检测区别OpenVzXenKVM 检测# Ubuntusudo apt-get install virt-whatvirt-what> openvz 区别 OpenVz OS 级别的虚拟价格低(容易超卖)共用母机Only Linux Xen 半虚拟化独立内核性价比适中(不能超卖)Windows/Linux KVM 完全虚拟化独立内核成本高Windows/Linux