Debian 5.0 Lenny, finally released: After 22 months of vigorous development and testing, the Debian Project released the Debian GNU/Linux version 5.0 (codenamed ‘Lenny’) on February 14. Tis OS runs on computers ranging from palmtops and hand-held systems to supercomputers, and on nearly everything in between. It ofcially supports 12 processor architectures—Sun SPARC, HP Alpha, Motorola/IBM PowerPC, Intel IA-32, IA-64, HP PA-RISC, MIPS, ARM, IBM S/390, and AMD64 and Intel EM64T. Debian GNU/Linux 5.0 Lenny adds support for Marvell’s Orion platform, which is used in many storage devices. Tose supported include the QNAP Turbo Station series, HP Media Vault mv2120, and Bufalo Kurobox Pro. Additionally, Lenny now supports several Netbooks, in particular, the Eee PC by Asus. It also contains the build tools for Emdebian, which allow Debian source packages to be cross-built and shrunk to suit embedded ARM systems.Debian GNU/Linux 5.0 Lenny includes the new ARM EABI port, ‘armel’. Tis new port provides a more efcient use of both current and future ARM processors. As a result, the old ARM port has now been deprecated.Tis release includes numerous updated software packages, such as the K Desktop Environment 3.5.10 (KDE), an updated version of the GNOME desktop environment 2.22.2, the Xfce 4.4.2 desktop environment, LXDE 0.3.2.1, the GNUstep desktop 7.3, X.Org 7.3, OpenOfce.org 2.4.1, GIMP 2.4.7 and Iceweasel 3.0.6 (an unbranded version of Mozilla Firefox).It also includes Icedove 2.0.0.19 (an unbranded version of Mozilla Tunderbird), PostgreSQL 8.3.6, MySQL 5.0.51a, GNU Compiler Collection 4.3.2, Linux kernel version 2.6.26, Apache 2.2.9, Samba 3.2.5, Python 2.5.2 and 2.4.6, Perl 5.10.0, PHP 5.2.6, Asterisk 1.4.21.2, Emacs 22, Inkscape 0.46, Nagios 3.06, Xen Hypervisor 3.2.1 (dom0 as well as domU support), OpenJDK 6b11, and more than 23,000 other ready-to-use software packages (built from over 12,000 source packages).With the integration of X.Org 7.3, the X server auto-confgures itself with most hardware. Newly introduced packages allow the full support of NTFS flesystems and the use of most multimedia keys out-of-the-box. Support for Adobe Flash format fles is available via the swfdec or Gnash plug-ins. Overall improvements for notebooks have been introduced, such as out-of-the-box support for CPU frequency scaling. For more information on the latest release, and in order to download the OS, visit www.debian.org
A stable v 2.6.26-based RT Linux released: Te Open Source Automation Development Lab (OSADL) has announced that the ‘latest stable’ version (2.6.26-8-rt16) of real-time mainline Linux (a.k.a PREEMPT_RT) is now based on kernel version 2.6.26, after successfully testing it in a wide variety of kernel confgurations and on many diferent platforms. Apart from maintenance fxes, the ‘latest stable’ version incorporates two signifcant features: device tree support and improved kernel cache management of the video bufer. According to the release information, the device tree is, “…a (simple) fat data structure containing information about the devices of a given computer board. Te device tree source (DTS) is compiled using the device tree compiler (DTC), and the resulting device tree binary (DTB) is integrated into the boot image. Te device tree facilitates board confguration and is required for the merging of the two PPC architecture implementations,ppc and powerpc.”The improved kernel cache management of the video buffer, on the other hand, “…makes it possible for the first time to use hardware-accelerated graphics in a real-time system without any side effects of graphics operations on the real-time capabilities of the system. There is only a minor restriction: some latencies in the range of several milliseconds, occur when the graphics board is initialised for the first time. Later on, switching to and from graphics or even restarting the X server does not produce any more latencies. Since the initialisation of the graphics board can be done at boot time before the real-time critical application is started, this restriction is normally not significant.” For more details visit www.osadl.org
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