sshd` daemon to spawn shells makes it complicated to pass environment Using the `sshd` daemon to spawn shells makes it complicated to pass environment
variables to the user's shell via the simple Docker mechanisms, as `sshd` scrubs variables to the user's shell via the normal Docker mechanisms, as `sshd` scrubs
the environment before it starts the shell. the environment before it starts the shell.
If you're setting values in the Dockerfile using `ENV`, you'll need to push them If you're setting values in the `Dockerfile` using `ENV`, you'll need to push them
to a shell initialisation file like the `/etc/profile` example in the Dockerfile to a shell initialization file like the `/etc/profile` example in the `Dockerfile`
above. above.
If you need to pass`docker run -e ENV=value` values, you will need to write a If you need to pass`docker run -e ENV=value` values, you will need to write a
short script to do the same before you start `sshd -D` - and then replace the short script to do the same before you start `sshd -D` and then replace the
`CMD` with that script. `CMD` with that script.
## Clean up ## Clean up