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Server load, and keyboards

I have a server (LDAP and NFS) which occasionally seems to take a while to react. Load average is consistently high (10-12 for 4 CPUs, which AIUI means 2.5-3 per CPU); response may also be being affected by disk I/O.

PC-BSD 1.5 now out, adds 64-bit version

In the open source operating system world Linux gets most of the attention and many of the other free operating systems struggle to even get heard. One of these is PC-BSD, an open source OS based on the stable FreeBSD OS and today iXsystems announced the release of PC-BSD Edison, or version 1.5.

Play Windows games on Linux with PlayOnLinux

If you are an avid gamer, you probably dual-boot your favorite Linux distribution with Windows, because that's where you find most new cutting-edge games. But what if you could run your Windows games on Linux? PlayOnLinux is an open source Python-scripted front end that helps you install and play tons of Windows-only games -- and then some!

Zimbra Collaboration Suite Open Source Edition On CentOS

  • HowtoForge; By Chris Christensen (Posted by falko on Mar 13, 2008 9:33 AM EDT)
  • Story Type: Tutorial; Groups: Red Hat
This tutorial shows how to set up Zimbra Collaboration Suite - Open Source Edition on CentOS. This tutorial covers installation of CentOS, dependencies for ZCS and setup of Split DNS when working behind a firewall. This tutorial is based on the way I set this server up and is only a suggestion. It carries no guarantees and it is highly suggested that you do this on a test server first to verify functionality. If you don't have a test server available you should download VMWare Server 1.0 and perform this tutorial on a test virtual server.

This week at LWN: The rest of the vmsplice() exploit story

Back in February, LWN published a discussion of the vmsplice() exploit which showed how the failure to check permissions for a read operation led to a buffer overflow within the kernel. Subsequently, a linux-kernel reader pointed out that the article stopped short of a complete explanation: this is not an ordinary buffer overflow exploit. Travel schedules and such prevented the writing of an immediate followup, but your editor would still like to tell the full story. So this article picks up where the last one left off and describes how the vmsplice() exploit makes use of this buffer overflow to take over the system.

Terminator - Multiple GNOME terminals in one window

  • (Posted by gg234 on Mar 13, 2008 7:39 AM EDT)
  • Story Type: Tutorial; Groups: Ubuntu
This is a project to produce an efficient way of filling a large area of screen space with terminals. This is done by splitting the window into a resizeable grid of terminals. As such, you can produce a very flexible arrangements of terminals for different tasks

Tutorial: Mail Merge and Labels

The OpenOffice suite has come a long way since its birth as Star Office. It is no longer a self-contained monolith, but a nice normal Linux-style modular application that lets you choose the bits you want, and there are hundreds of bits to choose from. The main components are Writer, Calc (spreadsheet), Impress (slide show), Base (database), Math (equation editor), and Draw. It supports dozens of languages both in your own documents and the Help pages. Officially it runs on Linux, Solaris, Mac OS X, and FreeBSD.

Multi-Thread Run-time Analysis Tool for Java

Discover the Multi-Thread Run-time Analysis for Java that detects and analyzes potential data race and deadlock conditions that often occur in multi-threaded Java programs. Multi-threaded Programming is easy to use and provides both a command line interface and a GUI front-end in Eclipse.

Latest Firefox 3 beta offers exciting features

Firefox 3 is in testing, with the latest build, beta 4, released Monday. Mozilla is aiming for a final release of its flagship product before the end of the first quarter of 2008. Let's take a look at the changes coming down the pike. You can grab a copy of the latest Firefox 3 beta from Linux, Windows, and Mac OS X Universal Binaries are provided in more than 40 languages. The Linux version is a bzip2-compressed tar archive. You can unpack into any location on your system.

Architectural Decision Knowledge Wiki

Capture and share software architecture design rationale in complex application domains such as enterprise computing. This layered client-server architecture, Web 2.0 collaboration system, supports the cooperative decision-making work of software architects.

