• Journal of Korea Society of Industrial Information Systems
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• v.4 no.4
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• pp.137-142
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• 1999

This paper applies role-based access control(RBAC) policy for solving security problems when it will be operated business of many field on the Linux sever environments and designed RBAC＿Linux security systems that it is possible to manage security systems on the Linux environments. In this paper, the RBAC_Linux is security system which is designed for applicable on the Linux enviroment The applying RBAC model is based on RBAC96 model due to Sandhu et al. Therefor, the using designed RBAC_Linux security system on the Linux sever system have the advantage of the following: it can be implemented sever system without modifying its source code, high migration, easy and simple of secure managing.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2001.05a
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• pp.700-705
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• 2001

IEEE1394 is a new interface standard for connecting peripheral devices to embedded linux system. A IEEE1394 system consists of a embedded Linux system and a number of peripherals with IEEE1394 interfaces. In this paper, we Embedded Linux System for IEEE-1394 Realization described with IEEE1394 interface. Using hardware used board on MPC860 processor, Linux kernel used kernel 2.2.14 for a stabilization version, Hardware Interface inspected a test and quality improvement On board with IEEE1394 Application.

• Proceedings of the Korean Information Science Society Conference
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• 1999.10c
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• pp.120-122
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• 1999

최근 Linux 시스템의 사용이 급격히 증가함에 다라 Linux 시스템에서의 보안이 큰 문제로 대두되고 있으며 그에 대한 대응책으로 침입 탐지 및 방지를 위하여 여러 가지 방안들이 나오고 있다. 그러나 대부분의 침입 탐지 및 방지 시스템이 쉘이나 응용 수준에서 이루어지며 이 경우 침입자가 그 쉘 또는 응용 등을 회피하면 그 효용성이 없어진다는 단점이 있다. 따라서 본 논문에서는 Linux 시스템의 커널 수준에서 명령들의 시스템 호출 과정을 추적하여 침입을 탐지하고 보안을 강화시켜 주는 시스템인 LiSID(Linux System Intrusion Detector)를 제안하였다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2009.05a
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• pp.801-804
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• 2009

In this paper, the Linux kernel memory map was analyzed as the approach to Improving performance for Embedded Linux system. Since the Linux kernel memory map supporting a stability and various H/W platforms and in which it becomes to the general purpose system with optimization manages the role of being important in the booting time and the efficient system utilization of resources, the analysis of the kernel memory map is required for the performance improvement of the Embedded Linux system in which it is restrictive the resources. According to the analysis result, and of the Linux kernel memory, the booting speed of and improvement of the memory efficiency were confirmed. It is therefore considered that the proposed in this paper and kernel memory allocation method are suitable to the memory availability improvement of the Embedded Linux system.

• The KIPS Transactions:PartC
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• v.11C no.4
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• pp.485-496
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• 2004

The wide spread of Internet makes susceptible to the attacks via communication Web from hackers using the vulnerability of both computer and network systems. In this paper, we design and implement an integrated security system, named as LISS(Linux-based Integrated Security System) in which an integrated security management is possible. This system is based on the open operating system, Linux and consists of open security tools, which is effective in security management of Linux based-servers. We also construct a test-bed in order to testify the performance of the LISS. It is revealed that the implemented system captures all the attack Patterns generated from Network Mapper.

• Proceedings of the Korean Institute of Intelligent Systems Conference
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• 2007.04a
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• pp.11-14
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• 2007

The Embedded Linux System has been developed as a system which can be used with a processor of low efficiency and small-sized memory. Unlike the usual Linux and Windows web server, it has some limitations in the install of application programs, compatibility and scalability when transferring data through web server in real-time. In this paper, we present a real-time remote monitoring system which is very useful to the embedded linux system. The presented system use Java Script without the additional programs at the Embedded Linux System web server and confirm the efficiency of the system through the existing real-time remote monitoring techniques.

• Journal of the Korean Institute of Intelligent Systems
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• v.20 no.3
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• pp.362-367
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• 2010

In this paper, we describe implementation of FPGA-based Nios II embedded processor system and linux device driver for image monitoring system which is supplement weakness for fixed surveillance area of existing CCTV system and by manual operation of the camera's moving. Altera Nios II processor 8.0 is supported MMU which is stable and efficient managed memory. We designed the image monitoring and control system by using Altera Nios II soft-core processor system which is flexible in various application and excellent adaptability. By implementation of camera device driver and VGA decvice driver for Linux-based Nios II system, we implemented image serveillance system for Nios II embedded processor system.

• Journal of Institute of Control, Robotics and Systems
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• v.9 no.10
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• pp.789-797
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• 2003

An implementation scheme and some improvements are proposed to adopt public-licensed operating system, Linux and de-facto world-wide network standard, TCP/IP into the field of behavior-based autonomous mobile robots. To demonstrate the needs of scheme and the improvement, an analysis is performed on a server/client communication problem with real time Linux previously proposed, and another analysis is also performed on interactions among TCP/IP communications and the performance of Linux system using them. Implementation of behavior-based control architecture on real time Linux is proposed firstly. Revised task-scheduling schemes are proposed that can enhance the performance of server/client communication among local tasks on a Linux platform. A new method of TCP/IP packet flow handling is proposed that prioritizes TCP/IP software interrupts with aperiodic server mechanism as well. To evaluate the implementation scheme and the proposed improvements, performance enhancements are shown through some simulations.

• Proceedings of the IEEK Conference
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• 2003.07c
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• pp.2855-2858
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• 2003

In this paper, we have studied a design method to make Linux system enriched with a duplication facility. We have designed a duplication module which would be inserted into Linux. The design have to keep track of three foundations, such as fault detection, reconfiguration, a handling duplication data. To conclude, Linux duplication module is free put on a Linux kernel. so in the future, It can cope with a change in Linux duplication system flexiblely.

• Proceedings of the KIEE Conference
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• 2003.11c
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• pp.709-712
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• 2003

In this research, we port the RT-Linux to MVME 5100 board which is driven by VxWorks or Vertex until now. And, we developed the data logging modules by using the RT-Linux. This module gathers two different scan timing data from plant and sends this data to the host controller with real time.