Thom Holwerda Archive

The OS Group of Technische Universitaet Dresden (TUD:OS) has released a live demo CD of their custom operating system project. TUD:OS is a microkernel-based operating system targeted at secure and real-time systems. Some highlights of the demo CD include a new approach for securing graphical user interfaces called Nitpicker, multiple L4Linux kernels running at the same time on top of a custom L4 microkernel, a survey on the reuse of device drivers on the TUD:OS platform, native Qt-applications, the DOpE windowing system, games, and much more. More information is available at the demo CD website. And yes, boys and girls, there are screenshots, too.

"Ekiga is a SIP and H.323 compatible VoIP, IP Telephony, and Video Conferencing application that allows you to make audio and video calls to remote users with SIP or H.323 hardware and software. It supports all modern VoIP features for both SIP and H.323. Ekiga is the first Open Source application to support both H.323 and SIP, as well as audio and video. Ekiga was formerly known as GnomeMeeting. To get started: Download Ekiga for your distribution and get a free SIP-Address at ekiga.net."

Today, I decided to give Linux a try on my iBook. I've been wanting Linux on my iBook for a long time, but I've simply never had the time to do it. I ran the occasional PowerPC live CD, but live CD's are far cries from the real, installed thing. A second showstopper was that suspend never really worked-- and I cannot use my iBook without suspend. After trying out a new live CD yesterday, I found out that suspend on lid closure now worked mighty fine on Linux/PPC; hence, it was time to do the real thing. And oh how I was left surprised. Note: This is this week's Sunday Eve Column.

A major, critical bug and possible security threat has been discovered in Ubuntu Breezy. Apparently, the 'root' password (not actually the root password because Ubuntu uses sudo) gets written into the installer's log files in clear text, and can be read by any account on the Ubuntu machine. The bug was first discovered and reproduced on the Ubuntu forums. The bug does not seem to affect Dapper, however, users upgrading from Breezy to Dapper might still be at risk because the log files are not modified. Update: Bug is fixed. Please upgrade.

OSNews regular Kaiwai takes a superficial look at Vista and MacOS 10.4/10.5, and concludes: "To say that the changes in Windows Vista are only skin deep is missinformed to say the least; spend some time reading those sources I have listed, and even if you don't have a desire to run Windows Vista or particular interested in Windows based technology, it does provide some good resources explaining the changes and rationale behind those choices made. So from a purely technical point of view, Windows Vista is actually looking a whole lot more interesting than what the detractors have been saying in the computer press about the current direction."

"I started OpenBGP two years ago, after getting completely fed up with Zebra, which we were running before. There were lots of bugs, bad configuration language, performance problems, and since I don't speak Japanese - I had problems understanding the documentation. Zebra makes heavy use of cooperative threads, which leads to it's main problem: combined with the central event queue, Zebra can lose sessions while busy. Zebra successor, Quagga, caught up and apparently fixed many of the bugs. However, they still used the Zebra's design, which I think is wrong. So, the issues are kind of unfixable."

Lab rats at Microsoft Research and the University of Michigan have teamed up to create prototypes for virtual machine-based rootkits that significantly push the envelope for hiding malware and that can maintain control of a target operating system. The proof-of-concept rootkit, called SubVirt, exploits known security flaws and drops a VMM (virtual machine monitor) underneath a Windows or Linux installation. Once the target operating system is hoisted into a virtual machine, the rootkit becomes impossible to detect because its state cannot be accessed by security software running in the target system.

"The Cell chip isn't just for gaming - IBM is using it to power its next generation of blade servers, and we have the pictures to prove it. IBM has showed off a prototype blade server based on the Cell processor in action this week. The company demonstrated the Cell blade server running visualisation software to display real-time three-dimensional video footage of a beating heart at the CeBIT show in Hannover."

SGI is not very willing to communicate about any strategic changes it is plannign to make in their product line up. "Thankfully, we happen to know a couple of SGI's largest customers - the kind of folks who actually receive information from the graphics beast. In order to help out the rest of you poor, informationless sods, we're going to don SGI's marketing cap for the moment and get out the good word to customers large and small. Here's where SGI is heading according to the insiders."

IBM Germany has refuted a Groklaw report that the division has decided to migrate Windows desktops to Linux rather than upgrade them to Vista. Groklaw's story was based on statements reportedly made by an IBM sales executive in a presentation at LinuxForum 2006. This morning, Hans Rehm, of IBM Germany's Press Relations department, emailed DesktopLinux.com the following, somewhat ambiguous, statement.

"Former Soviet Union is a term that often makes people think of a somehow original concept of freedom and democracy. You can observe some heritage looking at the facts of today's Belarus and Turkmenistan. Anyway, even there, people always have had the will to express their ideas and opinions. Think, for instance, of the samizdat, or of the dissidents. How could native geeks and computer scientists/engineers miss the opportunity to contribute to the free software movement as another expression of freedom and democracy? In this article, hopefully the first of a short series, I will try to outline the rise and growth of free software in the former USSR by interviewing some of the key individuals."

"I'm writing to propose a six week delay in the release date of Dapper, in order to do additional validation, certification, localisation, and polish. Work towards our feature goals for Dapper is very much on target. However, in some senses Dapper is a 'first' for us, in that it is the first 'enterprise quality' release of Ubuntu, for which we plan to offer support for a very long time. I, and others, would very much like Dapper to stand proud amongst the traditional enterprise linux releases from Red Hat, Debian and SUSE as an equal match on quality, support and presentation." And on a related note, Ubuntu now runs on Sun's UltraSPARC T1 (Niagara) processor too.

"The only benchmark where the PowerPC-based Mac mini outperformed the Intel-based Mac mini was Stdlib Allocate, which is also the only benchmark where the PowerBook G4 outperformed the MacBook Pro. The Stdlib Allocate benchmark depends more on standard library performance than raw hardware performance. It's also worth mentioning that the Intel-based Mac minis were, for the most part, faster than our baseline system (a PowerMac G5 1.6GHz). Yikes. Overall, we're impressed with the Intel-based Mac mini's performance."

MadPenguin reviews SimplyMEPIS, and concludes: "The bottom line here is when reviewing a desktop Linux candidate, I expect to have a certain amount of functionality at hand, and a certain amount of polish. SimplyMEPIS 3.4-3 lacks both in my opinion. If you're looking for a fundamental installation and don't mind spending a bunch of time fixing/adjusting things that normally would have been done for you already, MEPIS might be for you. If you're looking for a desktop that pretty much works out of the box, handles removable media with grace, and isn't going to rob you of productive time, then I'd recommend sticking with something like Fedora, Ubuntu, Mandriva, or SUSE."