Welcome to TechScreen

Welcome to the TechScreen site. This side shall support the exchange of knowledge in the domain of Web Engineering and related aspects. As a side effect, this side is used for research on knowledge management technologies. User can pose challenges in the problem domain and can participate in quizzes. Further a bibliography about arcticles in different related domains is continously extended. Finally, questionnaires on different issues are provided. To be able to participate you need an account and a password from TU Wien's TISS system.

Connecting an Authentication Server to a Drupal Content Management System

For my Ph.D. thesis I need a community portal, which supports students to share their experience about internet technologies. It turned out, that the content management system Drupal is a perfect fit to fullfill the given requirements. As usual for a content management system, Drupal also has its own user management function. This means, that students have to register before they may produce content on the portal. Although TechScreen is a software system on a prototype level, it is yet hosted on a server inside the TU computer network.

Oracle and C-Compiling Error

For security reasons a server offering webservices should be installed new: It is used to run CGI-Webapplications manipulating data in an Oracle 8.1.8. database via webformulas. I first installed Solaris and then Oracle 8.1.8 and the webserver. Both are running without errors. In the next step I used the compiled Files from the backup copy: The webservices are running. To modify the applications a new compilation is necessary. I dir not panipulate *.c files. I just tried to compile it. CC or GCC did not work.

Getting WLAN access with iPhone at the university

I have an account jdorn@mobil.tuwien.ac.at that I use on a Laptop to access the closed TUWIS WLAN. In an Internet browser I enter account and password. Then I have access to the Internet for a limited period of time. On my iPhone the entering of the required data is too cumbersome.

Installation of an iCal Server on Mac OS X Leopard

Apple’s description of the iCal Server installation process is very scarce. Apple’s Directory service is required to authenticate users and a correct DNS configuration is required to enable Directory service. DNS is a problem if you have a local network installed with Airport.

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