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Netfilter and iptables: Understanding how they harden Linux
Linux firewalls are often more secure than Windows firewalls because of the way they're implemented, according to James Turnbull, author of Hardening Linux. In this tip, he breaks down major components of Linux firewalls -- Netfilter and iptab... Tip
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Binary arithmetic and bit operations -- Chapter 3 of Write Great Code
Chapter 3 explores arithmetic, logical and bit operations on binary data. Tip
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Building and running modules - Ch. 2 of Linux Device Drivers, 3rd edition
This chapter introduces all the essential concepts about modules and kernel programming. Tip
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Excavating ancient abbreviations in Linux
Courtesy of Unix developers' creativity, Linux contains a legacy of bizarre terms with a history all their own. Tip
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Keeping up with the Joneses
Mark Hinkle cautions against IT professionals becoming single-vendor dependent and touts the position of open source technologies in the operating system and flashy gadgets realms Tip
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Blogs -- not just for ranting anymore
Web logs can be a useful tool for job hunting Windows pros. Tip
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Big Blue battles image problems in effort to woo SMBs
IBM is hoping to attract small and medium-sized businesses, but some critics say it has some tough image problems to overcome before it finds success in the SMB market. Tip
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Advanced job interview techniques for IT pros
Being interviewed for a position can be stressful. Follow these tips to help you stand out amongst your competition. Tip
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Outsourcing woes touch independents, too
Not having a boss doesn't mean the outsourcing trend won't hurt you. Find out what you can do to protect yourself. Tip
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Halfway to 2005: Trends to keep watching
How have the expert predictions for 2004 measured up? Find out what's real and what's not. Tip