Latest Articles

Recording Calls in FreePBX 2.5

by Alex Robar | August 2009 | Networking & Telephony Open Source

In this article by Alex Robar, we will learn about the call recording features of FreePBX. We will learn how to set up permanent or selective call recordings for specific extensions, conferences, or queues. We will discuss the various recording formats, general call recording options, recording calls, and finally maintaining call recordings using cron.

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Finding and Fixing Joomla! 1.5x Customization Problems

by Daniel Chapman | August 2009 | Joomla! Open Source Web Development

The more complex we make our site, the more likely it is that some sort of problem will occur. Because of this, it is vitally important for every one of us to get at least a basic understanding of how to diagnose, and preferably solve, any problems or bugs that we come across when building our site. Before we look at how to do that, we will cover some of the most common problems we may encounter when building and customizing our Joomla! sites, and why they occur. In this article by Daniel Chapman, we will be covering:

  • Understanding common errors
  • Common PHP related errors
  • Common JavaScript related errors
  • Common Server related errors
  • Hacking the Joomla! core—consequences and considerations
  • Getting Support—how to and etiquette
Read Finding and Fixing Joomla! 1.5x Customization Problems in full

Asterisk 1.4 – the Professional’s Guide: Foreword by Mark Spencer

by Mark Spencer | August 2009 | Networking & Telephony

This article is an extract from the forward written by Mark Spencer, Chairman and CTO of Digium, for the new Asterisk 1.4 – the Professional’s Guide book. Here he talks about the development of Asterisk and shares his hope of the future with the readers.

"The growth of the project over the years has stunned and pleased me, and it's amazing that well-written and comprehensive books like this now exist to help more advanced users navigate the waters of larger and more complex Asterisk installations......
......The motto of "There's more than one way to do it!" is almost always true with Asterisk—this book seems to contain an excellent cross-section of at least one of those ways to do "it" (whatever "it" happens to be for your application) and you'll quickly think of many other ways once you've mastered the methods shown."

Read Asterisk 1.4 – the Professional’s Guide: Foreword by Mark Spencer in full

Designing the Target Structure in Oracle Warehouse Builder 11g

by Bob Griesemer | August 2009 | Oracle

In this article by Bob Griesemer, we will learn about designing the target structure in Oracle Warehouse Builder. We will discuss about data warehouse design, implementation of dimensional model in a database, designing the ACME data warehouse, and also OWB design objects.

Read Designing the Target Structure in Oracle Warehouse Builder 11g in full

Maintaining, Optimizing and Upgrading Your Site in Drupal 6: Part 1

by Mark Noble | August 2009 | Drupal Open Source

In this two-part article by Mark Noble, we will explore various maintenance tasks to keep our site operating at peak performance. We will begin by discussing how to back up our web site and then restore it again, to protect it against hardware failures or malicious users. Next, we will discuss performance tuning to ensure that your site can meet any level of traffic demand. Finally, we will review managing and moderating content. At the end of the article, you will be prepared to publish your web site to the world, knowing that you are prepared for anything.

Read Maintaining, Optimizing and Upgrading Your Site in Drupal 6: Part 1 in full
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