KVM (kernel-based Virtual http://www.aliyun.com/zixun/aggregation/39569.html ">machine") http://www.linux-kvm.org/, A kernel based virtual machine, with QEMU (processor virtual software), requires CPU-enabled virtualization (and the Virtualization option is turned on in the BIOS), which can be more than 80% more efficient than the physical machine. In addition, it supports SMP very well.
Contrast
1, VMware's comprehensive function, set overall, the speed is relatively the slowest; 2, VirtualBox more efficient than VMware, the most Chinese users; 3, KVM overall efficiency is highest.
System Requirements
How do you find out if your system can run KVM? Need a processor that supports virtualization, check the way here are two kinds:
Here is a list of compatible KVM processors (http://en.wikipedia.org/wiki/X86_virtualization#AMD_virtualization_.28AMD-V.29) to see if your processor is in it.
You can also check/proc/cpuinfo, if you see VMX or SMX in the CPU flags field, your processor supports KVM.
Get KVM
Apt://qemu-kvm
Administrative Tools (cli--command line or desktop--desktop or web--network)
There are several active development management tools, reference Http://www.linux-kvm.org/page/Management_Tools
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