If you’re new to Linux, there’s a very handy file you’ll want to learn about right away. Jack Wallen introduces you to the hosts file and how to add entries to it. On a regular basis, I reference the ...

In this step-by-step guide from Jack Wallen, learn how to access and modify the Linux hosts file to control the mapping of hostnames to IP addresses. At some point in your career as a developer, ...

An IP address determines the name and network location of a computer on the Internet. The network stack reuses this IP address at all layers, including the application layer. As a consequence, ...

Editor's Note: This content is excerpted from Chapter 11 of Linux Debugging and Performance Tuning: Tips and Techniques, authored by Steve Best, ISBN 0-13-149247-0 ...