I am going to write a small E-Book for the Jetson TK1 board.
It should help you to get started quickly with the board.
The first version will be around 50 pages and grow with time.
Software overview Jetson TK1
5.1 Operating systems for the Jetson TK1
5.1.1 Linux for Tegra Releases
5.1.2 Other Operating systems
5.2 Re-Flash the board with custom OS or kernel
The Jetson TK1 in detail
6.1 Install and Update software packages
6.2 Ubuntu Tips and Tricks
6.2.1 Install other desktop environments
6.2.2 Set configuration for maximum performance and stability
6.2.3 Set configuration for window borders for easier resizing
6.3 Install Browser Flash support
6.4 Useful Linux services and applications
6.4.1 SSH server and client
6.4.2 File sharing with NFS and SAMBA
6.4.3 Run a web server with Lighttpd
6.5 How to report bugs
6.5 Explore the Linux shell