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Uli takes on buffer overflow

Get to know a little about stack exploits in the first of two films featuring Uli Drepper. Find out how stack buffer overflows work, the vulnerabilities abused by such attacks, and a security implementation that can stop the attack before it even begins. We’re also offering up an extended version of the talk–available as a podcast–for those of you on the go. And join us next time, where we’ll hear from Uli about more exotic attacks and other types of security measures.

Hypercard tool gets Linux leg up

Runtime Revolution has released a beta version of its Hypercard-like cross-platform development tool with upgraded Linux support. Version 2.9 of the tool is the first version to offer full Linux support since version 2.6.1 was released in October 2005.

Make your Thunderbird start page a wiki

Every time you launch Thunderbird, you are greeted by a generic start page (unless you've turned that option off). Most of us don't pay much attention to it and navigate straight to the Inbox without giving it a second thought. The start screen is just a simple HTML page, which Thunderbird fetches from the address specified in the application's preferences. Knowing that, you can replace it with something more useful, such as the URL of your Web site or blog -- or you can take it a step further and turn the start screen into a tool that can help to manage your ideas, notes, to-do lists, and more.

Assorted notes

I saw this article today about rebooting a frozen system without having to hit the power button, which looks like it might be useful. We do have this happen once in a while - usually for no readily apparent reason, and since I tend to go by the “once is an anomaly, twice in quick succession is time to investigate” rule, I confess I don’t look too hard.

MH: Oregon RHIO Planning Effort Comes to a Halt

Modern Health care isreporting that the Oregon RHIO planning has come to a halt:"The health plans were willing to pay, but the hospitals thought it was a more challenging venture," Gibson said. The project did not get funded because"it lacked a sustainable business model. If you look carefully at his (Witter's) business plan, sustainable operation was way off in the future. He just said in year five or beyond, there would be services that might be salable. You still had the first few years that might not be sustainable." Gibson also said that there were some concerns about what he called"adoption risk" with a system designed to find patient information using a record-locator service and a Web-based interface with participants' IT systems."You're asking doctors to break out of whatever work flow they're in and going out to a Web site," Gibson said."You have a risk that doctors might not use it. Once everybody has an EMR and once that data comes automatically into an EMR, that’s different. But that’s not what we proposed."

Cybersquatter storms the Bastille (Linux)

Downloads of Bastille Linux have always been offered through SourceForge, with serving more as a store-front than as a primary download location. The change of ownership of the site came to light only after duty staff at the Internet Storm Centre followed up a tip that something was amiss.

Installing Ubuntu From A Windows System With Wubi

  • HowtoForge; By Falko Timme (Posted by falko on Sep 13, 2007 8:06 PM EDT)
  • Story Type: Tutorial; Groups: Ubuntu
Wubi is an Ubuntu installer for Windows that lets you install and uninstall Ubuntu from a Windows desktop. Wubi adds an entry to the Windows boot menu which allows you to run Linux. Ubuntu is installed within a file in the Windows file system (a loopmounted partition), this file is seen by Ubuntu as a real hard disk. That way the hard drive does not have to be repartitioned before the Ubuntu installation. The resulting Ubuntu installation is a "real" Linux system, not just a virtual machine. Wubi makes it easy for Linux newbies to play around with Ubuntu.

Novell Boosts Linux Virtualization with VMware Support

Novell announced significant enhancements in the performance of SUSE Linux Enterprise Server when the Linux operating system is running as a virtual machine guest in a VMware environment. To deliver this improved performance, Novell modified the SUSE Linux Enterprise kernel to support the VMware Virtual Machine Interface (VMI), a communication mechanism between the guest operating system and hypervisor that simplifies the task of virtualization and makes Linux a more efficient guest operating system when running in VMware environments.

Microsoft dispells rumors of stealth Windows updates

It's all about updating the updater. Microsoft officials are seeking to dispel rumors the company is performing stealth updates on Windows machines. They are also pledging to be more transparent in the future to prevent such misunderstandings from happing again.

Free Pascal 2.2.0 out after two years

After more than two years of development, Free Pascal 2.2.0 was released this week and has sparked a resurgence in interest in a programming language many had forgotten about.

The Linux Foundation Announces First Legal Summits

That's the title of a press release issued yesterday by the Linux Foundation (the full text, as usual, also appears below). Given the number of conferences that are being held on open source licensing issues all the time, you might understandably wonder why LF feels it's necessary to have two more. In fact, there are some pretty good reasons, and hence this blog entry.

CK-ERP (Open Source ERP / CRM / MRP) v.0.24.1 released

New features include, a connector for LegalCase and updated connectors for ClearHealth, OpenEMR and osCommerce, facilities to convert sales order to purchase order and/or material/service requisition so as to procure the required material/service after a sale is concluded, addition of a sample law office chart of accounts and a sample medical practice chart of accounts, addition of Australian GST tax rate and updating of Canadian GST tax rate, addition of narrow/wide display option for the various case handling screens, addition of customer, vendor, employee contact lists, and, addition of German translation for the Quotation module.

Linux and Programming book reviews

  •; By Ravi (Posted by dsTst on Sep 13, 2007 2:49 PM EDT)
  • Story Type: Reviews; Groups: Linux
These are a collection of book reviews related mainly to GNU/Linux but also to a couple of programming languages such as Python, C++ and PHP. These books are relatively recent ones being published in the year 2005-2007 and are quite popular with the programming and geek community.

Three addictive pop-up console utilities

I do development work, and I require access to a console to run programs, check output, or monitor transmission packets. Up until now, I've used a terminal program in a different desktop, and use the mouse to change to that terminal. Now I've found a quicker way, by using any of three Quake-style consoles that pop up just by pressing a key.

Review: Damn Small Linux Makes Darn Big Impression

At a mere 50MB, Damn Small Linux seems like it would be more at home in the realm of rescue disks instead of Desktop OSs. After booting up into full graphical mode, you may be hooked on this tiny distribution forever.

Hosting multiple projects with DrProject

Individual developers can use sites like to host multiple projects, but such sites are not well suited to college environments that have many student programming projects to host. DrProject is a multiple project hosting application designed for schools. It gives each project a wiki, bug tracker, and source code repository. DrProject is a fork of the Trac project, which can only host project at a time. DrProject has a different look and feel but the navigation menu is very similar to Trac's.

Celebrate software freedom this Saturday

Viva software freedom viva! Software Freedom Day takes place this Saturday. A worldwide celebration, there are several events taking place around the country.

Travel with your Linux Firewall in your pocket

  •; By Frank Neugebauer (Posted by fneagle on Sep 13, 2007 10:36 AM EDT)
  • Story Type: News Story
How to make a server room full with Linux security appliances available to traveling users?  If you are traveling a lot with your laptop and if you like to have the same level of security as within your  company’s corporate network – this is perhaps a solution for you.
Yoggie has developed a small device with a powerful 520 Mhz Intel Processor that fits in your pocket. It looks like a USB Memory Stick but it runs a complete hardened Linux-based Operating System inside. The solution combines a statefull inspection firewall and NAT combined with other security applications like Proxies, Anti-Virus, Spyware- and SPAM Protection.


Data Errors During Drive Communication

"An ongoing study on datasets of several Petabytes have shown that there can be 'silent data corruption' at rates much larger than one might naively expect from the expected error rates in RAID arrays and the expected probability of single bit uncorrected errors in hard disks, began a recent query on the Linux kernel mailing list asking where the errors might be introduced. Alan Cox replied, "its almost entirely device specific at every level. He then continued on with some general information, tracing the path of the data from the drive, through the cable and bus, into main memory and the CPU cache, as well as over the network, "once its crossing the PCI bus and main memory and CPU cache its entirely down to the system you are running what is protected and how much. Note that a lot of systems won't report ECC errors unless you ask."

Linux step by step and certification along the way

Here's a series of well written IBM Linux tutorials to help you learn Linux fundamentals and prepare for system administrator certification. These are considered the most popular free online preparation methods cited by LPI exam candidates.

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