Welcome!


Features

The latest technology buzz, after the Internet, telecom, and mobile, is cloud computing. Hype or not, in various names and forms, cloud computing providers – platforms and applications alike – are counting on more than $40 billion in revenue in 2011 alone, growing to more than $241 bil...
Virtualization has been widely accepted as a technique to conserve resources. Virtualization is the process of running a guest operating system on a virtual machine, which is created in a virtualizer running on the host operating system. Large companies do not have to install 100 diffe...
The OSGi framework is a popular platform for developing multifunctional desktop systems, enterprise systems and complex applications. OSGi uses a modular approach where each bundle is regarded as a relatively independent and separate unit. The framework controls maintenance-based tas...
The Linux operating system materialized through the work of Linus Torvalds, a Finnish student who introduced the first release in 1991 as an open source version of UNIX for x86 PCs. Although it wasn’t the first open source version of UNIX, the unique advantages of Linux soon attracted ...
In recent years, web development and deployment has become extremely fast and easy with the usage of open source software development tools and frameworks. The usage of open source software has reduced capital and operating expenses for web startups to a greater extend that there is a...
Applications are increasingly being made available over the Internet. Several applications have a large user base that produces a huge volume of data, for example, content in a community portal, emails in a web-based email system, and call log files generated at call centers. Due to a ...
Data virtualization has become a hot topic as enterprises and government agencies add this maturing technology to their data integration toolkits in pursuit of greater IT agility and lower costs. Rising key performance indicators (KPIs) for both demand and supply clearly tell this st...
The relevance of Open Source Mentality in software development and applications is reviewed. Applying this mentality to science, technology, agriculture, etc. will speed up development in Africa. Africans and their friends will have to adapt to this type of thinking for growth.
Cloud Computing Journal recently caught up with Pete Malcolm, CEO of cloud management innovators Abiquo - a major new player in the fast-emerging Cloud ecosystem and Platinum Plus Sponsor of 6th Cloud Expo being held in Prague, the Czech Republic, 21-22 June 2010. Malcolm is keynoti...
Integrated Windows Authentication (IWA) provides a user-friendly interface for single sign-on. IWA uses ‘Simple and Protected GSSAPI Negotiation Mechanism’ (SPNEGO) to allow the initiators and acceptors to negotiate the underlying protocol to be used for authentication. In this article...
In Part 1 of this tutorial, I showed how to set up a web project and connect to a database. In this step, you will use the Data Source Explorer to browse database artifacts. You may need to re-open the JPA perspective. In the Data Source Explorer, expand the nodes inside the New Oracl...

 

Abstract

There are many different types of command line options that programs need to recognize. Many languages (e.g.: bash and perl) has built-in processing of command line options; Java does not. The Java Command Line Options (JCLO) package performs this task for a va...

