虚拟机管理工具 virsh

virsh 管理虚拟的机工具，不仅可以管理kvm 还可以管理xen vmare

virsh - management user interface

查看虚拟机

[root@kvm ~]# virsh list
setlocale: No such file or directory
 Id    Name                           State
----------------------------------------------------
 2     debain                         running

查看虚拟机，包括不在running状态的虚拟机

[root@kvm ~]# virsh list --all
setlocale: No such file or directory
 Id    Name                           State
----------------------------------------------------
 2     debain                         running

启动虚拟机

[root@kvm ~]# virsh start debain
setlocale: No such file or directory
Domain debain started

关闭虚拟机

[root@kvm ~]# virsh shutdown debain
setlocale: No such file or directory
Domain debain is being shutdown

删除虚拟机

[root@kvm ~]# virsh shutdown debain
[root@kvm ~]# virsh undefine debain
Domain debain has been undefined  # 删除后定义文件一同被删除，磁盘文件还在

导入虚拟机

virt-install --import \
--name kvm2import \
--ram 2048 --vcpus=2 --cpu host-model \
--disk path=/opt/debain.raw,bus=virtio \
--network network=default,model=virtio \
--graphics vnc,listen=0.0.0.0,port=5910 \
--noautoconsole

暂停虚拟机

[root@kvm ~]# virsh suspend  debain
setlocale: No such file or directory
Domain debain suspended
 
[root@kvm ~]# virsh list --all
setlocale: No such file or directory
 Id    Name                           State
----------------------------------------------------
 3     debain                         paused

恢复暂停的虚拟机

[root@kvm ~]# virsh resume debain
setlocale: No such file or directory
Domain debain resumed
 
[root@kvm ~]# virsh list --all
setlocale: No such file or directory
 Id    Name                           State
----------------------------------------------------
 3     debain                         running

虚拟机克隆

# 克隆了配置文件和磁盘文件
virt-clone --auto-clone -o 模板名称 -n 克隆后的虚拟机名称
virt-clone --auto-clone -o debain -n debain-01
virt-clone --auto-clone -o debain -n debain-02

设置自启动

[root@kvm ~]# virsh autostart debain
setlocale: No such file or directory
Domain debain marked as autostarted

取消自启动

virsh autostart --disable debain

查看虚拟机的概述

[root@lvm ~]# virsh dominfo debain
setlocale: No such file or directory
Id:             3
Name:           debain
UUID:           382ac07b-7d64-4de0-951d-773b24342b7d
OS Type:        hvm
State:          running
CPU(s):         1
CPU time:       32.1s
Max memory:     1048576 KiB
Used memory:    1048576 KiB
Persistent:     yes
Autostart:      disable
Managed save:   no
Security model: none
Security DOI:   0