This document discusses an unattended Apache BigTop installer CD using preseeding to automate installation. It includes screenshots and basic information about the CD, which installs Hadoop 2.0 and YARN by default with the option to install Hue. The document also provides links to download ISO files for BigTop versions 0.6-0.7 and the GitHub source for customizing the installer for Ubuntu and Debian. Overall, the document introduces an automated installer for the Apache BigTop Hadoop distribution and related big data technologies.