Any PHP based software like WordPress, Mambo, Joomla, Drupal, MODx etc. will serve pages both from http://your-site.com as well as http://your-site.com/index.php. This creates duplicate content for search engines, which may then decide to penalize your site for duplicate content. You can safely prevent duplicate content with the following apache code / directive added to your .htaccess file (or in httpd.conf):

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Leased Lines historically have been used as reliable, resilient internet and site-to-site data connections. The main benefits have been security, reliability, SLAs, private network and flexible speeds. Leased Lines were also known for high installation charges, long installation times, hefty monthly fees and unreasonable contracts. With the advent of cheap ADSL connections, Leased Lines have become as relevant as dinosaurs except for the most demanding businesses, especially when you can bond multiple ADSL lines to get reliable broadband at a fraction of the cost.

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While running some Java applications (like Thinreader) you may see this strange looking error - Couldn’t find per display information. You may find this error when running such applications in JDK 6 or later. Let’s find out more about it and how you can easily fix it.

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The Linksys Compact Wireless-G Internet Video Camera WVC54GC is a Linux based wireless webcam with its own streaming web server built in. Windows users can view the video stream through their browser without the need to install any extra software other than allowing the supplied Active-X control to run. Unfortunately there isn’t much in the documentation about using this camera with Linux.

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VLC Media Player is a leading player for displaying video on Windows & Linux. It supports a wide variety of formats. You can also use it to save the video to a file.

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Login as or su to root and run:
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AWK is an extremely versatile and powerful language for processing files and text data. Often you can use awk to perform complex tasks on Unix / Linux / Mac OS command line which would otherwise take a full-fledged programming effort. AWK is great for log processing, creating custom scripts which will then be executed and more. For example I wanted to create a backup of all of my MySQL databases, each to a separate file after compressing them with gzip (maximum compression). I already created a list of databases on my MySQL server is a file named databases (how original!). Here is the awk script which processes the file and creates another file (named database_backup) which contains commands to backup all the databases as specified above.
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I am using Linux (Fedora Core 6) on a pretty high end hardware (at least when I bought it) - Intel Core 2 Duo E6600 Conroe 2.4GHz (4M shared L2 Cache) with 2 GB DDR2 RAM, nVidia dual-head graphics card for over a year now. And yet a simple change made it at least 20-40% faster. Even my firefox (with 100+ tabs always open) feels much faster. So what is this magic change?

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How to overwrite your hard disk with random characters
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A common error while configuring (running ./configure) software in Linux systems is - error: C++ compiler cannot create executables. The solution, not surprisingly is simple:

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