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size=\"4\">\u003Cb>\u003Cb>让我们先从「index」指令入手吧\u003C/b>\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>在问题配置中它是在「location」中定义的： \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>  location / { \u003C/span>\u003Cbr>\u003Cspan>    index index.html index.htm index.php; \u003C/span>\u003Cbr>\u003Cspan>  }一旦未来需要加入新的「location」，必然会出现重复定义的「index」指令，这是因为多个「location」是平级的关系，不存在继承，此时应该在「server」里定义「index」，借助继承关系，「index」指令在所有的「location」中都能生效。 \u003C/span>\u003Cbr>\u003Cbr>\u003Cfont size=\"4\">\u003Cb>\u003Cb>接下来看看「if」指令\u003C/b>\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>  if (!-e $request_filename) { \u003C/span>\u003Cbr>\u003Cspan>    rewrite . /index.php last; \u003C/span>\u003Cbr>\u003Cspan>  } \u003C/span>\u003Cbr>\u003Cspan>说它是大家误解最深的Nginx指令毫不为过： \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>很多人喜欢用「if」指令做一系列的检查，不过这实际上是「try_files」指令的职责： \u003C/span>\u003Cbr>\u003Cspan>   try_files $uri $uri/ /index.php; \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>除此以外，初学者往往会认为「if」指令是内核级的指令，但是实际上它是rewrite模块的一部分，加上Nginx配置实际上是声明式的，而非过程式的，所以当其和非rewrite模块的指令混用时，结果可能会非你所愿。 \u003C/span>\u003Cbr>\u003Cbr>\u003Cfont size=\"4\">\u003Cb>下面看看「fastcgi_params」配置文件\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cfont size=\"4\">\u003C/font>\u003Cspan>\u003C/span>\u003Cbr>\u003Cspan>    include fastcgi_params; \u003C/span>\u003Cbr>\u003Cspan>Nginx有两份fastcgi配置文件，分别是「fastcgi_params」和「fastcgi.conf」，它们没有太大的差异，唯一的区别是后者比前者多了一行「SCRIPT_FILENAME」的定义： \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>     fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>注意：$document_root 和 $fastcgi_script_name 之间没有 /。 \u003C/span>\u003Cbr>\u003Cspan>原本Nginx只有「fastcgi_params」，后来发现很多人在定义「SCRIPT_FILENAME」时使用了硬编码的方式，于是为了规范用法便引入了「fastcgi.conf」。 \u003C/span>\u003Cbr>\u003Cspan>不过这样的话就产生一个疑问：为什么一定要引入一个新的配置文件，而不是修改旧的配置文件？这是因为「fastcgi_param」指令是数组型的，和普通指令相同的是：内层替换外层；和普通指令不同的是：当在同级多次使用的时候，是新增而不是替换。换句话说，如果在同级定义两次「SCRIPT_FILENAME」，那么它们都会被发送到后端，这可能会导致一些潜在的问题，为了避免此类情况，便引入了一个新的配置文件。 \u003C/span>\u003Cbr>\u003Cspan>此外，我们还需要考虑一个安全问题：在PHP开启「cgi.fix_pathinfo」的情况下，PHP可能会把错误的文件类型当作PHP文件来解析。如果Nginx和PHP安装在同一台服务器上的话，那么最简单的解决方法是用「try_files」指令做一次过滤： \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>try_files $uri =404; \u003C/span>\u003Cbr>\u003Cfont size=\"4\">\u003Cb>\u003Cb>改良后的版本\u003C/b>\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>依照前面的分析，给出一份改良后的版本，是不是比开始的版本清爽了很多： \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>server {   \u003C/span>\u003Cbr>\u003Cspan>     listen 80; \u003C/span>\u003Cbr>\u003Cspan>       server_name foo.com; \u003C/span>\u003Cbr>\u003Cspan>       root /path; \u003C/span>\u003Cbr>\u003Cspan>       index index.html index.htm index.php; \u003C/span>\u003Cbr>\u003Cspan>    location / { \u003C/span>\u003Cbr>\u003Cspan>        try_files $uri $uri/ /index.php$is_args$args; \u003C/span>\u003Cbr>\u003Cspan>         } \u003C/span>\u003Cbr>\u003Cspan>    location ~ \\.php$ {        try_files $uri =404; \u003C/span>\u003Cbr>\u003Cspan>        include fastcgi.conf;   \u003C/span>\u003Cbr>\u003Cspan>         fastcgi_pass 127.0.0.1:9000; \u003C/span>\u003Cbr>\u003Cspan>       } \u003C/span>\u003Cbr>\u003Cspan>  }\u003C/span>\u003C/p>","对很多人而言，配置Nginx+PHP无外乎就是搜索一篇教程，然后拷贝粘贴。