virsh --help

[root@node124 qemu]# virsh --help


virsh [options]... [<command_string>]

virsh [options]... <command> [args...]



    -c |--connect=URI      hypervisor connectionURI

    -r |--readonly         connect readonly

    -d |--debug=NUM        debug level [0-4]

    -h |--help             this help

    -q |--quiet            quiet mode

    -t |--timing           print timinginformation

    -l |--log=FILE         output logging to file

    -v                      short version

    -V                      long version

        --version[=TYPE]   version, TYPEis short or long (default short)

    -e | --escape<char>    set escape sequence forconsole


  commands (noninteractive mode):


 Domain Management(help keyword 'domain')

   attach-device                 attach device from an XML file

   attach-disk                   attach disk device

   attach-interface              attach network interface

    autostart                      autostart a domain

   blkdeviotune                   Setor query a block device I/O tuning parameters.

    blkiotune                      Get or set blkio parameters

   blockcommit                   Start a block commit operation.

    blockcopy                      Start a block copyoperation.

    blockjob                       Manage active blockoperations

    blockpull                      Populate a disk from itsbacking image.

   blockresize                   Resize block device of domain.

   change-media                  Change media of CD or floppy drive

    console                        connect to the guestconsole

    cpu-baseline                   compute baseline CPU

   cpu-compare                   compare host CPU with a CPU described by an XML file

   cpu-stats                     show domain cpu statistics

    create                         create a domain froman XML file

    define                         define (but don't start) adomain from an XML file

    desc                           show or set domain'sdescription or title

    destroy                        destroy (stop) a domain

   detach-device                 detach device from an XML file

   detach-disk                   detach disk device

   detach-interface              detach network interface

   domdisplay                    domain display connection URI

   domhostname                   print the domain's hostname

    domid                          convert a domain nameor UUID to domain id

   domif-setlink                  setlink state of a virtual interface

   domiftune                     get/set parameters of a virtual interface

   domjobabort                   abort active domain job

   domjobinfo                    domain job information

    domname                        convert a domain id orUUID to domain name

   dompmsuspend                   suspend a domain gracefully usingpower management functions

   dompmwakeup                   wakeup a domain from pmsuspended state

    domuuid                        convert a domain nameor id to domain UUID

   domxml-from-native             Convert native config to domain XML

   domxml-to-native              Convert domain XML to native config

    dump                           dump the core of adomain to a file for analysis

    dumpxml                        domain information inXML

    edit                           edit XMLconfiguration for a domain

   inject-nmi                    Inject NMI to the guest

   send-key                      Send keycodes to the guest

   managedsave                   managed save of a domain state

    managedsave-remove             Remove managed save of a domain

   maxvcpus                      connection vcpu maximum

    memtune                        Get or set memoryparameters

    migrate                        migrate domain toanother host

   migrate-setmaxdowntime         setmaximum tolerable downtime

   migrate-setspeed               Setthe maximum migration bandwidth

   migrate-getspeed               Getthe maximum migration bandwidth

   numatune                       Getor set numa parameters

    reboot                         reboot a domain

    reset                          reset a domain

    restore                        restore a domain from asaved state in a file

    resume                         resume a domain

    save                           save a domain stateto a file

   save-image-define             redefine the XML for a domain's saved state file

   save-image-dumpxml            saved state domain information in XML

   save-image-edit               edit XML for a domain's saved state file

   schedinfo                     show/set scheduler parameters

   screenshot                    take a screenshot of a current domain console and store it into a file

   setmaxmem                     change maximum memory limit

    setmem                         change memoryallocation

   setvcpus                      change number of virtual CPUs

   shutdown                      gracefully shutdown a domain#ر

    start                          start a (previouslydefined) inactive domain

    suspend                        suspend a domain       #ͣ

   ttyconsole                     ttyconsole

   undefine                      undefine a domain    #¶һ̨

   update-device                 update device from an XML file

   vcpucount                     domain vcpu counts

   vcpuinfo                      detailed domain vcpu information

    vcpupin                        control or query domainvcpu affinity

   emulatorpin                   control or query domain emulator affinity

   vncdisplay                     vncdisplay


 DomainMonitoring (help keyword 'monitor')

   domblkerror                   Show errors on block devices

   domblkinfo                     domain block device sizeinformation

   domblklist                    list all domain blocks

   domblkstat                     getdevice block stats for a domain

   domcontrol                    domain control interface state

    domif-getlink                  get link state of a virtualinterface

   domiflist                     list all domain virtual interfaces

   domifstat                      getnetwork interface stats for a domain

    dominfo                        domain information

   dommemstat                     getmemory statistics for a domain

   domstate                      domain state

    list                           list domains


 Host andHypervisor (help keyword 'host')

   capabilities                  capabilities

   freecell                      NUMA free memory

   hostname                      print the hypervisor hostname

   node-memory-tune               Getor set node memory parameters

   nodecpustats                   Prints cpu stats of the node.

   nodeinfo                      node information

   nodememstats                  Prints memory stats of the node.

