System administrators need to stay ahead of new security vulnerabilities that leave their networks exposed every day. A firewall and an intrusion detection systems (IDS) are two important weapons in that fight, enabling you to proactively deny access and monitor network traffic for signs of an attack.

Linux Firewalls discusses the technical details of the iptables firewall and the Netfilter framework that are built into the Linux kernel, and it explains how they provide strong filtering, Network Address Translation (NAT), state tracking, and application layer inspection capabilities that rival many commercial tools. You’ll learn how to deploy iptables as an IDS with psad and fwsnort and how to build a strong, passive authentication layer around iptables with fwknop. (more…)

The Linux Network Administrator’s Guide, Third Edition dispenses all the practical advice you need to join a network. Along with some hardware considerations, this highly acclaimed guide takes an in-depth look at all of the essential networking software that comes with the operating system–including basic infrastructure (TCP/IP, wireless networking, firewalling) and the most popular services on Linux systems. But as the follow-up to a classic, the third edition of the Linux Network Administrator’s Guide does more than just spruce up the basics. It also provides the very latest information on the following cutting-edge services:

* Wireless hubs.
* OpenLDAP. (more…)

Ubuntu Linux is a state-of-the-art operating system, and you need a book that’s just as advanced. Along with being the most comprehensive reference to installing, configuring, and working with Ubuntu, A Practical Guide to Ubuntu Linux« also provides extensive server coverage you won’t find in any other Ubuntu book.

Best-selling author Mark Sobell begins by walking you through every feature and technique you need to know, from installing Ubuntu using the DVD included with the book to working with GNOME, Samba, exim4, Apache, DNS, NIS, firestarter, and iptables. Sobell’s exceptionally clear explanations demystify everything from system security to Windows file/printer sharing. (more…)

GNU/Linux is an immensely popular operating system that is both extremely stable and reliable. But it can also induce minor headaches at the most inopportune times, if you’re not fully up to speed with its capabilities.

A unique approach to running and administering Linux systems, Linux Annoyances for Geeks addresses the many poorly documented and under-appreciated topics that make the difference between a system you struggle with and a system you really enjoy. This book is for power users and system administrators who want to clear away barriers to using Linux for themselves and for less-trained users in their organizations.

This book meticulously tells you how to get a stubborn wireless card to work under (more…)

The Linux operating system is widely used for networking and software development. It includes features to identify and control breaches of security, both internal and external. Linux Security gives you the knowledge to maximize the benefits of Linux products, keep your business safe, and gain a competitive edge!

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Don’t believe the myth about Linux servers being more secure than Windows servers. With an increasing number of high-severity security vulnerabilities being discovered on Linux servers, which now account for a third of all network servers worldwide, administrators must act diligently to ensure system security. The latest in the How to Cheat series, How to Cheat at Securing Linux, is a highly relevant resource and the only book on Linux security to come out in the past few years. Discover why securing Linux means “measure twice, cut once” and get essential how-to on hardening the operating system, implementing an intrusion detection system and defending databases.

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Fully updated for the most current Linux distributions, Linux Administration: A Beginner’s Guide, Fifth Edition, shows you how to set up, maintain, and troubleshoot Linux on a single server or an entire network. Get full details on granting user rights and permissions, configuring software and hardware, providing Internet and intranet services, and customizing Linux kernel 2.6. You’ll also learn how to get your network services IPv6 ready, implement sound security, create foolproof system backups, and use the latest virtualization technologies. Real-world, hands-on examples are included throughout.

*Install and configure popular Linux distributions, including Fedora 9, Red Hat Enterprise Linux, OpenSuSE, and Ubuntu. (more…)

LinuxCBT feat. SUSE 10 Ent. Edition Syllabus – focuses entirely on the SUSE 10 Enterprise Linux distribution, and is the upgrade to LinuxCBT feat. SUSE 9 Ent. Edition.

LinuxCBT feat. SUSE 10 Ent. Edition spans 40-hours (over 1-full week of training, and covers today’s enterprise Linux topics. Additionally, customers across all sectors find tremendous value in the SUSE Enterprise distribution because of its consolidated management tools, mature product life-cycle, and relative ease-of-use. (more…)

Ubuntu Linux Bible

Product Description
Everything you need to know—and then some!

It’s the fastest-growing, coolest Linux distribution out there, and now you can join the excitement with this information-packed guide. Want to edit graphics? Create a spreadsheet? Manage groups? Set up an NFS server? You’ll learn it all and more with the expert guidance, tips, and techniques in this first-ever soup-to-nuts book on Ubuntu. From the basics for newcomers to (more…)

Introducing Ubuntu: Desktop Linux

Product Description
Completely free and highly robust, Ubuntu has the power to bring the Linux desktop to the masses. Introducing Ubuntu: Desktop Linux is your key to learning this new, userfriendly, and free alternative to Windows. Think of it as a personal tutorial, a one-on-one class with an expert user of Ubuntu. It begins by helping you choose the right Ubuntu for you (yes, there’s more than one), and guides you through installing Ubuntu, managing the desktop, (more…)