Thursday, February 10, 2011

Debian 6.0 Squeeze is finally released

After more than two long years of constant developement, changes, last-minute modifications and many improvements, Debian Squeeze version 6.0 has finally been released today. This new kernel release comes with many updates and new features, and it includes the KDE Plasma Desktop and Applications, the Debian GNOME, Xfce and the LXDE desktop environment.

Debian's new release of its operating system also features some new server applications, numerous updated software packages, about 10,420 new packages like the new Chromium browser, server monitoring solution Icinga and a bit more.

Debian 6.0 (dubbed 'Squeeze') introduces a few technical previews of two new ports to the Linux kernel of the FreeBSD project using the known Debian/GNU userland: Debian GNU/kFreeBSD for the 32-bit PC (kfreebsd-i386) and the 64-bit PC (kfreebsd-amd64).

These ports are the first ones ever to be included in a new Debian release which are not based on the Linux kernel. The support of common server software is strong and combines the existing features of Linux-based Debian versions with the unique features known from the BSD world. But for this release these new ports are limited.

For example, some advanced desktop features are not yet supported. Another first is the completely free Linux kernel, which no longer contains problematic firmware files. These were split out into separate packages and moved out of the Debian main archive into the non-free area of our archive, which is not enabled by default.

In that manner Debian users have the possibility of running a completely new and free operating system, but may still choose to use non-free firmware files if necessary. Firmware files needed during the initial installation may be loaded by the installation system. Special CD images and tarballs for USB-based installations are available as well.

More information about this may be found in the Debian Firmware wiki page.

Debian 6.0 "Squeeze" introduces a dependency-based boot system, making system reboots faster and more robust due to parallel execution of boot scripts and correct dependency tracking between them. Various other changes make Debian more suitable for small form factor notebooks as well, like the introduction of the KDE Plasma Netbook shell."

Linux system integrator and open source vendor Red Hat is updating its JBoss Enterprise Portal Platform with its new 5.1 version. The news follow the 5.0 release which came out in June of 2010, and provides several new enhancements to help large businesses with workflow and open source application management.

The new Site Publisher add-on technology was included as a technical preview in the 5.0 portal release and with 5.1 is now a fully supported technology. With the new capabilities, Red Hat is aiming to further improve portal usability for enterprise users.

The Site Publisher technology has its roots in an open source effort led by web content manager vendor eXo.

"What we do at Red Hat is we take the eXo project and bring it in-house and put it through our productization process," said Jason Andersen, senior product manager at Red Hat. "We make sure everything works correctly, get the performance in line, get the documentation work done and then we bring it to market as a Red Hat product."

Andersen explained that Site Publisher is all about the idea of authoring content. He noted that with the Enterprise Portal Platform, users previously could have taken content and wrapped it up into a portlet. In contrast, Site Publisher provides a business user author interface that easily enables users to author content and then upload it to the portal.

"What it also gives us the ability to do is to have a lot of richness around how content is presented on the page," Andersen added.

Anderson noted that new page templates in Site Publisher make it easier for enterprise users to understand and format content. Additionally, Anderson said that in Enterprise Portal Platform 5.1, Red Hat has provided enhanced enterprise features for Site Publisher over what had been in the 5.0 release.

"There is a much better set of capabilities around internationalization and handling translated content," Andersen said.

The 5.1 release also includes a new technical preview of a content staging feature. Andersen noted that a challenge with embedded web content management systems is that users are often working on a piece of content that is live on the production server.

The content staging feature enables a new workflow process that can isolate content for approval before it goes live.

Another key area for enteprise technology users today is with mobile access. Anderson said that Red Hat has partnerships in place for the mobile enablement of Enterprise Portal Platform. Just don't expect an iPhone or Android app from Red Hat directly though, as that will certainly have to take more time.

"We're not specifically building those applications, it's more of a partnership and certification process for now," Andersen said.

JBoss Enterprise Application Platform (EAP) integrates the powerful JBoss Seam Framework which offers a wide set of Java Annotations that enable app developers to enhance their existing POJOs with the Web application and middleware services they need.

The use of Java Annotations focuses application developers on business logic rather than enterprise Java boilerplate code, greatly improving productivity and streamlining the development, compilation, and deployment cycles altogether.

JBoss Seam is an application framework that complements and extends the EJB 3, JSF and RichFaces component models by providing declarative application state management for all Java components. JBoss Seam components are stateful and contextual, with a well-defined container-managed lifecycle.

That approach helps solve an entire class of software bugs and performance problems that plague Internet applications that manage state manually.
JBoss Seam fully integrates JBoss jBPM into this state management architecture, making it easier than ever to write applications with complex workflows and user interactions.

JavaServer Faces (JSF) is a Web application framework for developing feature-rich user interfaces. Part of the Java EE 5 specification, JSF provides a standard for building dynamic, server side user interfaces.

By clearly defining a separation between application logic and presentation, JSF makes it easy for developers to connect the presentation layer to the application code.

JBoss EAP provides full support for JSF and includes RichFaces, a rich component library for JSF and advanced framework for easily integrating AJAX capabilities into business applications. RichFaces components come ready to use out-of-the-box, so applications developers can save time creating Web applications that provide a greatly improved user experience.

RichFaces includes strong support for the skinnability of JSF applications. RichFaces also takes full advantage of the benefits of the JSF framework including lifecycle, validation, and conversion facilities, along with the management of static and dynamic resources.

Source: Debian.

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