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docs: simplify basic usage doc, step 1: check your docker install

docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)
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Solomon Hykes 2014-01-21 01:48:48 +00:00
parent 90b52b7e06
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Learn Basic Commands Learn Basic Commands
==================== ====================
Starting Docker Check your docker install
--------------- -------------------------
If you have used one of the quick install paths, Docker may have been This guide assumes you have a working installation of Docker. To check
installed with upstart, Ubuntu's system for starting processes at boot your docker install, run the following command:
time. You should be able to run ``sudo docker help`` and get output.
If you get ``docker: command not found`` or something like
``/var/lib/docker/repositories: permission denied`` you will need to
specify the path to it and manually start it.
.. code-block:: bash .. code-block:: bash
# Run docker in daemon mode # Check that you have a working install
sudo <path to>/docker -d & docker info
If you get ``docker: command not found`` or something like
``/var/lib/docker/repositories: permission denied`` you have an incomplete
docker installation. Please refer to :ref:`installation_list` for installation
instructions.
Download a pre-built image Download a pre-built image
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