[root@puppetserver soft]# yum install qemu-kvm libvirt python-virtinst bridge-utils
[root@puppetserver soft]# yum install kvm libvirt python-virtinst qemu-kvm virt-viewer bridge-utils
[root@puppetserver soft]# lsmod | grep kvm
kvm_intel  53484 0 
kvm   316506 1 kvm_intel

[root@puppetserver soft]# /etc/init.d/libvirtd start
Starting libvirtd daemon:     [ OK ]

virsh # list --all
 Id Name    State
----------------------------------------------------
 3 test    running
 - test02    shut off
 - test03    shut off


[root@puppetnode01 ~]# cd /etc/libvirt/qemu
[root@puppetnode01 qemu]# ll
total 16
drwxr-xr-x 2 root root 4096 Oct 28 19:36 autostart
drwx------ 3 root root 4096 Oct 28 09:44 networks
-rw------- 1 root root 2965 Oct 28 16:41 test02.xml
-rw------- 1 root root 2961 Oct 28 17:15 test.xml

virsh # destroy test03
error: Failed to destroy domain test03
error: Requested operation is not valid: domain is not running

virsh # undefine test03
Domain test03 has been undefined

virsh # undefine test02
Domain test02 has been undefined

virsh # destroy test
Domain test destroyed

virsh # list --all 
 Id Name    State
----------------------------------------------------
 - test    shut off

virsh # undefine test
Domain test has been undefined

virsh # list --all 
 Id Name    State
----------------------------------------------------

virsh # 


[root@puppetnode01 qemu]# ll
total 8
drwxr-xr-x 2 root root 4096 Oct 28 19:37 autostart
drwx------ 3 root root 4096 Oct 28 09:44 networks
[root@puppetnode01 qemu]#