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moby--moby/docs/sources/examples/running_ssh_service.md
O.S. Tezer 343c24a5fa Merge pull request #5805 from joelhandwell/patch-2
changed deprecated -name option to --name
2014-05-14 22:09:17 +01:00

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page_title: Running an SSH service page_description: Installing and running an sshd service page_keywords: docker, example, package installation, networking

SSH Daemon Service

Note:

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
MAINTAINER Thatcher R. Peskens "thatcher@dotcloud.com"

# make sure the package repository is up to date
RUN echo "deb http://archive.ubuntu.com/ubuntu precise main universe" > /etc/apt/sources.list
RUN apt-get update

RUN 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 --rm -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