Digital Campus Solution Based on Linux Operating System

Editor's Note: In the future, education will emphasize creativity, diversity, openness and individuality. The education industry needs all-round open and interactive based on modern computer technology. A new network management and education environment for communication. This column has introduced many campus network solutions, but it is basically based on the Windows platform. This time we introduce the Linux-based operating system platform provided by Beijing Zhongke Hongqi Software Technology Co., Ltd., B/S (browser/Server) architecture campus network solution, which uses a new generation of network programming development language development, integrates office, communication, management and other functions into one, is an ideal platform for digital campus.

System Construction Goals

The arrival of the information age characterized by the widespread use of computer technology and network technology has brought tremendous impetus to the reform of the traditional education system. The focus of primary and secondary education has been transformed from exam-oriented education to quality education, providing excellent technical conditions and opportunities. To carry out the informatization construction of the school, the goal is to cultivate students' interest in computer technology and information technology through the use of advanced teaching methods to help them understand and master the most advanced computer information technology. At the same time, it provides effective technical guarantees for improving many backward management and teaching methods, promotes the reform of the existing education system, and improves the management level of the school.

The Red Flag Digital Campus Solution aims to meet the needs of schools and build a comprehensive system based on computer-aided instruction (CAI) and office automation (OA) with network and computer technology as the core. The information processing equipment and the communication facilities are connected at a high speed, and finally a campus network environment is constructed in which all kinds of resources are fully shared, various types of information are fully circulated, and communication with the Internet can be realized.

Network System Structure

In order to help users build an open system, Red Flag Digital Campus Network System gives users more freedom to choose hardware devices, which greatly improves the system's openness. Support for a variety of servers, client computer models and network structures (including heterogeneous network structures), allowing users to have maximum flexibility in the construction of the system. With Red Flag Linux as the server operating system, it supports Ethernet, Fast Ethernet LAN, broadband metropolitan area network and many other applications including Postgres 7.x, Sybase, Oracle and other common databases.

Figure 1 Red Flag Digital Campus System Architecture

The Red Flag server operating system has low hardware requirements and is fully capable of implementing a complete campus network solution based on existing hardware facilities on most campuses. In the middle school of Tsinghua University, the implementation of the Hongqi campus network solution has been a complete success, and has been well received by teachers and students in practical applications. Its typical system structure is shown in Figure 1.

System Function Overview

The Red Flag Digital Campus is designed to meet the daily needs of the school's daily office, teaching management, and teacher preparation classes, while ensuring close relationships between management agencies, teachers, and students. Class education and teaching resources are fully shared, and modular design, distributed B/S structure and centralized management are implemented. The Red Flag Digital Campus is divided into four subsystems: personnel management, teaching management, resource management and information exchange subsystem, and 18 main functional modules. The structure of each main module is shown in Figure 2.

1. Personnel Management Subsystem

Considering the needs of system development, Red Flag provides a comprehensive and complete basic information framework, which makes the system based on a very solid foundation. The system can provide basic information about the setting and inquiry of the school department, covering the semester, grade, class, class teacher, grade director and other detailed basic information. It can also track the whole process from the new student entrance to the senior high school entrance examination and college entrance examination. Rational allocation of faculty based on student circumstances can maximize the school's limited resources.

2, teaching management subsystem

Based on the in-depth analysis of the teaching management process, Red Flag integrates the ease of operation and the comprehensiveness of information, in addition to the score input and general query, the system Provides up to 10 performance statistics and analysis tools; teacher management components are used to solve teachers' personnel information management, teacher team management, teacher appointment and dismissal, teaching quality and business assessment; provide moral, intellectual, and physical A comprehensive student assessment and assessment index system (a total of 18 indicators for assessment and assessment), such as the United States and the United States, is an effective tool for comprehensive assessment and management of students.

3, resource management subsystem

The electronic lesson teaching system utilizes the latest features of HTML, enabling teachers to insert board books at any time in the lesson plans, and can also add various texts, pictures, sounds. , animation, video and other files. Teachers can get an excellent multimedia lesson plan after they have finished writing the lesson plans by hand. The ability to teach online can be used directly in the classroom.

Figure 2 Main modules of Hongqi Digital Campus

4. Information exchange subsystem

Through the information exchange system, teachers and students can realize the most convenient communication and communication methods. To make everyone join the digital life on campus. This is also a key to the successful implementation of the digital campus. In addition, considering that the number of professional and technical personnel in the school is small or the level is not very high, the Red Flag Digital Campus is equipped with complete management components, including system initialization, system settings, rights management, and IP restrictions. Humanization and ease of use are outstanding features of this component.

System Features

Red Flag Digital Campus integrates many functions such as office automation management, campus management, email service, information release, online communication, resource management, etc. The office has fully utilized the advantages of the network. The Red Flag Digital Campus uses an advanced B/S network architecture approach, taking full advantage of the network's bandwidth advantages and server access speed advantages, and provides good support for computers on different platforms. At the same time, the system can be easily connected to the Internet and remote networks.

Practicality

Based on the different management methods of the school, the system fully considers the diversity of user needs, flexible initial settings and functional customization, which can meet the needs of different types and levels of schools. Class requirements; different schools often exhibit different operational processes and work habits for the same functional requirements. The Red Flag Digital Campus fully considers these differences and maximizes the user's needs.

Stability

Linux has been proven to be a high-performance, stable and reliable operating system. It has been supported by many major software companies around the world and has a large number of applications, including databases. Internet software, office software, development tools and games. The Red Flag Digital Campus System is the application software running on the Red Flag Linux operating system. It uses the database Postgres, which comes with the operating system itself. Based on the good performance of Red Flag Linux and its database itself, the operation is very stable.

Flexibility

Whether the user is building a network system for the first time or has a large and complex network, the Red Flag Linux operating system can adapt to various requirements, and it is highly flexible and The advanced B/S architecture meets the needs of campus digital management. The system also has a flexible server configuration that can be used for both economical and simple single-server systems, as well as a powerful multi-server system as required, and with multiple server upgrades while retaining the original investment.

Security

This system makes full use of the advantages and characteristics of the Linux operating system in user management and file management, and establishes a reasonable, efficient and flexible authority system for different identities. Users have different basic permissions, and can also obtain additional permissions and temporary permissions based on actual conditions. Through the multi-level authority verification mechanism, users without corresponding rights cannot modify or access related information, which fully guarantees data security and personal privacy.

Extensibility

The core part of the system fully considers future functional extensions during the development process, and can easily add newly developed functional modules to the original system, or smoothly upgrade to Later versions, to achieve system updates and enhancements, to ensure that the user's investment is effective for a long time, so that the user's interests are guaranteed.

The Red Flag Digital Campus is both a management platform and a platform for information exchange, and it is also a resource platform. The full set of campus network solutions based on Linux will provide a strong support for improving the school's own informationization level, promoting the regularization of school management, and providing education and teaching for schools.