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Ibrahim Haddad

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Top Stories by Ibrahim Haddad

(SYS-CON Media) - Since the beginning of the software industry, nearly every software company in the world has followed the same business model: its own employees develop the software, which is closely held intellectual property, the software is delivered to clients in binary form, and users run the licensed software on their own computers. Today, this model has been challenged by a new paradigm: open source. Developed and maintained by volunteers across the world, distributed to users at no cost, and available as source code, open source software is radically different from its proprietary counterpart. Each of the new characteristics of open source software forces organizations to develop new ways of thinking about how they procure, implement, test, and deploy it. Accessible without cost, open source software is created under conditions very different from commerci... (more)

Server Features in the Linux Kernel

There is a lot of ongoing work to make the Linux kernel a viable operating system option for platforms running mission-critical applications. However, there is still some work to be done with respect to supporting new features. This article addresses some needed features and mechanisms in the Linux kernel - features that are necessary in server nodes operating in mission-critical environments. Such environments include telecom, where reliability, performance, availability, and security are extremely important. The focus is on four features: a cluster communication protocol, suppor... (more)

At Last, You Have Alternatives: Switch to Firefox and Thunderbird

Firefox and Thunderbird are Open Source products that are made available by the Mozilla Foundation. Open Source development lets anyone who wants to to examine the source code, or if they wish, to modify it. There are a number of advantages to Open Source development, including the fact that many people look at the code every day, which results in better responsiveness as bugs are uncovered. This dynamic development community is able to provide continual feedback to make the product better, paving the way for a better browsing and e-mail experience for everyone. We met with Marc... (more)

"Secure Coding in C and C++" A Linux.SYS-CON.com Interview With Robert Seacord

Robert C. Seacord, a senior vulnerability analyst at the CERT/Coordination Center at Carnegie Mellon University, has just published the book Secure Coding in C and C++ (Addison-Wesley, 2005). I sat down with him to discuss software security in the Linux environment and elsewhere. LWM: There's an ongoing debate over whether Linux is more secure than Windows. Some people argue that since Linux's source code is freely available, it makes it easy for hackers to implement hacks and break into Linux systems, whereas this becomes more difficult with proprietary operating systems. What'... (more)

Toward Highly Available Linux Clusters

This article describes the HA-OSCAR architecture and features, and demonstrates how to set up a highly available Linux cluster using the first beta release of HA-OSCAR version 1.0. Introduction In 2002, Ibrahim Haddad, Chokchai Leangsuksun, and Stephen L. Scott established the HA-OSCAR (High Availability OSCAR) project with a primary goal of leveraging the existing OSCAR (Open Source Cluster Application Resources) technology while providing high-availability and scalability capabilities for Linux clusters. The OCG (Open Cluster Group) recognized the project as an official workin... (more)