"A name indicates what we seek. An address indicates where it is. A route indicates how to get there. "
That great quote from O'Reilly's "TCP/IP Network Administration" serves as the perfect introduction to a Networking section.
The ping command is the most basic test of network connectivity and is used extensively throughout these pages.
The Konsole shown here displays an error message from a network interface that is not configured properly.
On the following pages we'll go through the steps required to properly configure and test a network adapter.