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moby--moby/docs/sources/examples/running_ssh_service.md
Tianon Gravi fc637b5275 Standardize "apt-get install" usage across the repo
I might have missed some, but I think this is most of the offenders.

Docker-DCO-1.1-Signed-off-by: Andrew Page <admwiggin@gmail.com> (github: tianon)
2014-07-28 17:41:59 -06:00

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page_title: Dockerizing an SSH service page_description: Installing and running an SSHd service on Docker page_keywords: docker, example, package installation, networking

Dockerizing an SSH Daemon Service

The following Dockerfile sets up an SSHd service in a container that you can use to connect to and inspect other container's volumes, or to get quick access to a test container.

# sshd
#
# VERSION               0.0.1

FROM     ubuntu:12.04
MAINTAINER Thatcher R. Peskens "thatcher@dotcloud.com"

RUN apt-get update && apt-get install -y openssh-server
RUN mkdir /var/run/sshd
RUN echo 'root:screencast' |chpasswd

EXPOSE 22
CMD    ["/usr/sbin/sshd", "-D"]

Build the image using:

$ sudo docker build -t eg_sshd .

Then run it. You can then use docker port to find out what host port the container's port 22 is mapped to:

$ sudo docker run -d -P --name test_sshd eg_sshd
$ sudo docker port test_sshd 22
0.0.0.0:49154

And now you can ssh to port 49154 on the Docker daemon's host IP address (ip address or ifconfig can tell you that):

$ ssh root@192.168.1.2 -p 49154
# The password is ``screencast``.
$$

Finally, clean up after your test by stopping and removing the container, and then removing the image.

$ sudo docker stop test_sshd
$ sudo docker rm test_sshd
$ sudo docker rmi eg_sshd