12.04,precise(sbin-init/ubuntu/upstart/12.04/Dockerfile)14.04,trusty,latest(sbin-init/ubuntu/upstart/14.04/Dockerfile)14.10,utopic(sbin-init/ubuntu/upstart/14.10/Dockerfile)
For more information about this image and its history, please see the relevant manifest file (library/ubuntu-upstart). This image is updated via pull requests to the docker-library/official-images GitHub repo.
For detailed information about the virtual/transfer sizes and individual layers of each of the above supported tags, please see the ubuntu-upstart/tag-details.md file in the docker-library/docs GitHub repo.
Upstart is an event-based replacement for the traditional init daemon – the method by which several Unix-like computer operating systems perform tasks when the computer is started. It was written by Scott James Remnant, a former employee of Canonical Ltd.
This image is officially supported on Docker version 1.9.0.
Support for older versions (down to 1.6) is provided on a best-effort basis.
Please see the Docker installation documentation for details on how to upgrade your Docker daemon.
Documentation for this image is stored in the ubuntu-upstart/ directory of the docker-library/docs GitHub repo. Be sure to familiarize yourself with the repository's REAMDE.md file before attempting a pull request.
This image is provided on an as-is basis. If problems with it are discovered, they can be discussed in the #docker-library IRC channel on Freenode, but any support will be best-effort.