if = interface: Interface type connected hard disk device, i.e. file = / path / to / somefile: hardware image file path ◇ -drive option ]]: Define a new hard disk device there are many sub-options available. ◇ -cdrom file: file specified as the CD-ROM image, to be noted that -cdrom -hdc and can not be used the designated file / dev / cdrom may be used in direct physical drive ◇ -hdd file: as specified disk image file ◇ -fdb file: the specified file (file) as floppy images, file of / dev / fd0 floppy physical indication ◇ -numa opts: Specifies numa analog multi-node device ◇ -smp n : set number of analog SMP architecture like the CPU, each CPU and CPU cores Socket number other CPU 255 can simulate up to the PC maxcpus specified upper limit for the number of hot-pluggable CPU ◇ -cpu model: set CPU model, such as coreduo, qemu64, etc., you can use "qemu-kvm -cpu?" Get all the models supported ◇ -m megs: setting the virtual machine RAM size ◇ -M machine: Specifies the simulated host type, such as Standard PC, ISA-only PC or Intel-Mac, etc., can be "qemu-kvm -M?" Use get all types supported ◇ -name name: set the virtual machine name Qemu-kvm standard options mainly related to the specified host type, CPU mode, NUMA, floppy devices, optical devices and hardware equipment. Intel support for CPU virtualization technology list: You need to check the CPU virtualization support, and support for virtualized cpu list CPU:
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