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title: "SSM Patching"
type: concept
tags: ["AWS", "Patch-Management", "SSM", "Security"]
sources: ["learning-sessions-standard-amis-updates-20231205-160324-meeting-recording-2"]
last_updated: 2026-05-08
---
## Definition
SSM PatchingSSM 补丁管理)是 AWS Systems Manager 提供的自动化补丁管理功能通过补丁基准Patch Baseline和维护窗口Maintenance Window为长期运行的 EC2 实例按需打补丁,作为 AMI 刷新策略的补充方案。
## Problem Solved
- **长期运行实例**:无法频繁重建和刷新 AMI
- **安全合规**:需要持续应用安全补丁
- **手动打补丁**:耗时且易出错
## Key Components
- **Patch Baseline**:定义补丁审批规则(批准/拒绝)
- **Patch Group**:按标签分组的实例集合
- **Maintenance Window**:定义打补丁的时间窗口
- **SSM Automation Document**:自动化补丁安装流程
## Connections
- [[AWS-SSM]] — SSM Patching 是 AWS Systems Manager 的功能之一
- [[Amazon-Machine-Image]] — SSM Patching 补充而非替代 AMI 刷新
- [[AWS-Landing-Zone]] — SSM Patching 是 LZ 运维自动化的组成部分