Creative Commons LiveContent DVD Delivers Free Content/Software

  • (Posted by rossendryv on Mar 13, 2008 3:05 AM EDT)
  • Story Type: Reviews
The Creative Commons recently released LiveContent 2.0 a Free Live DVD. We checked it out and wanted to give you an overview of what it’s all about. Basically, it’s a Fedora Live DVD with free and open source content that comes loaded with Creative Commons’ (CC) licensed material. CC allows creators like artists, scientists, authors, etc. to share their works with the world so that you can reuse and remix this work legally. Also included are all you favorite FOSS programs.

Manage Linux Storage with LVM and Smartctl

  • Enterprise Networking Planet; By Carla Schroder (Posted by tuxchick on Mar 13, 2008 2:18 AM EDT)
  • Story Type: Tutorial; Groups: Linux
LVM creates logical storage volumes, and allows you to increase the size of your volumes painlessly on live filesystems. Smartctl uses your hard disk's built-in Self-Monitoring, Analysis and Reporting Technology (SMART) to test its health, and to warn you of impending failures. SystemRescueCD and Knoppix CD both include LVM, mdadm, and smartmontools when you need an external repair or management disk.

RadeonHD Driver Introduces Major Changes

Following a period of relative inactivity in the xf86-video-radeonhd git tree over the past few weeks, this afternoon Novell's Egbert Eich had pushed forward 55 changes to this open-source R500/600 driver. The AMD Radeon HD 3400 and 3600 series are now supported and there are a number of other significant changes. The RV620/635 mode-setting support has required the most significant work since the R500 series, since all output blocks have been altered due to the introduced DisplayPort capabilities. We have already tested out this latest code and were left with a positive impression.

Review: Preventing Web Attacks with Apache

I've been studying Apache security lately and ran across a very good book on it written by Ryan Barnett called "Preventing Web Attacks with Apache". I am really impressed with this book that was published in 2006. Barnett covers things that I didn't even know existed in Apache before I started reading this. I have the O'Rielly book "Apache Security" and have to say that this book so far outstrips the O'Rielly book that it isn't even funny. To be fair "Apache Security" doesn't cover much to do with web application security, and the Barnett book covers it in depth.

Update: Novell's SuSE Linux Desktop Strategy

At first glance, Novell’s desktop Linux goals are humble. Novell insiders tell The VAR Guy they’d be pleased if SuSE Linux eventually captures 1 percent of the overall global desktop market. So, how is Novell’s desktop strategy performing so far — especially vs. Red Hat and Ubuntu? Here are key clues from two top Novell sources.

SFLC Rejects Microsoft's Open Specification Promise

  •; By Sean Michael Kerner (Posted by red5 on Mar 12, 2008 11:16 PM EDT)
  • Story Type: News Story; Groups: Microsoft
The Software Freedom Law Center (SFLC) has just come out with a scathing analysis of Microsoft's Open Specification Promise(OSP). In short, the SFLC concludes that the OSP still leaves developers with the potential for patent risk.

Akademy 2008 Call for Sponsorship

The organisers of Akademy 2008 are looking for sponsorship. Akademy is the KDE World Summit, this year taking place in Sint-Katelijne-Waver, Belgium in August. Sponsorship is an opportunity to promote your company or product to the developers, users, deployers and consultants who will attend the conference from around the world.

Three in race for Debian project leader

Three developers are in the running for the post of Debian project leader (DPL) this year, after nominations closed on March 9. The current leader, Sam Hocevar , is not among the three. Steve McIntyre is the seniormost of the three, having joined in 1996; he contested in 2006 and 2007 as well. Raphael Hertzog, who also ran in 2002 and 2007, has been part of the project since 1998 while Marc Brockschmidt, the youngest of the three, joined Debian in 2004.

OOXML: Standards for accepting standards

After the Ballot Resolution Meeting (BRM) of the International Standards Organisation (ISO) failed to resolve the differences around Microsoft's proposed OOXML standard, what happens next?

AjaXplorer simplifies browser-based server filesystem interaction

AjaXplorer presents a browser-based file explorer interface to your Web server using AJAX. It comes in handy when you want to allow non-technical people to also access your file server, possibly over the Internet. Most non-techies are familiar with the file explorer interface, so having one inside a browser window is easy to get used to.

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