Education Information Network Subsystem And Achieve

The educational information portal system has become an important platform in education sector on which people implement the modern management. Yet solutions do exist that can provide a solid foundation for the portal system, the solutions are mostly based on Windows, and the portal system solution based on Linux, which will be introduced in the paper, is also a good bargain with the rapid development of Linux in products, technology and service.This paper mainly introduces the principle and realization of several important sub systems of the portal system. The functions, model, and implementation of virtual host, information issue, load balance, single sign-On are presented in this paper. Several solutions are provided and analyzed in order to get the right one. And the virtual host system has achieved its goal by means of setuid programs safely, not the Apache's suEXEC and so on. Lastly, the suggestion about the improvement and direction of the system are made.