Most enterprise technologists should see a continued payoff of the hard work in planning, architecture, documentation, development and configuration work that has been occurring over the last several years.  Enterprise technologists were building Service Oriented Architectures (SOA) lo...
According to a Smart Enterprise Magazine CIO report, three-quarters of today's CIOs help their companies develop new products or services. Gartner Group's 2008 Worldwide Survey of CIOs, 85 percent of CIOs are now looking toward "IT to make the difference in their enterprise strategy." ...
In 2008, the open source community saw the year end with a headline-catching lawsuit, the Free Software Foundation files suit against Cisco for General Public License (GPL) violations. Not to be outdone, 2009 also ended with a bang. Best Buy, Samsung, JVC and 11 other consumer electron...
This article discusses Open Source compliance and the challenges faced when establishing a compliance program, provides an overview of best practices, and offers recommendations on how to deal with compliance inquiries.
Adopting an open source tool for SOA testing seems the simplest, most cost effective choice for developers and testers early on. However, you should plan and consider the implications of a longer term strategy with an open source testing tool. There are many aspects of service testing ...
We are in the midst of the virtualization era. In fact, VMWare reports that all Fortune 100 companies are using their virtualized data network products, as well as more than 90 percent of Fortune 1000 companies, and Yankee Group’s 2008-2009 Global Virtualization Deployment and Usage Su...
The garbage collector is primarily responsible as a collector to reclaim objects that are no longer used by the application. This is an automatic memory management invented by McCarthy. The garbage collector collects unreferenced objects, objects that are not reached by the reference c...
In 1998, a little-known company called VMware had just opened the doors of its Palo Alto office. Ever since computing moved from the mainframe to the desktop, the push had been bigger, faster, and more – more CPUs, more servers, more power, more cooling – and ultimately more complexity...
Steve Jobs once said that Java is a big heavyweight ball and chain. Good news: the ball is now optional! In this article, I share results we achieved after implementing a component deployment model, also known as JRE modularity, for the core of J2SE 5.0 and Java SE 6. The technology's ...
These days the popularity of Ext JS (a JavaScript library) is gaining momentum. One of the most popular widgets within Ext JS is the DataGrid. The reason – displaying data from a database is one of the most common tasks of a web application. “Out of the box” the DataGrid has functional...
WS-BPEL 2.0 is the dominant specification to standardize orchestration logic and process automation between Web services. The BPEL model is used to assemble a set of discrete, essentially disparate, services into an end-to-end process flow to transform the existing stateless and uncorr...
Now we have a Eucalyptus' Private Cloud installed and running on our premise, and it remained kinda of an artifact in our data-center for sometime. So I thought why has not someone written anything about how make to make Elasticfox work with Eucalyptus. But there were quite a few point...
Plone and Drupal are two leading open source Content Management Systems (CMS). Both were recognized in the 2009 Open Source CMS awards, run by Packt Publishing. Both also have large installed bases and large developer communities. This is made evident by some quick searching on Googl...
When it comes to defining Cloud Computing I typically take the stance of "I know it when I see it". Although I'm half joking, being able to spot an Internet centric platform or infrastructure is fairly self evident for the most part. But when it comes to an "OpenCloud API" things get a...
It’s no secret what’s driving the move to virtualization in data centers. The demand for new and expanded software systems is growing, but the geographic and carbon footprint required for scaling underutilized dedicated servers is too costly on many levels. This issue has led to the ma...
This article describes a method to use a perl debugger on trigger scripts without advanced interprocess debugging tools. Using a perl debugger with a V4.x server side trigger launched by the server is very difficult and encounters two known obstacles: The server will fire the tri...
Cloud computing is slowly gaining credibility and traction in the enterprise world. As giants such as Google and Amazon productize their massive cloud infrastructures, moving enterprise applications to the public cloud seems a more realistic possibility. The advantages of an enterprise...
In today’s economy, an enterprise must have strong financial motives for transitioning to SOA. SOA’s superior technical capabilities are a strong motive for information technology professionals to make that transition. However, enterprise stakeholders are motivated by solid investment ...
This article explains how an Open Source SOA Roadmap can use a typical Web application project’s funding as the basis for a successful SOA transition effort. It is the first of three articles that explains how open source technologies and techniques can be leveraged to successfully del...
I plan to make this the first of a series of articles that discuss the new features in PowerBuilder 11.5, which was released late last year. Of course, they won’t be the first articles we’ve run on the topic, as we ran an article on the new Code Access Security features back even befor...
“What would you think if I told you that you can develop a web application at least ten times faster with Rails than you can with a typical Java framework?” Oops! Ten times faster! Well, after these comments I decided to learn Ruby on Rails. I need to know the true key of the productiv...
A service inventory is a living body of services that individually will need the freedom to evolve independently over time. What we learned when documenting the SOA design pattern catalog is that there are patterns that emerged not only at design-time but also during this post-implemen...
Why developers want the software to be open sourced? I like quotes by great minds. Here's my favorite quote by Henry Ford: If you think you can do a thing or think you can't do a thing, you're right. Some of these chapters of our upcoming O'Reilly book "Enterprise Development with Flex...
A key task in the scope of Content Management, is Content Modeling - this is when you get raw content to fit into some common model of types and elements. Once defined, the types and their elements fit into a hierarchy (A.K.A - Taxonomy or "Content Tree"). To break this down a little f...
With a global recession looming, software development managers are being asked to slash resource budgets in 2009 while maintaining schedules. When you need to deliver more features with fewer coding resources, there is only one answer: hybrid development. Hybrid software development in...
High-performance databases are optimized for transaction processing and used by several industries around the world, notably financial services and health care. They are more commonly available on 32-bit Unix platforms (Solaris, AIX, HP-UX, and Linux). The trend is to 64-bit-enable the...
The open source community includes many early advocates of the recent wave of emerging SOA-related technology projects. Historically, however, open source has sometimes been considered a "late follower," with commercial products first to hit the market, and then followed by "me-too" op...
Any large Java source base can have insidious and subtle bugs. Every experienced Java programmer knows that finding and fixing these bugs can be difficult and costly. Fortunately, there are a large number of free open source Java tools available that can be used to find and fix defects...