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ContentsContents
Virtualization Guide
  1. Preface
  2. I Introduction
    1. 1 Virtualization technology
    2. 2 Virtualization scenarios
    3. 3 Introduction to Xen virtualization
    4. 4 Introduction to KVM virtualization
    5. 5 Virtualization tools
    6. 6 Installation of virtualization components
    7. 7 Virtualization limits and support
  3. II Managing virtual machines with libvirt
    1. 8 Starting and stopping libvirtd
    2. 9 Preparing the VM Host Server
    3. 10 Guest installation
    4. 11 Basic VM Guest management
    5. 12 Connecting and authorizing
    6. 13 Advanced storage topics
    7. 14 Configuring virtual machines with Virtual Machine Manager
    8. 15 Configuring virtual machines with virsh
    9. 16 Managing virtual machines with Vagrant
    10. 17 Xen to KVM migration guide
  4. III Hypervisor-independent features
    1. 18 Disk cache modes
    2. 19 VM Guest clock settings
    3. 20 libguestfs
    4. 21 QEMU guest agent
    5. 22 Software TPM emulator
  5. IV Managing virtual machines with Xen
    1. 23 Setting up a virtual machine host
    2. 24 Virtual networking
    3. 25 Managing a virtualization environment
    4. 26 Block devices in Xen
    5. 27 Virtualization: configuration options and settings
    6. 28 Administrative tasks
    7. 29 XenStore: configuration database shared between domains
    8. 30 Xen as a high-availability virtualization host
    9. 31 Xen: converting a paravirtual (PV) guest into a fully virtual (FV/HVM) guest
  6. V Managing virtual machines with QEMU
    1. 32 QEMU overview
    2. 33 Setting up a KVM VM Host Server
    3. 34 Guest installation
    4. 35 Running virtual machines with qemu-system-ARCH
    5. 36 Virtual machine administration using QEMU monitor
  7. VI Troubleshooting
    1. 37 Integrated help and package documentation
    2. 38 Gathering system information and logs
  8. Glossary
  9. A Virtual machine drivers
  10. B Configuring GPU Pass-Through for NVIDIA cards
  11. C XM, XL toolstacks, and the libvirt framework
  12. D GNU licenses
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Applies to SUSE Linux Enterprise Server 15 SP3

37 Integrated help and package documentation

Various virtualization packages provide commands for managing many aspects of a virtualization host. It is not possible or expected to remember all options supported by these commands. A basic installation of a Xen or KVM host includes manual pages and integrated help for shell commands. The documentation sub-packages provide additional content beyond what is provided by the basic installation.

Manual pages for shell commands

Most commands include a manual page that provides detailed information about the command, describes any options, and in some cases gives example command usage. For example, to see the manual for the virt-install command type:

> man virt-install
Integrated help for shell commands

Commands also include integrated help, providing more compact and topic-driven documentation. For example, to see a brief description of the virt-install command type:

> virt-install --help

Integrated help can also be used to see the details of a specific option. For example, to see the sub-options supported by the disk option type:

> virt-install --disk help
Documentation sub-packages

Many of the virtualization packages provide additional content in their documentation sub-package. As an example, the libvirt-doc package contains all the documentation available at http://libvirt.org, plus sample code demonstrating the use of the libvirt C API. Use the rpm command to view the contents of a documentation sub-package. For example, to see the contents of libvirt-doc:

rpm -ql libvirt-doc
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