Developer Cheatsheet
A collection of 130+ command cheatsheets covering Docker, Kubernetes, Git, Linux, Nginx, MySQL, Python, JavaScript and more. Find fast, copy directly.
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Containers & Orchestration
4 cheatsheetsDocker CLI Cheatsheet - Command Reference
One-page Docker CLI command reference covering image build/pull, container run/exec/logs, network & volume, Compose orchestration, and system prune — 30+ common operations with key flags and troubleshooting scenarios. Quick lookup, copy and run.
kubectl Cheatsheet - Command Reference
One-page kubectl command reference covering pod querying & log diagnosis, deployment scaling & rolling updates, context & namespace switching, and event troubleshooting — 20+ common operations with CrashLoop and ImagePullBackOff debugging paths. Quick lookup, copy and run.
Docker Compose Cheatsheet - Command Reference
One-page Docker Compose command reference covering multi-service orchestration, log tracking & status inspection, config validation & build, network & named volume management, and horizontal scaling — 20+ common operations with key flags and troubleshooting scenarios. Quick lookup, copy and run.
Dockerfile Cheatsheet - Docker Image Build Reference
一页速查 Dockerfile 常用指令，覆盖 FROM 基础镜像选择、RUN 命令执行、COPY/ADD 文件复制、ENV 环境变量、EXPOSE 端口声明、多阶段构建优化等 30+ 指令，含最佳实践与构建优化技巧。快速查找，直接复制。
Version Control
3 cheatsheetsGit Cheatsheet - Command Reference
One-page Git command reference covering code commit & stash, branch creation & merge, commit revert & recovery, and remote repository operations — 30+ common operations for daily collaboration and commit recovery scenarios. Quick lookup, copy and run.
Git Branch Management Cheatsheet - Command Reference
One-page Git branch operations reference covering branch creation & switching, merge & rebase, remote branch push & pull, and branch deletion & cleanup. Covers high-frequency usage for team collaboration. Quick lookup, copy and run.
Git Log Cheatsheet - Git Commit History Reference
一页速查 Git log 提交历史查询命令，覆盖格式化输出自定义、过滤条件筛选、统计与分析、范围差异对比、文件历史追踪等 30+ 用法，含代码审查和问题排查高频场景。快速查找，直接复制。
SysOps
36 cheatsheetsLinux Troubleshooting Cheatsheet - System Fault Diagnosis Command Reference
One-page Linux troubleshooting reference covering CPU diagnosis, memory analysis, disk I/O, network troubleshooting, and process management. Quick find, direct copy.
Vim Cheatsheet - Editor Command Reference
One-page Vim reference covering cursor movement, text editing, search and replace, visual mode, and save/exit operations. Quick find, direct copy.
Systemd Cheatsheet - Systemd Service Management Command Reference
一页速查 Systemd 服务管理命令，覆盖服务启动停止、开机自启、journalctl 日志查看、定时器配置、资源限制等场景。快速查找，直接复制。
Cron Cheatsheet - Cron Expression & Task Scheduling Reference
一页速查 Cron 表达式和定时任务配置，覆盖 5 段格式说明、常用示例、特殊符号、时间宏、环境变量和排坑要点等场景。快速查找，直接复制。
tmux Cheatsheet - Terminal Multiplexer Command Reference
One-page tmux reference covering session management, window operations, pane splitting, copy mode, and custom configuration. Quick find, direct copy.
tar Cheatsheet - tar Archive & Compression Reference
一页速查 tar 压缩解压命令，覆盖 tar/gz/bz2/xz/zst 各种格式、打包排除文件、查看内容和增量备份等高频操作。快速查找，直接复制。
Web Services
16 cheatsheetsNginx Cheatsheet - Nginx Configuration & Command Reference
One-page Nginx reference covering config testing with nginx -t/-s reload, location matching priority, proxy_pass reverse proxy snippets, and access/error log troubleshooting. Quick reference, copy directly.
curl Cheatsheet - curl HTTP Debugging Command Reference
One-page curl HTTP debugging reference covering GET/POST basics, -v/-I/-w for detailed debugging, -x proxy & timeout, -u/-F/-o for auth and upload. Quick reference, copy directly.
