virsh 命令快速参考

本文内容来自 http://docs.fedoraproject.org/zh-CN/Fedora/12/html/Virtualization_Guide/chap-Virtualization_Guide-Managing_guests_with_virsh.html

 
virsh 命​令​快​速​参​考​
 
下​表​提​供​所​有​ virsh 命​令​行​选​项​的​快​速​参​考​。​
命​令​ Description
help 打​印​基​本​帮​助​信​息​。​
list 列​出​所​有​客​户​端​。​
dumpxml 输​出​客​户​端​ XML 配​置​文​件​。​
create 从​ XML 配​置​文​件​生​成​客​户​端​并​启​动​新​客​户​端​。​
start 启​动​未​激​活​的​客​户​端​。​
destroy 强​制​客​户​端​停​止​。​
define 为​客​户​端​输​出​ XML 配​置​文​件​。​
domid 显​示​客​户​端​ ID。​
domuuid 显​示​客​户​端​ UUID。​
dominfo 显​示​客​户​端​信​息​。​
domname 显​示​客​户​端​名​称​。​
domstate 显​示​客​户​端​状​态​。​
quit 退​出​这​个​互​动​终​端​。​
reboot 重​新​启​动​客​户​端​。​
restore 恢​复​以​前​保​存​在​文​件​中​的​客​户​端​。​
resume 恢​复​暂​停​的​客​户​端​。​
save 将​客​户​端​当​前​状​态​保​存​到​某​个​文​件​中​。​
shutdown 关​闭​某​个​域​。​
suspend 暂​停​客​户​端​。​
undefine 删​除​与​客​户​端​关​联​的​所​有​文​件​。​
migrate 将​客​户​端​迁​移​到​另​一​台​主​机​中​。​
表 15.1. 客​户​端​管​理​命​令​
 
使​用​以​下​ virsh 命​令​管​理​客​户​端​及​管​理​程​序​资​源​:
命​令​ Description
setmem 为​客​户​端​设​定​分​配​的​内​存​。​
setmaxmem 为​管​理​程​序​设​定​内​存​上​限​。​
setvcpus 修​改​为​客​户​端​分​配​的​虚​拟​ CPU 数​目​。​
vcpuinfo 显​示​客​户​端​的​虚​拟​ CPU 信​息​。​
vcpupin 控​制​客​户​端​的​虚​拟​ CPU 亲​和​性​。​
domblkstat 显​示​正​在​运​行​的​客​户​端​的​块​设​备​统​计​。​
domifstat 显​示​正​在​运​行​的​客​户​端​的​网​络​接​口​统​计​。​
attach-device 使​用​ XML 文​件​中​的​设​备​定​义​在​客​户​端​中​添​加​设​备​。​
attach-disk 在​客​户​端​中​附​加​新​磁​盘​设​备​。​
attach-interface 在​客​户​端​中​附​加​新​网​络​接​口​。​
detach-device 从​客​户​端​中​分​离​设​备​,使​用​同​样​的​ XML 描​述​作​为​命​令​ attach-device。​
detach-disk 从​客​户​端​中​分​离​磁​盘​设​备​。​
detach-interface 从​客​户​端​中​分​离​网​络​接​口​。​
表 15.2. 资​源​管​理​选​项​
 
这​些​是​其​它​ virsh 选​项​:
命​令​ Description
version 显​示​ virsh 版​本​
nodeinfo 有​关​管​理​程​序​的​输​出​信​息​
表 15.3. 其​它​选​项​
 
连​接​至​管​理​程​序​
 
使​用​ virsh 连​接​到​管​理​程​序​会​话​:
# virsh connect {hostname OR URL}
Where is the machine name of the hypervisor. To initiate a read-only connection, append the above command with -readonly.
创​建​虚​拟​机​ XML 转​储​(配​置​文​件​)
 
使​用​ virsh 输​出​客​户​端​ XML 配​置​文​件​:
# virsh dumpxml {domain-id, domain-name or domain-uuid}
This command outputs the guest's XML configuration file to standard out (stdout). You can save the data by piping the output to a file. An example of piping the output to a file called guest.xml:
# virsh dumpxml GuestID > guest.xml
This file guest.xml can recreate the guest (refer to 编​辑​客​户​端​配​置​文​件​. You can edit this XML configuration file to configure additional devices or to deploy additional guests. Refer to 第 18.1 节 “使​用​带​ virsh 的​ XML 配​置​文​件​” for more information on modifying files created with virsh dumpxml.
virsh dumpxml 输​出​示​例​:
# virsh dumpxml r5b2-mySQL01
    r5b2-mySQL01
    4a4c59a7ee3fc78196e4288f2862f011
    /usr/bin/pygrub
   
        linux
        /var/lib/libvirt/vmlinuz.2dgnU_
/var/lib/libvirt/initrd.UQafMw
        ro root=/dev/VolGroup00/LogVol00 rhgb quiet
   
    512000
    1
    destroy
    restart
    restart
   
       
           
           
           

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