oliguo / docker-ubuntu

Ubuntu Development Env

Dockerfile

FROM       ubuntu:18.04

RUN apt-get update && apt-get -y install \
nano \
net-tools \
iputils-ping \
openssl

RUN apt-get install -y openssh-server
RUN mkdir /var/run/sshd

RUN echo 'root:root' |chpasswd

RUN sed -ri 's/^#?PermitRootLogin\s+.*/PermitRootLogin yes/' /etc/ssh/sshd_config
RUN sed -ri 's/UsePAM yes/#UsePAM yes/g' /etc/ssh/sshd_config

RUN mkdir /root/.ssh

RUN apt-get clean && \
    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

EXPOSE 22

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

Build image

$ docker build -t ubuntu_sshd .

Run container

$ docker run -d -P --name test_sshd ubuntu_sshd

Find out what host port the container’s port 22 is mapped to

$ docker port test_sshd 22

Connect the ubuntu

$ ssh [email protected] -p xxxx

Build Image and enable new ports with new image

$ docker stop your_container_id
$ docker commit you_container_id your_new_image_name
$ docker run -td -p 32679:22 -p 10080:80 -p 10443:443 your_new_image_name

Export image and load the image

$ docker save  your_new_image_name > your_new_image_name.tar
$ docker load your_new_image_name.tar