很多人第一次被 Nginx 卡住，不是因为它难，而是因为不知道该先搞懂哪一层。会照着文档改 nginx.conf，能重启服务，但一旦线上出现 502、504 或者静态资源 404，就只能靠搜索引擎碰运气。这门课面向的就是这种状态：你已经接触过 Nginx，却说不清它在你手里的系统里到底承担了什么。

先弄清楚自己缺的是哪一块

Nginx 的坑通常分三类，对号入座比盲目看文档快得多。

  • 配置层面：分不清 server、location、upstream 的匹配顺序，rewrite 和 return 混着用，改了不生效也说不清为什么。
  • 转发层面：做反向代理时，请求头丢失、真实 IP 拿不到、后端超时时间没概念，出问题只能全量回滚。
  • 验证层面：不会构造压力场景，也不知道该看哪些指标，压测跑完只记得一个数字，说不清瓶颈在哪。

如果你对上其中两条以上，这门课的内容密度对你来说刚好。它不铺开讲 Nginx 全部模块，而是围绕「把请求正确、稳定地送到后端」这条主线展开，配置语法、代理转发、压测验证依次落地。

从配置结构到反向代理这条主线

课程的重心落在配置的层次关系上。你得先能读懂一个请求进来之后，Nginx 按什么顺序去匹配 server 和 location，才谈得上去改它。接着是反向代理：怎么把请求交给后端服务，代理过程中哪些请求头需要显式传递，后端拿到的是不是真实客户端地址，连接超时、读取超时要分别设在哪一层。这些点在文档里都有，但散着看很容易漏，课程把它们放在同一条链路上讲，前后能对上。

配套源码和课件的作用也在这里。配置文件是可以直接对照修改的，不用从零拼一份出来，改完能看到行为变化，比只看讲解有效。

压测不是跑个数字就完事

课程里有一段专门做压力验证，用 ab 这类工具对配置好的服务发起请求。重点不在工具本身，而在于你要能回答：这次压测打的是哪个 location，走没走后端，返回码分布说明了什么，连接数和并发数调大之后哪一项先撑不住。能把这些和前面的配置对应起来，才算真的验证过。否则压测结果只是一串看不懂的数字，换个场景又不会了。

看完应该能回答的问题

  • 一个请求进来，Nginx 匹配 server 和 location 的顺序是什么，同名 location 修饰符不同会怎样？
  • 反向代理时，后端服务为什么可能拿不到真实客户端 IP，需要在哪一层补什么？
  • 后端响应慢导致的 504，应该调哪个超时参数，调完有什么副作用？
  • 用 ab 压测时，怎么确认请求确实打到了你想要的那条 location 上？

如果这些问题你现在只能答个大概，学完再回头看一遍，能具体说出参数名和生效位置，说明这门课的目的就达到了。缺什么补什么，不用假装什么都会——Nginx 这种天天要碰的东西，含糊一次，线上就要还一次。

