Mainframe Basics for Security Professionals: Getting Started with RACF

本书由IBM专家撰写,为从UNIX、Linux或Windows平台迁移至IBM System z主机环境的用户提供实用指导。即使初次接触主机环境,读者也能学会使用z/OS操作系统命令行和ISPF工具集进行高效的安全管理操作。书中还提供了实操视频教程,帮助读者掌握关键技能。

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版权声明:原创作品,允许转载,转载时请务必以超链接形式标明文章原始出版、作者信息和本声明。否则将追究法律责任。 http://blog.youkuaiyun.com/topmvp - topmvp
Leverage Your Security Expertise in IBM® System z™ Mainframe Environments

For over 40 years, the IBM mainframe has been the backbone of the worlds largest enterprises. If youre coming to the IBM System z mainframe platform from UNIX®, Linux®, or Windows®, you need practical guidance on leveraging its unique security capabilities. Now, IBM experts have written the first authoritative book on mainframe security specifically designed to build on your experience in other environments.

Even if youve never logged onto a mainframe before, this book will teach you how to run todays z/OS® operating system command line and ISPF toolset and use them to efficiently perform every significant security administration task. Dont have a mainframe available for practice? The book contains step-by-step videos walking you through dozens of key techniques.

The authors illuminate the mainframes security model and call special attention to z/OS security techniques that differ from UNIX, Linux, and Windows. They thoroughly introduce IBMs powerful Resource Access Control Facility (RACF) security subsystem and demonstrate how mainframe security integrates into your enterprise-wide IT security infrastructure. If youre an experienced system administrator or security professional, theres no faster way to extend your expertise into big iron environments.

Coverage includes
*Mainframe basics: logging on, allocating and editing data sets, running JCL jobs, using UNIX System Services, and accessing documentation
*Creating, modifying, and deleting users and groups
*Protecting data sets, UNIX file system files, databases, transactions, and other resources
*Manipulating profiles and managing permissions
*Configuring the mainframe to log security events, filter them appropriately, and create usable reports
*Using auditing tools to capture static configuration data and dynamic events, identify weaknesses, and remedy them
*Creating limited-authority administrators: how, when, and why

http://rapidshare.com/files/105447443/0131738569.zip
http://depositfiles.com/files/4581058
内容概要:本文详细探讨了基于阻尼连续可调减振器(CDC)的半主动悬架系统的控制策略。首先建立了CDC减振器的动力学模型,验证了其阻尼特性,并通过实验确认了模型的准确性。接着,搭建了1/4车辆悬架模型,分析了不同阻尼系数对悬架性能的影响。随后,引入了PID、自适应模糊PID和模糊-PID并联三种控制策略,通过仿真比较它们的性能提升效果。研究表明,模糊-PID并联控制能最优地提升悬架综合性能,在平顺性和稳定性间取得最佳平衡。此外,还深入分析了CDC减振器的特性,优化了控制策略,并进行了系统级验证。 适用人群:从事汽车工程、机械工程及相关领域的研究人员和技术人员,尤其是对车辆悬架系统和控制策略感兴趣的读者。 使用场景及目标:①适用于研究和开发基于CDC减振器的半主动悬架系统的工程师;②帮助理解不同控制策略(如PID、模糊PID、模糊-PID并联)在悬架系统中的应用及其性能差异;③为优化车辆行驶舒适性和稳定性提供理论依据和技术支持。 其他说明:本文不仅提供了详细的数学模型和仿真代码,还通过实验数据验证了模型的准确性。对于希望深入了解CDC减振器工作原理及其控制策略的读者来说,本文是一份极具价值的参考资料。同时,文中还介绍了多种控制策略的具体实现方法及其优缺点,为后续的研究和实际应用提供了有益的借鉴。
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