modprobe -l|grep kvm
yum install gcc autoconf automake libtool -y
yum install glib* zlib* -y
libvirt编译时候的问题：
#问题1：You must install the libyajl library & headers to compile libvirt
git clone git://github.com/lloyd/yajl
cd yajl
./configure && make && make install
#问题2：configure: error: You must install the device-mapper-devel
yum install device-mapper-devel device-mapper -y
#问题3：configure: error: You must install the pciaccess module to build with udev
yum install libpciaccess-devel libpciaccess -y
make时候的问题：
/home/libvirt-2.0.0/src/.libs/libvirt.so: undefined reference to `curl_multi_wait‘
collect2: ld returned 1 exit status
make[3]: *** [libvirtd] Error 1
make[3]: Leaving directory `/home/libvirt-2.0.0/daemon‘
make[2]: *** [all] Error 2
make[2]: Leaving directory `/home/libvirt-2.0.0/daemon‘
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/libvirt-2.0.0‘
make: *** [all] Error 2
#创建KVM
virt-install \
--name=guest1-centos6-64 \
--file=/var/lib/libvirt/images/guest1-rhel5-64.dsk \
--file-size=8 \
--nonsparse --graphics spice \
--vcpus=2 --ram=2048 \
--location=http://example1.com/installation_tree/RHEL5.6-Serverx86_64/os \
--network bridge=br0 \
--os-type=linux \
--os-variant=rhel5.4
待解决。