devops
devops related cheatsheet collection - 4 quick reference guides. Find fast, copy directly. The essential online command reference for developers and SRE.
Ansible Cheatsheet - Automation
一页速查 Ansible 常用命令和模块，覆盖 ad-hoc 命令、Playbook 编写、常用模块（shell/copy/template/service）、Inventory 管理等自动化运维场景。快速查找，直接复制。
Vagrant Cheatsheet - VM Management
一页速查 Vagrant 常用命令，覆盖虚拟机生命周期管理、Vagrantfile 配置、多机器定义、Provision 自动化等开发环境搭建高频场景。快速查找，直接复制。
Terraform Cheatsheet - Infrastructure as Code Command Reference
One-page Terraform command reference covering init/plan/apply/destroy workflow, state management, variables and outputs, modules, and remote backends. Find fast, copy directly.
AWS CLI Cheatsheet - Cloud Commands
AWS CLI 常用命令一页速查：EC2 实例管理、S3 文件操作、RDS 数据库、IAM 用户、CloudWatch 日志，覆盖云运维高频用法。