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The openssl application that ships with the OpenSSL libraries can perform a wide range of crypto operations. This HOWTO provides some cookbook-style recipes for using it.

All of the free CSS templates provided on this website are licensed under a Creative Commons Attribution 2.5 License, so they are free to use for both commercial and noncommercial purposes provided you link back to FreeCSSTemplates.org .

Sendmail has always been a bit like 'black magic' that works best when left to it's own devices. The rising tide of spam emails however is causing trouble that sometimes requires intervention to track down the cause of mail jams and sometimes even to manually remove emails from the server...

Nice reference list of awk one-liners!

Tutorial to walk through every step to create an extended user profile in Drupal.

"A big part of any social networking site is the user profiles. Profiles let your users get to know each other and put a face on the anonymous internet. They can be basic, with little more than name, join date, and a few facts, or elaborate and complex. It all depends on the needs of your community. While the core profile module works for simple profiles, no one module will create a complex profile like I have on CRO. Instead, we start with a base module and link other contribs to it..."

How to install and configure Trac and SVN on CentOS 4.

Very useful sed one liners...

50 great tips and tricks on Drupal that include:

• Drupal admin and configuration
  
• Drupal.org
  
• Theming
  
• Views
  
• JavaScript
  
• Drupal Development and Coding

There are other great tips on Drupal development on the site. Definitely check it out!

Good source for tutorials and source code examples...

Oracle Tips by Burleson

1. Open the cursor.
2. Start a loop.
3. Fetch a row of data.
4. Check for a new row, exit if not.
5. Process the data.
6. End the loop.
7. Close the cursor.

Since these steps are almost always followed, Oracle provides a way to let PL/SQL perform most of the steps. This is called the CURSOR FOR loop. As in the name, it uses a FOR loop to process the cursor...