Book Image

Linux for Networking Professionals

By : Rob VandenBrink
1 (1)
Book Image

Linux for Networking Professionals

1 (1)
By: Rob VandenBrink

Overview of this book

As Linux continues to gain prominence, there has been a rise in network services being deployed on Linux for cost and flexibility reasons. If you are a networking professional or an infrastructure engineer involved with networks, extensive knowledge of Linux networking is a must. This book will guide you in building a strong foundation of Linux networking concepts. The book begins by covering various major distributions, how to pick the right distro, and basic Linux network configurations. You'll then move on to Linux network diagnostics, setting up a Linux firewall, and using Linux as a host for network services. You'll discover a wide range of network services, why they're important, and how to configure them in an enterprise environment. Finally, as you work with the example builds in this Linux book, you'll learn to configure various services to defend against common attacks. As you advance to the final chapters, you’ll be well on your way towards building the underpinnings for an all-Linux datacenter. By the end of this book, you'll be able to not only configure common Linux network services confidently, but also use tried-and-tested methodologies for future Linux installations.
Table of Contents (20 chapters)
1
Section 1: Linux Basics
4
Section 2: Linux as a Network Node and Troubleshooting Platform
8
Section 3: Linux Network Services

Wireless diagnostic operations

Diagnostic tools in wireless networks are generally concerned with finding areas of low signal strength and interference – things that cause problems for the folks using your wireless network.

There are a few excellent wireless tools that are Linux-based, but we'll discuss Kismet, Wavemon, and LinSSID. All three tools are free, and all can be installed with the standard apt-get install <package name> command. If you expand your tool search to include attack-type tools or commercial products, that list obviously grows much bigger.

Kismet is one of the older wireless tools available for Linux. My first exposure to it was as an information security tool, highlighting that "hidden" wireless SSIDs were in fact not hidden at all!

To run the tool, use the following command:

$ sudo kismet –c <wireless interface name>

Or, if you have a fully working configuration and don't need the actual server window...