How to duplicate a Linux PC or partition via network

Imagine you get the task to quickly set up a number of identical workstations. Unfortunately either the available removable media (e.g. CD) is too small or the imaging tool you use insists on not recognizing your favourite file system type (esp. Ext3, XFS, JFS, Reiser), or you want to keep the other individual partitions on your target PC. Here's how to do with on-board tools.

Requirements:

Create the master:

Mirror to a new PC: