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Operating Systems

Submission + - The Great Microkernel Debate Continues

Submitted by ficken
ficken writes: The great micro vs. monolithic kernel is still alive and well. Andy Tanenbaum weighs in with another article about the virtues of microkernels. From the article: "Over the years there have been endless postings on forums such as Slashdot about how microkernels are slow, how microkernels are hard to program, how they aren't in use commercially, and a lot of other nonsense. Virtually all of these postings have come from people who don't have a clue what a microkernel is or what one can do. I think it would raise the level of discussion if people making such postings would first try a microkernel-based operating system and then make postings like "I tried an OS based on a microkernel and I observed X, Y, and Z first hand." Has a lot more credibility."
BSD

Debugging the FreeBSD Kernel Transparently 55

Posted by kdawson from the deep-juju dept.
An anonymous reader writes "To debug the FreeBSD kernel core dump efficiently, it is best to set up a remote debugging session between a development machine and the target machine, and remotely debug the kernel using serial communication. This article shows you how you can debug as many kernel images as you want; it becomes transparent to users once debugging starts, and your system's performance is not affected at all."
User Journal

Journal Journal: Usability of College Majors 11

Journal by IamBMETammy
Why are there so many useless college majors available?

By useless I mean you graduate and then there's no one really looking for your degree. With teaching, computer science, architecture, or mechanical, civil, chemical or computer engineering degrees it's obvious what you'll be doing. But what about biology? English? Psychology?

Why did no one warn me that Microbiology, while a great subject and very interesting requires a masters or doctorate to be truly useful?

Return of the Web Mob 146

Posted by CmdrTaco from the cement-shoes-for-everyone dept.
Parore writes "eWeek is running a story about the return of the web mob, highlighting all the similiarities between the online attacks and the real-world mafia. From the article: "Black hat hackers have set up e-commerce sites offering private exploits capable of evading anti-virus scanners. An e-mail advertisement intercepted by researchers contained an offer to infect computers for use in botnets at $25 per 10,000 hijacked PCs. Skilled hackers in Eastern Europe, Asia and Latin America are selling zero-day exploits on Internet forums where moderators even test the validity of the code against anti-virus software."

Better Networking with SCTP 233

Posted by ScuttleMonkey from the viva-la-sctp dept.
5-0 writes to tell us that IBM DeveloperWorks has an interesting look at the key features of SCTP in the Linux 2.6 kernel and the ability to deliver multi-streaming. "SCTP is a reliable, general-purpose transport layer protocol for use on IP networks. While the protocol was originally designed for telephony signaling, SCTP provided an added bonus -- it solved some of the limitations of TCP while borrowing beneficial features of UDP. SCTP provides features for high availability, increased reliability, and improved security for socket initiation."

Open Season On Open Source? 173

Posted by Zonk from the everyone-becomes-the-man-eventually dept.
conq writes "BusinessWeek has a piece looking at the possible future of open source. The article's conclusion is that it might be grim. From the piece: 'Software giant Oracle Corp. has acquired two small open-source companies and is in negotiations to buy at least one more. Many experts believe this is the beginning of a broader trend in which established tech companies scoop up promising open-source startups. While the validation is thrilling it's also unsettling. Many young idealists who set out to create an alternative to the tech Establishment now find themselves becoming part of it.'"

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