To start the docker service:

  $ sudo service docker start

(or to start it when system boots...)

  $ sudo chkconfig docker on

To build an image (named debian12:ashell:7.0.1786.1

  $ docker build -t debian12:ashell:7.0.1786.1
or
  $ ./builddocker microsabio/debian12-ashell:latest

Run the image:

  $ launchdocker microsabio/debian12-ashell{:tag - default is :latest}

To list the available images:

  $ docker images

To launch image and have access to Linux shell prompt:

1. Remove the ENTRYPOINT from the DockerFile
2. $  docker run -it -v /vm:/vm image-name

To upload image to repository:

1. Use $ docker images | more to list the images and get id
2. Use $ docker tag to tag it:
    $ docker tag fdebcefce065 microsabio/debian12-ashell:7.0.1786.1
    $ docker tag fdebcefce065 microsabio/debian12-ashell:devel
    $ docker tag fdebcefce065 microsabio/debian12-ashell:latest
    (can tag same image multiple ways as shown above)
3. Login:
    $ docker login
4. Push it:
    $ docker push microsabio/debian12-ashell:7.0.1786.1
5. Login on web to see it