# 创建磁盘
qemu-img create -f qcow2 alpine.qcow2 8G
# 基于cdrom镜像创建x86虚拟机
qemu-system-x86_64 -m 512 -nic user -boot d -cdrom alpine-standard-3.20.3-x86_64.iso -hda alpine.qcow2 -display gtk -enable-kvm
# 基于cdrom镜像创建arm虚拟机
# 下面命令都-bios两种引导方式
qemu-system-aarch64 -m 2048 -cpu cortex-a57 -smp 2 -M virt -bios QEMU_EFI.fd -nographic -drive if=none,file=ubuntu-16.04.3-server-arm64.iso,id=cdrom,media=cdrom -device virtio-scsi-device -device scsi-cd,drive=cdrom -drive if=none,file=ubuntu16.04-arm64.img,id=hd0 -device virtio-blk-device,drive=hd0
qemu-system-aarch64 -m 1024 -cpu cortex-a57 -smp 2 -M virt -bios /usr/share/AAVMF/AAVMF_CODE.fd -nographic -drive if=none,file=/opt/os/CentOS-7-aarch64-Minimal-2009.iso,id=cdrom,media=cdrom -device virtio-scsi-device -device scsi-cd,drive=cdrom -drive if=none,file=/var/lib/libvirt/images/test.img,id=hd0 -device virtio-blk-device,drive=hd0
qemu-system-arm -m 1024 -cpu cortex-a15 -M virt -bios /usr/share/AAVMF/AAVMF_CODE.fd -nographic -drive if=none,file=/root/CentOS-7-aarch64-Minimal-2009.iso,id=cdrom,media=cdrom -device virtio-scsi-device -device scsi-cd,drive=cdrom -drive if=none,file=/root/centos-arm.img,id=hd0 -device virtio-blk-device,drive=hd0
qemu-system-arm -m 1024 -cpu cortex-a15 -M virt -bios /usr/share/AAVMF/AAVMF_CODE.fd -nographic -drive if=none,file=/root/CentOS-7-aarch64-Minimal-2009.iso,id=cdrom,media=cdrom -device virtio-scsi-device -device scsi-cd,drive=cdrom -drive if=none,file=/root/centos-arm.img,id=hd0 -device virtio-blk-device,drive=hd0
qemu-system-aarch64 \
-m 4096M -cpu cortex-a57 -M virt \
-bios QEMU_EFI.fd \
-localtime -serial telnet::4444,server -nographic \
-drive if=none,file=./qcow2.img,id=hd0 \
-device virtio-blk-device,drive=hd0 \
-device virtio-net-device,vlan=0,id=net0,mac=52:54:00:09:a4:37 \
-net user,vlan=0,name=hostnet0 \
-redir tcp:40022::22