SSH Cheatsheet - SSH Connection & Configuration Command Reference
One-page SSH reference covering ssh -i/-p/-vvv for login debugging, ssh-keygen & ssh-copy-id for key management, ~/.ssh/config aliases & ProxyJump, -L/-R/-D port forwarding & SOCKS proxy. Quick reference, copy directly.
HTML Cheatsheet - HTML Tags & Attributes Reference
一页速查 HTML 常用标签和属性，覆盖文档结构、文本格式化、列表、链接图片、表格、表单和语义化标签等网页开发高频场景。快速查找，直接复制。
CSS3 Cheatsheet - CSS3 Properties & Layout Reference
一页速查 CSS3 常用属性和技巧，覆盖选择器、盒模型、Flex/Grid 布局、定位、动画、响应式等前端样式高频场景。快速查找，直接复制。
Emmet Cheatsheet - Emmet Abbreviation & Syntax Reference
一页速查 Emmet 代码展开语法，覆盖 HTML 结构生成、CSS 简写、属性填充、嵌套与循环等前端开发高频场景，VSCode 内置支持。快速查找，直接复制。
Databases
9 cheatsheetsElasticsearch Cheatsheet - Command Reference
一页速查 Elasticsearch 常用命令，覆盖集群健康检查、分片分配诊断、索引管理、文档 CRUD、搜索查询、聚合分析、慢查询排查与磁盘运维等场景。快速查找，直接复制。
MySQL Cheatsheet - MySQL Command Reference
One-page MySQL command reference covering database & table management, CRUD operations, index optimization, user privileges, backup & recovery, and replication. Quick lookup, copy and paste.
PostgreSQL Cheatsheet - PostgreSQL Command Reference
One-page PostgreSQL command reference covering connection & role management, database & table operations, query analysis, lock & transaction troubleshooting, backup & recovery, and streaming replication. Quick lookup, copy and paste.
Redis Cheatsheet - Redis Command Reference
One-page Redis command reference covering string & data structure operations, key space management, persistence configuration, memory troubleshooting, slow query monitoring, and cluster & replication. Quick lookup, copy and paste.
MongoDB Cheatsheet - MongoDB Command Reference
一页速查 MongoDB 数据库常用命令，覆盖数据库与集合管理、文档增删改查、查询操作符、索引优化、聚合管道、复制集与分片等场景。快速查找，直接复制。
Neo4j Cypher Cheatsheet - Neo4j Graph Database Command Reference
一页速查 Neo4j Cypher 查询语言常用命令，覆盖节点与关系创建、查询匹配、更新删除、聚合排序、索引约束、图算法等场景。快速查找，直接复制。
Languages
29 cheatsheetsPython Cheatsheet - Command Reference
One-page Python cheatsheet covering variables, data types, strings, lists, dicts, functions, file I/O, exception handling, and more. Quick lookup, copy-ready.
JavaScript Cheatsheet - ES6+ Command Reference
One-page JavaScript ES6+ cheatsheet covering let/const, arrow functions, destructuring, template literals, Promise/async-await, modules, and array methods. Quick lookup, copy-ready.
