kvm 使用virtio 加速
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kvm -hda ubuntu-server.img -cdrom NETKVM-20081229.iso -m 1024 -enable-kvm -net nic,model=virtio -net user
kvm -hda ubuntu-server.img -m 1024 -boot c -net nic,model-virtio -net user
kvm: -net nic,model-virtio: Invalid parameter 'model-virtio'
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kvm -hda ubuntu-server.img -m 1024 -boot c -net nic,model=virtio -net user 这个不成功
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root@ubuntu:/home/hypercube/kvm# kvm file=ubuntu-server.img,if=virtio,boot=on -m 1025
kvm: -m 1025: could not open disk image file=ubuntu-server.img,if=virtio,boot=on: No such file or directory
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kvm -drive file=ubuntu-server.img,if=virtio,boot=on
qemu-kvm: boot=on|off is deprecated and will be ignored. Future versions will reject this parameter. Please update your scripts.
kvm -drive file=ubuntu-server.img,if=virtio -m 2048
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