So, ifconfig, netstat, route are no longer maintined. Here's info on the newer alternatives:
Doug Vitale Tech Blog: Deprecated Linux networking commands and their replacements

Linux: Where the Jobs (and Bigger Salaries) Are

Here are three links I used when reviewing for the RHCSA exam:
RHCSA: My study guide
Musings on Information Technology - A view from the trenches
Unofficial RHCE Study Guide

These I used for the RHCE:
RHCE: My study guide
Musings on Information Technology - A view from the trenches

Want a Job? Learn Linux

Data Deduplication with Linux

Linux kernel vulnerability coughs up superuser rights - from Kathy

SCO puts Unix assets up for sale from Clyde

VMware Is in Talks to Acquire Novell's Linux Software Unit
Blog: VMware is buying Novell
Blog: VMware – Novell SUSE Acquisition Rumors: Why it Makes Sense

CentOS Goes Commercial

Top 5 Free Linux Distributions for Servers in 2010

Commandlinefu.com is a handy site for shell tricks and tips.

I am still irritated that the "makers" of Helix are selling free and Open Source software (among other things) for a price in violation of the letter and spirit of the GPL (under which much of the code is published). I am curious to see what the folks at GPL Violations think so I have sent a query to license-violation@gpl-violations.org.

Interactive map of Linux kernel

Could be good news: Microsoft, Red Hat to interoperate patent-free

The PDF Edition of Ubuntu Pocket Guide and Reference is available entirely free of charge.

Mac Vs PC: Part II

Just a question: would anyone be interested in forming an Asterisk (or VoIP) users group in the Tidewater area? Contact joat at 757 dot org.

Linux package management cheat sheet updated (part 2) (part 3)

Tiny Linux PC uses just 8 watts of power, can be solar powered

Zenoss Core is an open source IT monitoring product that delivers the functionality to effectively manage the configuration, health, performance of networks, servers and applications through a single, integrated software package.

TCP/IP security vulnerability disclosed

First Look: KNOPPIX 5.3.0 - At CeBIT 2008!
Downloaded Knoppix 5.3 here

monit is a utility for managing and monitoring, processes, files, directories and devices on a UNIX system.

Model train software spat threatens future of open source

Pretty good ideas:
The 10 Commandments for New Linux Users

Free home wireless from Google.

Try Out Gentoo Linux if you have a chance - You will need to understand Linux partitioning and how to configure the kernel but beyond that it is a breeze to use because it uses FreeBSD's ports system (man emerge).

Standardizing UNIX

With Fedora 7, "There will be no more releases of Fedora Core or Fedora Extras." Just Fedora.

Spring Semester Courses Start Next Week

Please share these flyers on the Network Security Program and the Red Hat Academy Program with any interested friends, coworkers, and enemies.

ITN260 Network Security Basics – Available Online (Course #17044 Sec. O02C) or Face-to-Face (#17040 Sec. N01C Mondays 6pm-9:30pm) - In Network Security Basics, students learn about the threats that our modern information systems face from hackers, spies and agents. Network Security Basics lays the foundation for all further study in the network security program. Content domains include cryptography, communications security, infrastructure security, operating system security, wireless security, intrusion detection, malicious software, common attacks and countermeasures.

ITN 262 Network Communication, Security, and Authentication - Course #24777 Section # N01C- Tuesdays 6pm – 9:30pm. Students in ITN 262 learn how to analyze network traffic to reveal malicious attacks. Students build their own intrusion detection systems and learn how to write signatures to detect and react to the latest threats.

ITN 220 Wireless Network Security – Course # 24776 Section # N01C – Thursdays 6:00 – 9:30pm Students in ITN 220 design secure enterprise wireless networks and conduct adversarial analysis of wireless network security to spot common security flaws. This course will be team taught by a Chief Information Security Officer (CISO) who recently finished an enterprise wireless rollout and a former member the the group responsible for maintaining the Department of Defense Wireless Security Technical Implementation Guide (STIG).

ITN 293 Incident Response and Computer Forensics – Course # 32233 Section # N01C - Wednesdays 6:00 pm – 9:30pm. In this intense hands-on course, students investigate live scenarios involving computer intrusion events, unacceptable use, conspiracy, and economic espionage. Team-taught with one of only 13 master forensic examiners in the FBI.

Red Hat Academy Courses

ITN 171 Unix I - Online 4 credits - Class #17038 Section O01C Provides an introduction to UNIX-like operating systems (using Linux). Teaches login procedures, file creation, UNIX file structure, input/output control, and the UNIX shells.

ITN 170 Linux System Administration - Class #17041 Section N01C Monday Nights 6:00pm – 9:30pm 4Cr Focuses on the installation, configuration and administration of the Linux operating system. Emphasis is placed upon use of Linux as a network client and workstation. Leads to Red Hat Certified Technician (RHCT) Certification. Prerequisite: ITN 171

ITN 270 Advanced Linux Network Administration – Class# 17047 Section N01C - Monday Nights 6:00pm – 9:30pm 4Cr Focuses on the configuration and administration of the Linux operating system as a network server. Emphasis is placed upon the configuration of common network services and security. Leads to Red Hat Certified Engineer Certification. Prerequisite: ITN170

The Ten Most Important Security Trends of the Coming Year