# 1、安装mondorescue

```shell
cd /etc/yum.repos.d
wget ftp://ftp.mondorescue.org/centos/7/x86_64/mondorescue.repo
vim mondorescue.repo
[mondorescue]
name=centos 7 x86_64 - mondorescue Vanilla Packages
baseurl=ftp://ftp.mondorescue.org//centos/7/x86_64
enabled=1
gpgcheck=0 # 1改为0
gpgkey=ftp://ftp.mondorescue.org//centos/7/x86_64/mondorescue.pubkey

yum install mondo -y
```

# 2、生成iso文件

```shell
mondoarchive
```

* 选择hard disk

![image-20220604220115961](assets/image-20220604220115961.png)

* 其他的一律选择OK，等待备份完成

![image-20220604220217068](assets/image-20220604220217068.png)

* 进入`/var/cache/mondo`目录，导出iso文件

# 3、恢复

* 选择刚刚的iso文件。默认选择centos7系统

![image-20220604223018915](assets/image-20220604223018915.png)

* 输入nuke选择自动恢复

![image-20220604223141370](assets/image-20220604223141370.png)

* 恢复完成后，`重启电脑`，直接关机有可能不成功，虚拟机内存至少1G，硬盘至少20G。直接输入`exit`

![image-20220605192912893](assets/image-20220605192912893.png)

* 如果没有ip，直接重启即可