How to set up and test a Linux network for home or business with information on the basics of TCP/IP, the OSI layer, network hardware, Internet connection sharing. 10.2.1. Configuration of network interfaces. All the big, userfriendly Linux distributions come with various graphical tools, allowing for easy setup of the computer. Introduction. Postfix has several hundred configuration parameters that are controlled via the main.cf file. Fortunately, all parameters have sensible…