Go Cheatsheet - Go Syntax & Concurrency Reference
一页速查 Go 语言常用语法，覆盖变量声明、数据类型、控制流、函数、结构体与接口、并发编程（goroutine/channel）和错误处理等核心用法。快速查找，直接复制。
NumPy Cheatsheet - NumPy Functions & Array Operations Reference
一页速查 NumPy 常用函数与操作，覆盖数组创建、索引切片、形状变换、数学运算、统计函数、随机数与广播机制等核心用法。快速查找，直接复制。
Java Cheatsheet - Java & JVM Command Reference
一页速查 Java 常用命令，覆盖编译运行、Maven/Gradle 构建、JVM 参数调优、GC 日志分析、JStack/JMap 排障等核心用法。快速查找，直接复制。
PHP Cheatsheet - PHP & Composer Command Reference
一页速查 PHP 常用命令，覆盖 CLI 运行、Composer 依赖管理、内置服务器、扩展管理、代码检查与性能分析等核心用法。快速查找，直接复制。
Dev Tools
22 cheatsheetsPM2 Cheatsheet - Node.js Process Manager Reference
一页速查 PM2 Node.js 进程管理常用命令，覆盖启动停止与重启、日志管理与轮转、集群模式与零停机重载、监控面板与状态查看、开机自启配置等 30+ 高频操作，含关键参数说明与典型运维排障场景。快速查找，直接复制。
VSCode Cheatsheet - VS Code Shortcut Reference
一页速查 VSCode 常用快捷键，覆盖命令面板与文件操作、多光标编辑与代码导航、重构与调试、Git 集成操作等 30+ 快捷键，含自定义键位配置技巧。快速查找，直接复制。
Emacs Cheatsheet - Emacs Shortcut Reference
一页速查 Emacs 常用快捷键，覆盖文件与缓冲区操作、光标移动与编辑、搜索替换、窗口管理、键盘宏、Org-mode 等 40+ 快捷键，含 C/M 快捷键前缀约定说明。快速查找，直接复制。
ChatGPT Cheatsheet - AI Prompt Reference
一页速查 ChatGPT 提示词设计与模板，覆盖角色设定与身份指定、任务框架与步骤分解、输出格式控制与约束、Few-shot 示例与思维链引导等 30+ 技巧，含日常办公、编程、写作高频场景。快速查找，直接复制。
Pandoc Cheatsheet - Document Conversion Command Reference
一页速查 Pandoc 文档转换常用命令，覆盖 Markdown/HTML/PDF/DOCX/EPUB 互转、PDF 中文排版与字体设置、自定义模板与样式、幻灯片与电子书制作、引用文献与数学公式等 30+ 操作。快速查找，直接复制。
Homebrew Cheatsheet - macOS Package Manager Reference
一页速查 Homebrew macOS 包管理常用命令，覆盖软件安装更新卸载、Cask GUI 应用管理、服务启动停止管理、国内源切换配置、依赖查看与问题排查等 30+ 高频操作。快速查找，直接复制。
Config Formats
4 cheatsheetsYAML Cheatsheet - YAML Syntax Reference
YAML 语法一页速查：键值对、列表、嵌套结构、多行字符串、锚点引用和类型转换，覆盖写配置文件的高频用法。
JSON Cheatsheet
One-page JSON reference: data types, objects, arrays, nested structures, common patterns, and validation. Covers high-frequency usage for writing config files and API data.
TOML Cheatsheet - TOML Configuration Reference
TOML 配置文件语法一页速查：键值对、字符串、数字、布尔、日期、数组、表格与内联表格，覆盖 Rust/Cargo、Hugo 等工具配置。
INI Cheatsheet - INI Configuration Reference
INI 配置文件语法一页速查：节、键值对、注释、数据类型与常见应用，覆盖 Windows 配置、PHP 配置等场景。
Reference
14 cheatsheetsRegular Expressions Cheatsheet - Regex Syntax Reference
One-page regex syntax reference covering character classes, quantifiers, anchors, groups & captures, lookahead/lookbehind, common patterns, and flags. For grep/sed/awk/JavaScript/Python. Quick lookup, copy and paste.
HTTP Status Codes Cheatsheet - HTTP Response Status Code Reference
一页速查 HTTP 状态码，覆盖 1xx 信息、2xx 成功、3xx 重定向、4xx 客户端错误、5xx 服务端错误的完整列表，含含义说明与常见排障场景。快速查找，直接复制。
Markdown Cheatsheet - Markdown Syntax Reference
One-page Markdown syntax reference covering headings, text formatting, links & images, lists, code blocks, tables, blockquotes, and GFM extensions. For writing docs and READMEs. Quick lookup, copy and paste.
LaTeX Cheatsheet - LaTeX Academic Typesetting Reference
一页速查 LaTeX 常用命令，覆盖文档结构、文本格式、数学公式、列表环境、表格与图表、参考文献等场景，适合学术论文排版。快速查找，直接复制。
ASCII Code Cheatsheet - ASCII Character Encoding Reference
一页速查 ASCII 码表，覆盖 0-127 控制字符与可打印字符的十进制/十六进制/二进制编码对照，含扩展 ASCII 和编程语言转换方法，编码调试必备。快速查找，直接复制。
MIME Types Cheatsheet - Content-Type Reference
一页速查 MIME 类型与 Content-Type 对照，覆盖文本、图片、音频、视频、应用数据、文档、压缩包、字体等文件类型，HTTP 响应头和文件上传配置必备。快速查找，直接复制。