管理虚拟机（virsh）

[root@kvm1 qemu]# virsh --help

开启和关闭

[root@kvm1 qemu]# virsh
virsh # help list

virsh # list
virsh # list --all
virsh # list --all
 Id    Name                           State
----------------------------------------------------
 12    win2k3a                        running
 -     centos6.10a1                   shut off
 -     centos6b                       shut off
virsh # start  centos6b
Domain centos6b started
virsh # shutdown 13
Domain 13 is being shutdown
virsh # destory 13
Domain 13 destroyed

暂停

virsh # help autostart
  NAME
    autostart - autostart a domain

  SYNOPSIS
    autostart <domain> [--disable]

  DESCRIPTION
    Configure a domain to be automatically started at boot.

  OPTIONS
    [--domain] <string>  domain name, id or uuid
    --disable        disable autostarting

virsh # autostart win2k3a
Domain win2k3a marked as autostarted

virsh # list --all
 Id    Name                           State
----------------------------------------------------
 -     centos6.10a1                   shut off
 -     centos6b                       shut off
 -     win2k3a                        shut off

virsh # start win2k3a
Domain win2k3a started

virsh # list --all
 Id    Name                           State
----------------------------------------------------
 14    win2k3a                        running
 -     centos6.10a1                   shut off
 -     centos6b                       shut off

virsh # suspend  win2k3a
Domain win2k3a suspended

virsh # exit

[root@kvm1 qemu]# ps aux | grem kvm
emu-kvm -name win2k3a -S -