SUSE Linux Enterprise Server 15 SP7
This guide describes virtualization technology in general. It introduces libvirt—the unified interface to virtualization—and provides detailed information on specific hypervisors.
Publication Date: October 16, 2025
- Preface
- I Introduction
- II Managing virtual machines with
libvirt- 8
libvirtdaemons - 9 Preparing the VM Host Server
- 10 Guest installation
- 11 Basic VM Guest management
- 12 Connecting and authorizing
- 13 Advanced storage topics
- 14 Configuring virtual machines with Virtual Machine Manager
- 14.1 Machine setup
- 14.2 Storage
- 14.3 Controllers
- 14.4 Networking
- 14.5 Input devices
- 14.6 Video
- 14.7 USB redirectors
- 14.8 Miscellaneous
- 14.9 Adding a CD/DVD-ROM device with Virtual Machine Manager
- 14.10 Adding a floppy device with Virtual Machine Manager
- 14.11 Ejecting and changing floppy or CD/DVD-ROM media with Virtual Machine Manager
- 14.12 Assigning a host PCI device to a VM Guest
- 14.13 Assigning a host USB device to a VM Guest
- 15 Configuring virtual machines with
virsh- 15.1 Editing the VM configuration
- 15.2 Changing the machine type
- 15.3 Configuring hypervisor features
- 15.4 Configuring CPU
- 15.5 Changing boot options
- 15.6 Configuring memory allocation
- 15.7 Adding a PCI device
- 15.8 Adding a USB device
- 15.9 Adding SR-IOV devices
- 15.10 Listing attached devices
- 15.11 Configuring storage devices
- 15.12 Configuring controller devices
- 15.13 Configuring video devices
- 15.14 Configuring network devices
- 15.15 Using macvtap to share VM Host Server network interfaces
- 15.16 Disabling a memory balloon device
- 15.17 Configuring multiple monitors (dual head)
- 15.18 Crypto adapter pass-through to KVM guests on IBM Z
- 16 Enhancing virtual machine security with AMD SEV-SNP
- 17 Migrating VM Guests
- 18 Xen to KVM migration guide
- 8
- III Hypervisor-independent features
- IV Managing virtual machines with Xen
- 25 Setting up a virtual machine host
- 26 Virtual networking
- 27 Managing a virtualization environment
- 28 Block devices in Xen
- 29 Virtualization: configuration options and settings
- 30 Administrative tasks
- 31 XenStore: configuration database shared between domains
- 32 Xen as a high-availability virtualization host
- 33 Xen: converting a paravirtual (PV) guest into a fully virtual (FV/HVM) guest
- V Managing virtual machines with QEMU
- 34 QEMU overview
- 35 Setting up a KVM VM Host Server
- 36 Guest installation
- 37 Running virtual machines with qemu-system-ARCH
- 38 Virtual machine administration using QEMU monitor
- 38.1 Accessing monitor console
- 38.2 Getting information about the guest system
- 38.3 Changing VNC password
- 38.4 Managing devices
- 38.5 Controlling keyboard and mouse
- 38.6 Changing available memory
- 38.7 Dumping virtual machine memory
- 38.8 Managing virtual machine snapshots
- 38.9 Suspending and resuming virtual machine execution
- 38.10 Live migration
- 38.11 QMP - QEMU machine protocol
- VI Troubleshooting
- Glossary
- A Virtual machine drivers
- B Configuring GPU Pass-Through for NVIDIA cards
- C XM, XL toolstacks, and the
libvirtframework - D GNU licenses
List of Figures
- 3.1 Xen virtualization architecture
- 4.1 KVM virtualization architecture
- 6.1 System Role screen
- 9.1 Connection details
- 9.2 Create virtual network
- 10.1 Specifying default options for new VMs
- 14.1 view of a VM Guest
- 14.2 Overview details
- 14.3 VM Guest title and description
- 14.4 Performance
- 14.5 Statistics charts
- 14.6 Processor view
- 14.7 Memory view
- 14.8 Boot options
- 14.9 Add a new storage
- 14.10 Add a new controller
- 14.11 Add a new network interface
- 14.12 Add a new input device
- 14.13 Add a new video device
- 14.14 Add a new USB redirector
- 14.15 Adding a PCI device
- 14.16 Adding a USB device
- 16.1 Create Virtual Machine
- 16.2 view of virtual machine configuration
- 16.3 Set firmware
- 16.4 launchSecurity
- 16.5 The view of virtual machine configuration
- 19.1 Caching mechanism
- 30.1 Boot loader settings
- 35.1 Installing the KVM hypervisor and tools
- 35.2 Network bridge
- 37.1 QEMU window with SLES as VM Guest
- 37.2 QEMU VNC session
- 37.3 Authentication dialog in Remmina
List of Tables
- 7.1 KVM VM limits
- 7.2 Xen VM limits
- 7.3 Xen host limits
- 7.4 The following SUSE host environments are supported
- 7.5 Supported offline migration guests
- 7.6 Supported live migration guests
- 7.7 Feature support—host (
Dom0) - 7.8 Guest feature support for Xen and KVM
- 32.1 Xen remote storage
- C1 Notation conventions
- C2 New global options
- C3 Common options
- C4 Domain management removed options
- C5 USB devices management removed options
- C6 CPU management removed options
- C7 Other options
- C8
xlcreateChanged options - C9
xmcreateRemoved options - C10
xlcreateAdded options - C11
xlconsoleAdded options - C12
xminfoRemoved options - C13
xmdump-coreRemoved options - C14
xmlistRemoved options - C15
xllistAdded options - C16
xlmem-*Changed options - C17
xmmigrateRemoved options - C18
xlmigrateAdded options - C19
xmrebootRemoved options - C20
xlrebootAdded options - C21
xlsaveAdded options - C22
xlrestoreAdded options - C23
xmshutdownRemoved options - C24
xlshutdownAdded options - C25
xltriggerChanged options - C26
xmsched-creditRemoved options - C27
xlsched-creditAdded options - C28
xmsched-credit2Removed options - C29
xlsched-credit2Added options - C30
xmsched-sedfremoved options - C31
xlsched-sedfadded options - C32
xmcpupool-listremoved options - C33
xmcpupool-createremoved options - C34
xlpci-detachadded options - C35
xmblock-listremoved options - C36 Other options
- C37 Network options
- C38
xlnetwork-attachremoved options - C39 New options
List of Examples
- 9.1 NAT-based network
- 9.2 Routed network
- 9.3 Isolated network
- 9.4 Using an existing bridge on VM Host Server
- 10.1 Loading kernel and initrd from HTTP server
- 10.2 Example of a
virt-installcommand line - 11.1 Typical output of
kvm_stat - 15.1 Example XML configuration file
- 27.1 Guest domain configuration file for SLED 12:
/etc/xen/sled12.cfg - 35.1 Exporting host's file system with VirtFS
- 37.1 Restricted user-mode networking
- 37.2 User-mode networking with custom IP range
- 37.3 User-mode networking with network-boot and TFTP
- 37.4 User-mode networking with host port forwarding
- 37.5 Password authentication
- 37.6 x509 certificate authentication
- 37.7 x509 certificate and password authentication
- 37.8 SASL authentication
- C1 Converting Xen domain configuration to
libvirt
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