User Mode Linux
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User Mode Linux

User Mode Linux

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About the Book

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.

Table of Contents:
Preface     ix Acknowledgments     xi About the Author     xiiiChapter 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     17Booting 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     39Logging 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     61COW Files     61 Networking the UML Instances     71 A Virtual Serial Line     79 Chapter 5: Playing with a UML Instance     83Use and Abuse of UML Block Devices     83 Networking and the Host     87 Chapter 6: UML Filesystem Management     101Mounting 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     121Manually Setting Up Networking     121 The UML Networking Transports     142 An Extended Example     155 Chapter 8: Managing UML Instances from the Host     167The Management Console     167 Controlling a UML Instance with Signals     188 Chapter 9: Host Setup for a Small UML Server     191Host 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     211Security     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     233Downloading UML Source     234 Configuration     235 Compilation     249 Chapter 12: Specialized UML Configurations     251Large Numbers of Devices     252 Clusters     265 UML as a Decision-Making Tool for Hardware     273 Chapter 13: The Future of UML     275The externfs Filesystem     277 Virtual Processes     282 Captive UML     283 Virtualized Subsystems     295 Conclusion     298 Appendix A: UML Command-Line Options     301Device and Hardware Specifications     301 Debugging Options     303 Management Options     304 Informational Options     305 Appendix B: UML Utilities Reference     307humfsify     307 uml_moo     308 uml_mconsole     308 tunctl     310 uml_switch     311 Internal Utilities     312 Index     313


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Product Details
  • ISBN-13: 9780131865051
  • Publisher: Pearson Education (US)
  • Publisher Imprint: Prentice Hall
  • Height: 236 mm
  • No of Pages: 352
  • Weight: 660 gr
  • ISBN-10: 0131865056
  • Publisher Date: 20 Apr 2006
  • Binding: Paperback
  • Language: English
  • Spine Width: 23 mm
  • Width: 178 mm


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