   nodesuspend                   suspend the host node for a given time duration

    qemu-attach                    QEMU Attach

   qemu-monitor-command          QEMU Monitor Command

   qemu-agent-command            QEMU Guest Agent Command

    sysinfo                        print the hypervisorsysinfo

    uri                            print thehypervisor canonical URI

    version                        show version


 Interface (helpkeyword 'interface')

   iface-begin                   create a snapshot of current interfaces settings, which can be latercommitted (iface-commit) or restored (iface-rollback)

   iface-bridge                  create a bridge device and attach an existing network device to it

   iface-commit                  commit changes made since iface-begin and free restore point

   iface-define                   define(but don't start) a physical host interface from an XML file

   iface-destroy                 destroy a physical host interface (disable it / "if-down")

   iface-dumpxml                 interface information in XML

   iface-edit                    edit XML configuration for a physical host interface

   iface-list                    list physical host interfaces

   iface-mac                     convert an interface name to interface MAC address

   iface-name                     convert an interface MACaddress to interface name

   iface-rollback                rollback to previous saved configuration created via iface-begin

   iface-start                   start a physical host interface (enable it / "if-up")

   iface-unbridge                undefine a bridge device after detaching its slave device

   iface-undefine                undefine a physical host interface (remove it from configuration)


 Network Filter(help keyword 'filter')

   nwfilter-define               define or update a network filter from an XML file

   nwfilter-dumpxml              network filter information in XML

   nwfilter-edit                 edit XML configuration for a network filter

   nwfilter-list                 list network filters

   nwfilter-undefine             undefine a network filter


 Networking(help keyword 'network')

   net-autostart                 autostart a network

   net-create                    create a network from an XML file

   net-define                     define (but don't start) anetwork from an XML file

   net-destroy                   destroy (stop) a network

   net-dumpxml                   network information in XML

   net-edit                      edit XML configuration for a network

   net-info                      network information

   net-list                      list networks

   net-name                      convert a network UUID to network name

    net-start                      start a (previouslydefined) inactive network

   net-undefine                  undefine an inactive network

   net-update                    update parts of an existing network's configuration

   net-uuid                       convert a network name to network UUID


 Node Device(help keyword 'nodedev')

   nodedev-create                create a device defined by an XML file on the node

   nodedev-destroy               destroy (stop) a device on the node

    nodedev-detach                 detach node device from itsdevice driver

   nodedev-dumpxml               node device details in XML

   nodedev-list                  enumerate devices on this host

   nodedev-reattach              reattach node device to its device driver

   nodedev-reset                 reset node device


 Secret (helpkeyword 'secret')

   secret-define                 define or modify a secret from an XML file

   secret-dumpxml                secret attributes in XML

   secret-get-value              Output a secret value

   secret-list                   list secrets

   secret-set-value               seta secret value

   secret-undefine               undefine a secret


 Snapshot (helpkeyword 'snapshot')

    snapshot-create                Create a snapshot from XML

   snapshot-create-as            Create a snapshot from a set of args

   snapshot-current               Getor set the current snapshot

   snapshot-delete               Delete a domain snapshot

    snapshot-dumpxml               Dump XML for a domain snapshot

   snapshot-edit                 edit XML for a snapshot

   snapshot-info                 snapshot information

   snapshot-list                 List snapshots for a domain

    snapshot-parent                Get the name of the parent of asnapshot

   snapshot-revert               Revert a domain to a snapshot


 Storage Pool(help keyword 'pool')

   find-storage-pool-sources-as  find potential storage pool sources

   find-storage-pool-sources     discover potential storage pool sources

   pool-autostart                autostart a pool

   pool-build                    build a pool

   pool-create-as                create a pool from a set of args

   pool-create                   create a pool from an XML file

   pool-define-as                define a pool from a set of args

   pool-define                   define (but don't start) a pool from an XML file

   pool-delete                    deletea pool

   pool-destroy                  destroy (stop) a pool

   pool-dumpxml                  pool information in XML

   pool-edit                     edit XML configuration for a storage pool

   pool-info                     storage pool information

   pool-list                     list pools

   pool-name                     convert a pool UUID to pool name

   pool-refresh                  refresh a pool

   pool-start                    start a (previously defined) inactive pool

    pool-undefine                  undefine an inactive pool

   pool-uuid                     convert a pool name to pool UUID


 Storage Volume(help keyword 'volume')

   vol-clone                     clone a volume.

   vol-create-as                 create a volume from a set of args

   vol-create                    create a vol from an XML file

   vol-create-from               create a vol, using another volume as input

   vol-delete                    delete a vol

   vol-download                  download volume contents to a file

   vol-dumpxml                    volinformation in XML

   vol-info                      storage vol information

    vol-key                        returns the volume keyfor a given volume name or path

   vol-list                      list vols

   vol-name                      returns the volume name for a given volume key or path

   vol-path                      returns the volume path for a given volume name or key

    vol-pool                       returns the storage poolfor a given volume key or path

   vol-resize                    resize a vol

   vol-upload                    upload file contents to a volume

   vol-wipe                      wipe a vol


 Virsh itself(help keyword 'virsh')

    cd                             change the currentdirectory

    connect                        (re)connect tohypervisor

    echo                           echo arguments

    exit                           quit thisinteractive terminal

    help                           print help

    pwd                            print the currentdirectory

    quit                           quit thisinteractive terminal



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