實驗環境：
kernel：2.6.32-504.el6.x86_64 system:centos-6.6-x86-64
安裝環境：
yum groupinstall "Desktop" yum install qemu-kvm.x86_64 -y yum install python-virtinst.noarch -y yum install qemu-img.x86_64 -y yum install libvirt yum install virt-manager [root@localhost ~]# cat /proc/cpuinfo |grep vmx flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc up arch_perfmon pebs bts xtopology tsc_reliable nonstop_tsc aperfmperf unfair_spinlock pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt aes xsave avx f16c rdrand hypervisor lahf_lm ida arat epb xsaveopt pln pts dts tpr_shadow vnmi ept vpid fsgsbase smep [root@localhost ~]# lsmod |grep kvm kvm_intel 55496 3 kvm 337772 1 kvm_intel
安裝centos6.6虛擬機：
