Grml is a bootable live system (Live-CD) based on Debian. Grml includes a collection of GNU/Linux software especially for system administrators. Users don't have to install anything on fixed storage. Grml is especially well suited for administrative tasks like installation, deployment and system rescue.

http://grml.org/

http://blog.grml.org/feeds/index.rss2

The Debian Administrator's Handbook : A.6. Grml