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| Foreword: Linux in the Emerging On Demand World | |
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| The future of e-business: e-business on demand | |
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| The importance of open standards to an on demand business | |
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| On demand, Open Source and Linux | |
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| Linux and the on demand business | |
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| Preface | |
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| Terminology used in this book | |
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| Disclaimer | |
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| Acknowledgements | |
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| Linux on the Mainframe--an Introduction | |
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| Introducing Linux | |
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| Benefits of the Linux operating system | |
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| The role of the Open Source community | |
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| The role of distributions | |
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| Linux structure | |
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| Summary | |
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| Introducing the Mainframe | |
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| The mainframe's birth | |
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| General-purpose computer architecture | |
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| Distinguishing features of the mainframe | |
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| From real to virtual | |
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| Summary | |
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| Introducing Linux on the Mainframe | |
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| Why Linux fits the mainframe | |
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| What was done to fit Linux onto the mainframe | |
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| How Linux fits the mainframe | |
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| Six reasons to run Linux on the mainframe | |
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| Summary | |
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| Planning for Linux | |
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| Overview of What You Can Do with Linux on the Mainframe | |
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| Horizontal and vertical growth | |
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| ISPCompany and its new business application | |
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| StoreCompany and its business application | |
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| Summary | |
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| Sample Projects | |
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| Building a team | |
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| Choosing the right Linux project | |
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| Summary | |
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| Total Cost of Ownership: the Challenge | |
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| Total cost-of-ownership factors | |
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| The mainframe and the TCO equation | |
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| Linux and the TCO equation | |
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| ISPCompany: TCO considerations | |
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| StoreCompany: TCO considerations | |
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| Summary | |
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| Is Linux on the Mainframe for Me? | |
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| The Value of Virtualization | |
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| What is z/VM? | |
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| How Linux can run on z/VM | |
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| What does z/VM provide? | |
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| What is logical partitioning? | |
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| Why run Linux on z/VM? | |
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| Summary | |
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| Security Considerations | |
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| The role of security policy | |
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| Risk assessment | |
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| Before opening the doors: hardening | |
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| Opening the doors | |
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| Preventing attacks | |
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| Keeping up to date on security issues | |
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| Summary | |
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| Setting Up Linux on the Mainframe | |
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| Distribution considerations | |
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| Running Linux on the mainframe | |
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| Creating images | |
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| Purpose of Linux images | |
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| Setting up for secure and efficient I/O | |
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| Summary | |
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| Communicating in a Virtual Environment | |
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| Communication methods under z/VM | |
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| Scenario: networking in a virtual environment | |
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| Virtual failover solutions | |
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| Communicating with the outside world | |
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| Summary | |
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| Achieving Higher Availability | |
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| What is high availability? | |
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| The zSeries hardware availability | |
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| Redundancy and single points of failure | |
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| High availability for the ISPCompany example | |
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| High availability for the StoreCompany OaK example | |
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| A quick look at the future | |
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| Summary | |
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| Making the Most of Linux on the Mainframe | |
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| Systems Management | |
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| Controlling the cost of systems administration | |
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| Systems management disciplines | |
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| Policies | |
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| Procedures | |
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| Using tools | |
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| Using a framework | |
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| Summary | |
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| Availability Management | |
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| Availability policy | |
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| Health monitoring | |
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| Automation | |
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| Change management | |
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| Key factors to consider in availability | |
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| Summary | |
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| Data Management | |
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| Keeping data on the mainframe | |
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| Introduction to backup and restore | |
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| Quota | |
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| Data, policies, and tools | |
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| Database management | |
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| Performance tuning and capacity planning | |
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| Summary | |
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| Performance and Capacity Planning | |
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| Day-to-day performance | |
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| Relative capacity and capacity planning | |
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| Summary | |
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| System Administrator Tasks | |
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| Expanding the system administrator's role in your organization | |
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| Change management | |
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| Tasks that are unique to Linux on the mainframe | |
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| Tools policies | |
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| Becoming familiar with the mainframe | |
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| Summary | |
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| Running Applications | |
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| Deploying Linux Servers | |
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| Where can you find applications for Linux on the mainframe? | |
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| Simple server hardware consolidation | |
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| Summary | |
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| Porting Applications to Linux on the Mainframe | |
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| What you can gain by porting an application to Linux on the mainframe | |
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| Before you decide to port | |
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| What effort to expect | |
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| What you need | |
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| Where to get more information | |
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| Summary | |
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| Building Integrated Server Environments | |
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| Inter-image communications | |
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| Example for an integrated environment | |
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| Connectors to back-end systems | |
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| Consolidating a 3-tier environment | |
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| Enriching your mainframe environment with new applications | |
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| Summary | |
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| Reference | |
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| Linux-on-the-Mainframe Reference | |
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| Linux distributions for the mainframe | |
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| Overview of Linux directory structure | |
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| Exploiting mainframe processor architecture | |
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| Linux-on-the-mainframe device drivers | |
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| Mainframe Reference | |
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| The mainframe architecture | |
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| Mainframe registers | |
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| The program status word | |
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| Integrated Facility for Linux (IFL) | |
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| Debugging and Dump Analysis | |
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| What information you need | |
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| Debugging under z/VM | |
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| General Linux debugging facilities | |
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| Linux kernel debugging tools | |
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| Linux system dump tools | |
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| Security Reference | |
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| Security certification | |
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| General security considerations | |
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| z/VM tools | |
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| Communications Reference | |
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| zSeries virtual connections | |
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| An example of server consolidation based on Linux | |
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| Systems Management Tools | |
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| Availability management tools | |
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| Data management tools | |
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| Security management tools | |
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| Performance and capacity planning tools | |
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| System administrator tools | |
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| Tools Web sites | |
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| Performance Reference | |
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| Tuning Linux guests under VM | |
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| When to use kernel patches | |
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| Performance tools | |
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| Examples for Applications | |
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| Appendices | |
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| ISPCompany | |
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| Corporate profile of ISPCompany | |
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| Offerings | |
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| Description of environment | |
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| Example new client | |
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| StoreCompany | |
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| Corporate profile of StoreCompany | |
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| Description of environment | |
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| Programming model and middleware platform | |
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| Project 1: Firewall and proxy server | |
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| Project 2: Web application server | |
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| Project 3: OaK project | |
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| Glossary | |
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| Further Reading | |
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| Bibliography | |
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| Books | |
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| IBM Redbooks | |
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| IBM articles and papers | |
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| Other IBM publications | |
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| Other articles and papers | |
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| Index | |