In the second installment, Serverwatch cover how to start a network installation with either a newfangled USB stick or an oldfangled CD-ROM
The full article and a link to part 1 is here
Plugging a new PC into your network, going out for a healthy walk, and returning to a completed operating system installation is one of life's little pleasures. Remember, laziness is a virtue in network administration. Hamsters spend their lives running the same circles. Network administrators automate repetitive tasks.