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[【原文链接】基于x86架构的CentOS7虚拟机通过qemu安装ARM架构OpenEuler虚拟机](http://devops-dev.com/article/464)

（1）首先需要有一台CentOS虚拟机，如没有可参考 [VMWare安装CentOS7操作系统的虚拟机](http://devops-dev.com/article/427) 安装一台CentOS虚拟机

（2）安装基础命令
```bash
yum install -y net-tools
yum install -y wget
```

（3）下载ARM架构的openEuler操作系统镜像
```bash
mkdir -p /opt/os
cd /opt/os
wget https://repo.openeuler.org/openEuler-22.03-LTS/ISO/aarch64/openEuler-22.03-LTS-aarch64-dvd.iso --no-check-certificate
chmod 777 /opt/os/openEuler-22.03-LTS-aarch64-dvd.iso
```

（4）下载ARM架构的EFI
路径为 /usr/share/AAVMF/AAVMF_CODE.fd
```bash
yum install -y http://mirror.centos.org/altarch/7/os/aarch64/Packages/AAVMF-20180508-6.gitee3198e672e2.el7.noarch.rpm
```

（5）安装基础依赖
```bash
yum install -y kvm qemu virt-viewer virt-manager libvirt libvirt-python python-virtinst
yum install libguestfs-tools -y
yum install virt-install.noarch -y
systemctl enable libvirtd
systemctl start libvirtd
usermod -aG libvirt $(whoami)
yum install virt-install virt-viewer virt-manager -y
```

（6）修改qemu配置文件
```bash
vi /etc/libvirt/qemu.conf
```
将如下两行放开注释
![](https://redrose2100.oss-cn-hangzhou.aliyuncs.com/img/f7edb8c0-642a-11ed-aed9-0242ac110002.png)

（7）重启虚拟机
```bash
reboot
```

（8）下载qemu
```bash
cd /opt
wget https://download.qemu.org/qemu-4.2.0.tar.xz
```

（9）安装基础依赖
```bash
yum install python2 zlib-devel glib2-devel pixman-devel gcc -y
```

（10）将qemu解压
```bash
cd /opt/
tar xf qemu-4.2.0.tar.xz
```

（11）安装qemu
```bash
cd qemu-4.2.0/
./configure --target-list=aarch64-softmmu --prefix=/usr
make -j8
make install
```

（12）创建磁盘
```bash
rm -rf /var/lib/libvirt/images/test.img
qemu-img create /var/lib/libvirt/images/test.img 30G
```

（13）启动虚拟机
```bash
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/openEuler-22.03-LTS-aarch64-dvd.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
```

（14）选择“Troubleshutiing”，然后输入 -e
![](https://redrose2100.oss-cn-hangzhou.aliyuncs.com/img/db6d16ba-7207-11ed-9977-0242ac110002.png)

（15）然后将 console=tty0 删除
![](https://redrose2100.oss-cn-hangzhou.aliyuncs.com/img/11a01066-7208-11ed-9977-0242ac110002.png)

（16）然后使用快捷键 ctrl + x 进入安装界面，回车后开始安装
![](https://redrose2100.oss-cn-hangzhou.aliyuncs.com/img/3b50ff06-7208-11ed-9977-0242ac110002.png)

（17）然后按照提示设置安装选项即可
![](https://redrose2100.oss-cn-hangzhou.aliyuncs.com/img/4c2e4104-720c-11ed-9977-0242ac110002.png)

（18）安装完成后，输入root 和密码，即可登录了
![](https://redrose2100.oss-cn-hangzhou.aliyuncs.com/img/f99673fc-7216-11ed-9977-0242ac110002.png)

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