# 准备工作

## 购买License：

访问云市场，按需购买我们的商品：[License](https://market.aliyun.com/products/56838014/cmgj00040678.html?#sku=yuncode3467800001) (以下示例为pro版本最小规格license)

![](/files/-MO5oZcOe8RscnamuTST)

## 服务开启：

1、注意检查云监控和MNS，需提前启用这两个服务，否则无法创建max\_group所使用的依赖环境。（如已启用请忽略）

![](/files/-M5v-X6UIn92NATJaAc8)

2、确保云监控授权给mns

![](/files/-M5uzwKNVeAtbXtUpq6-)

## RAM角色授权：

#### **创建RAM角色**

![](/files/-M5ux5JNECTu-9WCcOEb)

![](/files/-M5uxJGTEPA_wf-0u6jj)

![](/files/-M5uxRng2SmYirBotOqz)

点击 完成，用户创建成功，如下内容：

![](/files/-M5uyVCYO4ZkDIKM6qbP)

#### 2、点击权限管理，授权策略如下：

[AliyunECSFullAccess](https://ram.console.aliyun.com/policies/AliyunECSFullAccess/System)

[AliyunMNSFullAcces](https://ram.console.aliyun.com/policies/AliyunMNSFullAccess/System)

[AliyunCloudMonitorFullAccess](https://ram.console.aliyun.com/policies/AliyunCloudMonitorFullAccess/System)

[AliyunESSFullAccess](https://ram.console.aliyun.com/policies/AliyunESSFullAccess/System)

[AliyunRAMFullAccess](https://ram.console.aliyun.com/policies/AliyunRAMFullAccess/System)

![](/files/-M7GC33-mx_w5pUS-s1r)

创建实例时，选择创建好的RAM角色

![](/files/-M5v3JYYuUvolZl-gt93)


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