The book of Xen [[electronic resource] ] : a practical guide for the system administrator / / by Chris Takemura and Luke S. Crawford

• Autore: Takemura Chris <1981->
• Pubblicazione: San Francisco, : No Starch Press, Inc., 2009
• Edizione: 1st edition
• Descrizione fisica: 1 online resource (316 p.)
• Disciplina: 004.35
• Soggetto topico: Virtual computer systems; Computer organization; Parallel processing (Electronic computers)
• Altri autori: CrawfordLuke S <1980-> (Luke Seidel)
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes index.
• Nota di contenuto: Foreword; Acknowledgments; Introduction; Virtualization: A Brief History; So What's Xen Again? (And Why Should I Use It?); Xen's Limitations; So, Why Should I Use Xen?; Overview of the Book; But I Am Impatient!; 1: Xen: A High-Level Overview; Virtualization Principles; Virtualization Techniques: Full Virtualization; Virtualization Techniques: OS Virtualization; Paravirtualization: Xen's Approach; How Paravirtualization Works; Xen's Underpinnings: The Gory Details; Scheduling; Interrupts; Memory; I/O Devices; Networking; Block Devices; Putting It Together; 2: Getting Started ; Hardware CompatibilityInstalling CentOS; Getting Familiar with Your Xen System; Management with xm; Making a DomU; Anatomy of a Domain Configuration File; Configuring the DomU; You're Finished. Have a Cookie.; 3: Provisioning DomUs; A Basic DomU Configuration; Selecting a Kernel; Quick-and-Dirty Install via tar; Why This Is Not the Best Idea; Stuff to Watch Out For; Using the Package Management System with an Alternate Root; Red Hat, CentOS, and Other RPM-Based Distros; Debootstrap with Debian and Ubuntu; QEMU Install; virt-install-Red Hat's One-Step DomU Installer ; Converting VMware Disk ImagesMass Deployment; Manual Deployment; QEMU and Your Existing Infrastructure; Installing pypxeboot; Automated Installs the Red Hat Way; And Then . . .; 4: Storage with Xen; Storage: The Basics; Varying Types of Storage; Basic Setup: Files; LVM: Device-Independent Physical Devices; Enlarge Your Disk; File-Backed Images; LVM; Copy-on-Write and Snapshots; LVM and Snapshots; Storage and Migration; Network Storage; Closing Suggestions; 5: Networking; Xen's Network Setup Process; Defining Virtual Interfaces; Naming Virtual Interfaces; Autoconfiguration ; Specifying a MAC AddressManipulating vifs with xm; Securing Xen's Virtual Network; Specifying an IP Address; Firewalling the Dom0; Networking with network-route; Networking with network-bridge; Networking with network-nat; Configuration Variables; Custom Network Scripts; Multiple-Bridge Setups; Bridged and Routing; Further Thoughts; 6: DomU Management: Tools and Frontends; Tools for the VM Provider; Xen-tools; libvirt, virsh, and virt-manager; Administering the Virtualized Data Center; Administration for the VM Customer; Xen-shell ; 7: Hosting Untrusted Users Under Xen: Lessons from the TrenchesAdvantages for the Users; Shared Resources and Protecting Them from the Users; Tuning CPU Usage; Scheduling for Providers; Controlling Network Resources; Storage in a Shared Hosting Environment; Regulating Disk Access with ionice; Backing Up DomUs; Remote Access to the DomU; An Emulated Serial Console; A Menu for the Users; PyGRUB, a Bootloader for DomUs; Making PyGRUB Work; Wrap-Up; 8: Beyond Linux: Using Xen with Other Unix-like OSs; Solaris; Getting Started with Solaris; Solaris Dom0; Setting Up Xen; Solaris SMF ; Creating a Solaris DomU
• Sommario/riassunto: Xen allows administrators to run many virtual operating systems on one physical server, including Linux, BSD, OpenSolaris, and Microsoft Windows. In the process, users save money on hardware, maintenance, and electricity. Not only is Xen open source, the Xen hypervisor (the virtual machine monitor) is the best-performing hypervisor available. The Book of Xen explains everything a sysadmin needs to know to use this powerful technology, with coverage of installation, networking, virtualized storage, and managing guest and host operating systems. Written for administrators who have worked with *N
• Titolo autorizzato: The book of Xen
• ISBN: 1-59327-262-6
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910780432703321
• Lo trovi qui: Univ. Federico II