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User Mode Linux

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User Mode Linux

  • By
  • Published Apr 12, 2006 by Pearson.


  • Sorry, this book is no longer in print.
Not for Sale



  • The official guide to User Mode Linux written by its creator
  • Now available with all the major distributions including RHEL4 of Linux and is promoted as an important addition to them
  • User Mode Linux, an alteration to the Linux kernel, allows a complete Linux kernel to be run inside an existing Linux system
  • Description

    • Copyright 2006
    • Dimensions: 7" x 9-1/4"
    • Edition: 1st
    • Book
    • ISBN-10: 0-13-186505-6
    • ISBN-13: 978-0-13-186505-1

    With User Mode Linux you can create virtual Linux machines within a Linux computer and use them to safely test and debug applications, network services, and even kernels. You can try out new distributions, experiment with buggy software, and even test security. Now, for the first time, the creator and maintainer of User Mode Linux shows how to put it to work hands-on. Jeff Dike covers everything from getting started through running enterprise-class User Mode Linux servers. You'll find authoritative advice on bootup, compilation, administration, specialized configurations, and much more.

    Coverage includes

    • What User Mode Linux is, how it works, and its uses in Linux networks
    • Key applications, including server consolidation, development, and disaster recovery
    • Booting and exploration: logins, consoles, swap space, partitioned disks, and more
    • Copy-On-Write (COW): UML's efficient approach to storing filesystem changes
    • In-depth discussion of User Mode Linux networking and security
    • Centrally managing User Mode Linux instances, and controlling their hardware resources
    • Implementing clusters and other specialized configurations
    • Setting up User Mode Linux servers, step-by-step: small-scale and large-scale examples
    • The future of virtualization and User Mode Linux

    Whether you're a netadmin, sysadmin, teacher, student, or programmer, User Mode Linux®--the technology and this book--is indispensable.

    Sample Content

    Online Sample Chapter

    Introduction to User Mode Linux

    Table of Contents

    Preface     ix
    Acknowledgments     xi
    About the Author     xiii
    Chapter 1: Introduction     1

    What Is UML?     1
    Comparison with Other Virtualization Technologies     2
    Why Virtual Machines?     3
    A Bit of History     4
    What Is UML Used For?     8
    The Future     14

    Chapter 2: A Quick Look at UML     17

    Booting UML for the First Time     20
    Booting UML Successfully     24
    Looking at a UML from the Inside and Outside     29
    Conclusion     37

    Chapter 3: Exploring UML     39

    Logging In as a Normal User     39
    Consoles and Serial Lines     40
    Adding Swap Space     47
    Partitioned Disks     49
    UML Disks as Raw Data     53
    Networking     54
    Shutting Down     59

    Chapter 4: A Second UML Instance     61

    COW Files     61
    Networking the UML Instances     71
    A Virtual Serial Line     79

    Chapter 5: Playing with a UML Instance     83

    Use and Abuse of UML Block Devices     83
    Networking and the Host     87

    Chapter 6: UML Filesystem Management     101

    Mounting Host Directories within a UML     101
    Host Access to UML Filesystems     114
    Making Backups     116
    Extending Filesystems     117
    When to Use What     118

    Chapter 7: UML Networking in Depth     121

    Manually Setting Up Networking     121
    The UML Networking Transports     142
    An Extended Example     155

    Chapter 8: Managing UML Instances from the Host     167

    The Management Console     167
    Controlling a UML Instance with Signals     188

    Chapter 9: Host Setup for a Small UML Server     191

    Host Kernel Version     192
    UML Execution Modes     194
    Managing Long-Lived UML Instances     203
    Networking     206
    UML Physical Memory     206
    Host Memory Consumption     208
    umid Directories     209
    Overall Recommendations     209

    Chapter 10: Large UML Server Management     211

    Security     212
    Jailing UML Instances     216
    Providing Console Access Securely     223
    skas3 versus skas0     225
    Future Enhancements     226
    Final Points     232

    Chapter 11: Compiling UML from Source     233

    Downloading UML Source     234
    Configuration     235
    Compilation     249

    Chapter 12: Specialized UML Configurations     251

    Large Numbers of Devices     252
    Clusters     265
    UML as a Decision-Making Tool for Hardware     273

    Chapter 13: The Future of UML     275

    The externfs Filesystem     277
    Virtual Processes     282
    Captive UML     283
    Virtualized Subsystems     295
    Conclusion     298

    Appendix A: UML Command-Line Options     301

    Device and Hardware Specifications     301
    Debugging Options     303
    Management Options     304
    Informational Options     305

    Appendix B: UML Utilities Reference     307

    humfsify     307
    uml_moo     308
    uml_mconsole     308
    tunctl     310
    uml_switch     311
    Internal Utilities     312

    Index     313


    Download the Index file related to this book.


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