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Linux: Improving kswapd

"The current VM can get itself into trouble fairly easily on systems with a small ZONE_HIGHMEM, which is common on i686 computers with 1GB of memory," Rik van Riel said explaining a small patch to cmscan.c. He continued, "on one side, page_alloc() will allocate down to zone->pages_low, while on the other side, kswapd() and balance_pgdat() will try to free memory from every zone, until every zone has more free pages than zone->pages_high." He noted that highmem could be filled up with "page tables, ramfs, vmalloc allocations and other unswappable things quite easily and without many bad side effects, since we still have a huge ZONE_NORMAL to do future allocations from. However, as long as the number of free pages in the highmem zone is below zone->pages_high, kswapd will continue swapping things out from ZONE_NORMAL, too! Sami Farin managed to get his system into a stage where kswapd had freed about 700MB of low memory and was still 'going strong'."

A quick guide to DVD authoring

If you have video footage that you want to capture, edit, and share with friends or family (or even use professionally), you'll be happy to know that you can do it all with open source tools. I'll show you how to author a DVD that can play on most home players.

.NET to LINUX conversion

Last weekend, we completed the move from .NET ASP to LINUX/PHP. We did this to take advantage and contribute to the open source community and to prepare for scalability down the road.

[Performance improvement table is included - Abe]

KDE 4.0 Release Schedule Revised

The KDE Release Team has revised the release schedule for KDE 4.0. The first visible bits of KDE 4.0 will be the KDE Development Platform release on October, 30. This Development Platform release consists of bits and pieces needed to develop KDE applications. It includes kdesupport, kdelibs, kdepimlibs and kdebase/runtime. The purpose of the KDE Development Platform release is to make it easier for third party developers to port their applications to KDE4 technology and to start developing new applications. The final and long awaited release of the KDE Desktop 4.0 is planned for December, 11th 2007, well in time to be a Christmas present for everyone who has been longing for KDE 4.0.

Mozilla offers open-source Eudora beta

The Mozilla Foundation has released the first beta version of the revised Eudora e-mail application, since Qualcomm stopped developing it commercially and turned it over to the open source community in 2006.

Linux-based SLUG spawns highly hackable NAS

Cisco's consumer products division is shipping a successor to the Linux-based NSLU2 (aka "SLUG") consumer NAS (network-attached storage) appliance, one of the most-hacked devices ever. The NAS200 has room for two internal SATA drives, supports FAT32-formatted external USB 2.0 drives, and comes with UPnP media-sharing software.

Libregamewiki - The Free Software Game Wiki

Hey guys! The Libregamewiki (which I run), the Free gaming encyclopedia are looking for contributors for the wiki project. The wiki launched a few weeks ago and it need your help! So far, we have over 100 articles, 1,400 edits and we're not even close to reaching Wikipedia standard. It is an attempt to comprehensively document the world of Free gaming. In the process, we're collecting information that nobody collect before like the biographies of game hackers who make the games we know and love like David White of Battle for Wesnoth. There are also contests(such as Pyweek) and games that never got their own article in Wikipedia or shortly delete afterward.

[Is it me, or is there a lot more FOSS gaming news/activity lately? – Sander]

Red Hat lands big customers

Red Hat is continuing to land big, fat contracts for its Red Hat Enterprise Linux server. This week saw major deals with the French Ministry for Education and the Swedish Association of the Pharmaceutical Industry. In the first deal, the French Ministry for Education migrated 2,500 servers across its 30 local education authorities to RHEL. Red Hat followed up this announcement with news of another major European deal., the main medicines portal run by the LIF (Swedish Association of the Pharmaceutical Industry), has migrated its servers from Sun Solaris to RHEL.

Samba 4 Moves Closer to Active Directory Server Compatibility

  • Linux Watch; By Steven J. Vaughan-Nichols (Posted by Sander_Marechal on Sep 7, 2007 7:06 AM EDT)
  • Story Type: News Story; Groups:
For years, if you wanted an inexpensive, but Windows-compatible file and print server, you turned to Samba running on Linux. Now, with the first alpha release of Samba 4, this open-source project is moving closer to becoming a complete Windows 2003/Longhorn replacement. However, the Samba Group warns would-be users that, "Samba 4 is currently not yet in a state where it is usable in production environments. Note the WARNINGS in WHATSNEW.txt in the source and the STATUS file which aims to document what should and should not work."