Nginx入门实践教程，含源码课件

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    ??05?? Nginx????????.zip  [1.8 MB]
    5-9 Nginx?????????_???????????????????.wmv  [6.3 MB]
    5-12 Nginx?????????_ab?????2.wmv  [40.3 MB]
    5-31 Nginx??????_?????????????????.wmv  [17.1 MB]
    5-27 Nginx???_Nginx+LUA?????????.wmv  [18.3 MB]
    5-11 Nginx?????????_ab?????1.wmv  [24.1 MB]
    5-8 Nginx????????_Nginx????????????.wmv  [4.9 MB]
    5-25 Nginx???_???????mariadb??lnmp????.wmv  [73.6 MB]
    5-20 Nginx???_??????????????.wmv  [8.4 MB]
    5-33 Nginx??????_???????????.wmv  [14.6 MB]
    5-1 Nginx????????_????????.wmv  [2.3 MB]
    5-4 Nginx????????_???location?????????2.wmv  [9.9 MB]
    5-32 Nginx??????_Nginx????????????????.wmv  [10.1 MB]
    5-24 Nginx???_SQL????????.wmv  [4.0 MB]
    5-23 Nginx???_SQL???.wmv  [3.2 MB]
    5-7 Nginx????????_??????????????ip???.wmv  [4.4 MB]
    5-29 Nginx???_?????????????CC???????.wmv  [13.6 MB]
    5-28 Nginx???_Nginx+LUA???????sql????????.wmv  [103.7 MB]
    5-21 Nginx???_???????????????.wmv  [6.0 MB]
    5-13 Nginx?????????_ab?????3.wmv  [23.0 MB]
    5-34 ??????.wmv  [1.5 MB]
    5-2 Nginx????????__???server_name????????????????????.wmv  [25.0 MB]
    5-14 Nginx?????????_????Nginx???????.wmv  [3.5 MB]
    5-3 Nginx????????_???location?????????1.wmv  [3.0 MB]
    5-17 Nginx?????????_CPU???????2.wmv  [19.3 MB]
    5-18 Nginx?????????_Nginx??????????.wmv  [31.1 MB]
    5-6 Nginx????????_alias??root?????????.wmv  [4.5 MB]
    5-19 Nginx???_????Nginx??????????????.wmv  [2.9 MB]
    5-10 Nginx?????????_ab?????.wmv  [3.1 MB]
    5-22 Nginx???_?????????.wmv  [6.2 MB]
    5-15 Nginx?????????_??????????.wmv  [22.9 MB]
    5-5 Nginx????????_try_files???.wmv  [21.2 MB]
    5-26 Nginx???_???SQL?????.wmv  [18.2 MB]
    5-16 Nginx?????????_CPU???????1.wmv  [35.7 MB]
    5-30 Nginx???_Nginx??????????????.wmv  [11.7 MB]
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    ??03?? ???????????.png  [493.5 KB]
    3-29 Nginx??????????_???????????????.wmv  [13.1 MB]
    3-20 Nginx?????????????_????????.wmv  [26.5 MB]
    3-3 Nginx?????????web????_CDN????.wmv  [7.7 MB]
    3-15 Nginx???????????_???????????????(2).wmv  [14.4 MB]
    3-11 Nginx?????????web????_??????(2).wmv  [75.1 MB]
    3-26 Nginx??????????_Nginx??????????.wmv  [6.1 MB]
    3-18 Nginx?????????????_?????????Nginx.wmv  [13.2 MB]
    3-25 Nginx?????????????_??????????url_hash????.wmv  [35.5 MB]
    3-12 Nginx???????????_????????.wmv  [13.3 MB]
    3-5 Nginx?????????web????_???????.wmv  [80.4 MB]
    3-17 Nginx???????????_???????????????Z.wmv  [31.3 MB]
    3-27 Nginx??????????_?????????????.wmv  [6.2 MB]
    3-1 ???????????????.wmv  [4.2 MB]
    3-4 Nginx?????????web????_??????.wmv  [13.5 MB]
    3-16 Nginx???????????_??????????????.wmv  [19.6 MB]
    3-24 Nginx?????????????_??????????ip_hash???.wmv  [9.6 MB]
    3-9 Nginx?????????web????_??????????????.wmv  [29.1 MB]
    3-21 Nginx?????????????_server????????.wmv  [9.8 MB]
    3-28 Nginx??????????_???????????.wmv  [37.1 MB]
    3-22 Nginx?????????????_backup?????.wmv  [8.9 MB]
    3-19 Nginx?????????????_??????.wmv  [4.2 MB]
    3-2 Nginx?????????web????_??????????.wmv  [7.0 MB]
    3-14 Nginx???????????_???????????????(1).wmv  [8.3 MB]
    3-30 Nginx??????????_???????.wmv  [5.6 MB]
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    3-23 Nginx?????????????_??????????????.wmv  [8.2 MB]
    3-7 Nginx?????????web????_???????????????.wmv  [39.6 MB]
    3-8 Nginx?????????web????_???????.wmv  [9.0 MB]
    3-10 Nginx?????????web????_??????(1).wmv  [6.7 MB]
    3-13 Nginx???????????_???????????????????.wmv  [23.2 MB]
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    ??04?? ?????????.zip  [1.8 MB]
