SAN MATEO, Calif.–Spurred by customer demand, Zimbra has completed a version of its open-source calendar and e-mail server software for Canonical’s Ubuntu version of Linux. Zimbra offers two versions of its server software, the free Open-Source Edition and the certified, supported and fuller-feature derivative called the Network Edition for paying customers. The Network Edition previously [...]

How to install KISS Firewall Brief Summary KISS My Firewall is a FREE iptables script designed for a typical web server. It takes advantage of the latest firewall technologies including stateful packet inspection and connection tracking. It also contains some preventative measures for port scanning, DoS attacks, and IP spoofing, among other things. KISS My [...]

One of the reasons that vendors enjoy almost guaranteed success is that there are many advantages to Voice over IP phone service and not many negatives. People only have to hear about the great rates that are involved and the simplicity of getting connected to this technology and they are ready to convert their phone [...]

Lively feels more like a Google Talk-powered chat room with 3-D camera controls than an immersive environment like Second Life. Google (NSDQ: GOOG) on Tuesday launched a Web-based virtual world called Lively as a way to make the social Web more dynamic. “The Lively team wants to help people experience another dimension of the Web,” [...]

The challenge of using electronic tools to supplement human memory has been addressed by a BCS Thought Leadership debate on assistive memory technologies. IT leaders at the debate heard that digital technology is being used in developing new memory aids. The use of these devices is in its early stages, but in future memory aid [...]

Build and Design Sony’s designers worked overtime to make the TZ not only an ultra portable notebook, but to make it an ultra portable notebook that looks good. Lines match up, panel thicknesses stay the same, hinges are molded into body with the battery, AC plug, and power button integrated, and it’s topped off with [...]

Hyper-V, a key feature of Windows Server 2008, has now released to manufacturing (RTM) and is available for deployment into production environments. A beta of Hyper-V was included with Windows Server 2008 and this update provides the final release.  Server virtualization, also known as hardware virtualization, is a hot topic in the IT world because [...]

The world wide web is the unrestricted interconnection of computers all over the world. It came into existence because its designers wanted to share information from distant places. It has expanded from sharing information into a place where business thrives. Hence, you can buy just about anything on the internet. It has also been used [...]

Introduction to the Linux kernel Now on to a high-altitude look at the GNU/Linux operating system architecture. You can think about an operating system from two levels, as shown in Figure 2. Figure 2. The fundamental architecture of the GNU/Linux operating system At the top is the user, or application, space. This is where the [...]