Microsoft licensing denounced by open-source proponents

Five years after being pegged a monopolist, Microsoft is coming under scrutiny for efforts to license its proprietary technology in accordance with antitrust legal demands from U.S. and European regulators. The Microsoft Communications Protocol Program (MCPP) was envisioned as a way to encourage competition and promote interoperability between Microsoft's products and Unix, Linux and open source applications. Whether the licensing program has worked as planned is a topic of hot debate, and the U.S. District Court in Washington plans to take up the subject for review on Sept 11.

Linux Community Chuckles at Slowdown Prediction

A survey by the investment banking and securities firm UBS found that fewer CIOs will deploy Linux than in the past, but the results are being met with shrugs in the Linux community. A slowdown is often viewed as a natural event in market dynamics, a maturing of a technology. "This is not a bad thing," said Clay Ryder, president of the Sageza Group. Linux uptake had been on a tear, Ryder said. The momentum continued as business buyers increasingly saw its value.

Bruce Perens: Innovation Goes Public

Bruce Perens is here for the second keynote of the evening. I spoke to Bruce on IT Conversations last March when he was last in Utah to protest the Novell/Microsoft deal. Bruce is not only interesting to listen to, but entertaining as well. Bruce gives an intro about why he got excited about open source. As I mentioned, Bruce has criticized Novell in the past (and will today). The conference is being held at Novell, but the security folks haven’t thrown him out yet.

Download AIX 6 Workload Partition and Live App Mobility

Workload Partition (WPAR) is a new feature introduced with the IBM AIX Version 6.1 operating system. It allows running applications to move between System p machines or System p logical partitions (LPAR).

European Union sponsors new FOSS education portal

Heavily funded by the European Union, the Science, Education, and Learning in Freedom (SELF) consortium launched the beta version of its site this week with the motto,"Be SELFish, share your knowledge!" By the end of the year, SELF hopes to develop into the Wikipedia of free learning materials, with a heavy emphasis on material about open standards and free and open source software (FOSS). All contributions, says David Megías, a Lecturer at the University of Catalonia and one of the SELF's organizers, will be"encouraged and accepted, unless they have to be removed for legal reasons." The twist here is that all contributions will be evaluated by the community, so that users can assess the quality of the materials that they are using.

Palm shakes hands with Linux

I decided that I needed the Palm back in my life. I can maybe steal a minute or two hear and there to write, and if I use pen and paper, chances are whatever it is will never make it into print/online because things change and what I wrote is no longer up to the minute. My Palm Tungsten E had gone totally dead. I had to restore everything with a sync, and by some kind of magic, my Palm infrared keyboard suddenly started working again. So it was time to get the Palm and Linux talking to each other.

KDE 4.0 Beta 2 Released, Codename "Cartoffel"

The KDE Community proudly presents the second Beta release for KDE 4.0. This release marks the beginning of the feature freeze and the stabilization of the current codebase. Simultaneously the KOffice developers have announced their third Alpha release, marking significant improvements in this innovative office suite. Both KDE and KOffice have benefited from the Google Summer of Code, as most resulting code has now been merged.

o3 magazine: Issue 8 :: Enterprise Email Solutions now available

Issue 8 of o3 magazine is now available. This issue provides an end to end guide for building enterprise grade email systems using FOSS. o3 magazine is a FREE digital magazine, published twice a month in PDF format.

A look at VMware Fusion

If you're a Linux user who's just been issued an Apple computer, you might want to look into a virtualization solution for Mac OS X. VMware's Fusion, which was officially released from beta at the beginning of the month, works well for running Linux (or other x86/AMD64 OSes) on the Mac desktop, and provides a great solution for multi-OS users who need simultaneous access to all their operating systems on the same machine.

Australia To Join Mandriva Partner Ecosystem

Pursuing its strategy of developing a large international network of local partners, Mandriva today announces the launch of Mandriva Australia as the sole Australian partner for Mandriva SA, distributing and supporting Mandriva Linux operating systems.

It's official: ATI Radeon drivers to be open sourced

AMD briefed this morning on a pending announcement regarding the open sourcing of drivers for ATI graphics cards. It's official -- AMD will make code and specifications for ATI graphics cards available on the Internet on September 10.

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