    4-7 Rewrite????_rewrite????????flag.wmv  [19.2 MB]
    4-19 ????Nginx??HTTPS????_???????????Nginx??HTTPS????????1.wmv  [93.2 MB]
    4-24 ????Nginx??HTTPS????_HTTPS???????.wmv  [8.3 MB]
    4-6 Rewrite????_rewrite????????.wmv  [14.4 MB]
    4-1 Nginx????????_?????????????.wmv  [20.9 MB]
    4-4 Rewrite????_rewrite????????.wmv  [5.1 MB]
    4-29 Nginx??Lua?????_Nginx????Lua?????Nginx??Luaapi???.wmv  [6.4 MB]
    4-3 Nginx????????_?????????????(2).wmv  [44.2 MB]
    4-12 Nginx?????????_secure_link??????????.wmv  [14.2 MB]
    4-32 Nginx??Lua?????_???????????????????2.wmv  [62.6 MB]
    4-17 ????Nginx??HTTPS????_HTTPS?????????2.wmv  [5.5 MB]
    4-8 Rewrite????_redirect??permanent????.wmv  [52.8 MB]
    4-28 Nginx??Lua?????_Nginx??Lua?????????.wmv  [11.6 MB]
    4-20 ????Nginx??HTTPS????_???????????Nginx??HTTPS????????2.wmv  [11.5 MB]
    4-34 Nginx??Lua?????_???????????????????4.wmv  [17.8 MB]
    4-10 Rewrite????_rewrite?????(2).wmv  [11.4 MB]
    4-33 Nginx??Lua?????_???????????????????3.wmv  [18.1 MB]
    4-15 Nginx?????????_Geoip????????????????.wmv  [34.7 MB]
    4-5 Rewrite????_rewrite??????.wmv  [3.5 MB]
    4-22 ????Nginx??HTTPS????_?????????????????openssl???HTTPS????2.wmv  [33.7 MB]
    4-23 ????Nginx??HTTPS????_?????????????????openssl???HTTPS????3.wmv  [12.5 MB]
    4-2 Nginx????????_?????????????(1).wmv  [5.7 MB]
    4-18 ????Nginx??HTTPS????_??????????CA???.wmv  [6.5 MB]
    4-21 ????Nginx??HTTPS????_?????????????????openssl???HTTPS????1.wmv  [43.5 MB]
    4-30 Nginx??Lua?????_????????????.wmv  [7.4 MB]
    4-13 Nginx?????????_secure_link????????????????.wmv  [46.2 MB]
    4-31 Nginx??Lua?????_???????????????????1.wmv  [42.2 MB]
    4-25 Nginx??Lua?????_Nginx??Lua??????????.wmv  [4.1 MB]
    4-27 Nginx??Lua?????_Lua??????????2.wmv  [5.6 MB]
    4-11 Rewrite????_rewrite????????.wmv  [5.0 MB]
    4-16 ????Nginx??HTTPS????_HTTPS?????????1.wmv  [15.7 MB]
    4-14 Nginx?????????_Geoip????????????????.wmv  [5.9 MB]
    4-9 Rewrite????_rewrite?????(1).wmv  [23.0 MB]
    4-26 Nginx??Lua?????_Lua??????????1.wmv  [13.4 MB]
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    2-1 ????Nginx.wmv  [5.8 MB]
    2-24 Nginx?????????access_module??????????.wmv  [2.9 MB]
    2-4 Nginx????_??????2.wmv  [3.9 MB]
    2-13 Nginx???_log_format1.wmv  [70.5 MB]
    2-16 Nginx???x??_sub_status.wmv  [23.6 MB]
    2-7 Nginx??????.wmv  [33.4 MB]
    2-27 Nginx?????????auth_basic_module????.wmv  [46.8 MB]
    2-10 Nginx????????????_?????????.wmv  [30.1 MB]
    2-28 Nginx?????????auth_basic_module??????.wmv  [3.6 MB]
    2-15 Nginx???x??_??????.wmv  [12.6 MB]
    2-11 Nginx????????????_???????????????????.wmv  [35.2 MB]
    2-25 Nginx?????????access_module????.wmv  [47.1 MB]
    2-6 Nginx????_??????4.wmv  [4.5 MB]
    2-3 Nginx????_??????1.wmv  [13.9 MB]
    2-23 Nginx????????_????????????????????.wmv  [2.4 MB]
    2-2 ???????????????.wmv  [5.5 MB]
    2-17 Nginx???x??_random_index.wmv  [34.6 MB]
    2-21 Nginx??????????_???????????2.wmv  [25.2 MB]
    2-12 HTTP????.wmv  [32.8 MB]
    2-22 Nginx??????????_???????????3.wmv  [75.3 MB]
    2-20 Nginx??????????_???????????1.wmv  [12.7 MB]
    2-19 Nginx???x??_sub_module???????.wmv  [17.7 MB]
    2-18 Nginx???x??_sub_module.wmv  [8.8 MB]
    2-14 Nginx???_log_format2.wmv  [17.3 MB]
    2-5 Nginx????_??????3.wmv  [4.9 MB]
    2-26 Nginx?????????access_module??????.wmv  [13.7 MB]
    2-8 Nginx????????????_Nginx?????.wmv  [22.8 MB]
    2-9 Nginx????????????_Nginx????????????.wmv  [30.9 MB]
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    1-1 ???????.wmv  [23.7 MB]
    1-2 ?????????.wmv  [26.6 MB]

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