听上去似乎也没什么问题，可惜实际上网络上很多资料本身年久失修，漏洞百出，如果大家不求甚解，一味的拷贝粘贴，早晚有一天会为此付出代价。 \n\n假设我们用PHP实现了一个前端控制器，或者直白点说就是统一入口：把PHP请求都发送到同一个文件上，然后在此文件里通过解析「REQUEST_URI」实现路由。 \n\n**一般这样配置**\n\n \n\n此时很多教程会教大家这样配置Nginx+PHP： \n\n  server { \n\n    listen 80; \n\n    server_name zhl123.cn; \n\n    root /path; \n\n    location / { \n\n        index index.html index.htm index.php; \n\n        if (!-e $request_filename) { \n\n            rewrite . /index.php last; \n\n        } \n\n    } \n\n    location ~ \\.php$ { \n\n        include fastcgi_params; \n\n        fastcgi_param SCRIPT_FILENAME /path$fastcgi_script_name; \n\n        fastcgi_pass 127.0.0.1:9000; \n\n        fastcgi_index index.php; \n\n    } \n\n} \n\n这里面有很多错误，或者说至少是坏味道的地方，大家看看能发现几个。 \n\n我们有必要先了解一下Nginx配置文件里指令的继承关系： \n\nNginx配置文件分为好多块，常见的从外到内依次是「http」、「server」、「location」等等，缺省的继承关系是从外到内，也就是说内层块会自动获取外层块的值作为缺省值。 \n\n**让我们先从「index」指令入手吧**\n\n \n\n在问题配置中它是在「location」中定义的： \n\n  location / { \n\n    index index.html index.htm index.php; \n\n  }一旦未来需要加入新的「location」，必然会出现重复定义的「index」指令，这是因为多个「location」是平级的关系，不存在继承，此时应该在「server」里定义「index」，借助继承关系，「index」指令在所有的「location」中都能生效。 \n\n**接下来看看「if」指令**\n\n \n\n  if (!-e $request_filename) { \n\n    rewrite . /index.php last; \n\n  } \n\n说它是大家误解最深的Nginx指令毫不为过： \n\n很多人喜欢用「if」指令做一系列的检查，不过这实际上是「try_files」指令的职责： \n\n   try_files $uri $uri/ /index.php; \n\n除此以外，初学者往往会认为「if」指令是内核级的指令，但是实际上它是rewrite模块的一部分，加上Nginx配置实际上是声明式的，而非过程式的，所以当其和非rewrite模块的指令混用时，结果可能会非你所愿。 \n\n**下面看看「fastcgi_params」配置文件**\n\n \n\n    include fastcgi_params; \n\nNginx有两份fastcgi配置文件，分别是「fastcgi_params」和「fastcgi.conf」，它们没有太大的差异，唯一的区别是后者比前者多了一行「SCRIPT_FILENAME」的定义： \n\n     fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; \n\n注意：$document_root 和 $fastcgi_script_name 之间没有 /。 \n\n原本Nginx只有「fastcgi_params」，后来发现很多人在定义「SCRIPT_FILENAME」时使用了硬编码的方式，于是为了规范用法便引入了「fastcgi.conf」。 \n\n不过这样的话就产生一个疑问：为什么一定要引入一个新的配置文件，而不是修改旧的配置文件？这是因为「fastcgi_param」指令是数组型的，和普通指令相同的是：内层替换外层；和普通指令不同的是：当在同级多次使用的时候，是新增而不是替换。换句话说，如果在同级定义两次「SCRIPT_FILENAME」，那么它们都会被发送到后端，这可能会导致一些潜在的问题，为了避免此类情况，便引入了一个新的配置文件。 \n\n此外，我们还需要考虑一个安全问题：在PHP开启「cgi.fix_pathinfo」的情况下，PHP可能会把错误的文件类型当作PHP文件来解析。如果Nginx和PHP安装在同一台服务器上的话，那么最简单的解决方法是用「try_files」指令做一次过滤： \n\ntry_files $uri =404; \n\n**改良后的版本**\n\n \n\n依照前面的分析，给出一份改良后的版本，是不是比开始的版本清爽了很多： \n\nserver {   \n\n     listen 80; \n\n       server_name foo.com; \n\n       root /path; \n\n       index index.html index.htm index.php; \n\n    location / { \n\n        try_files $uri $uri/ /index.php$is_args$args; \n\n         } \n\n    location ~ \\.php$ {        try_files $uri =404; \n\n        include fastcgi.conf;   \n\n         fastcgi_pass 127.0.0.1:9000; \n\n       } \n\n  }","/article/30",4112,"2016-12-11 16:46:45","2018-10-18 16:47:34",[156,157,158],{"id":39,"name":81,"url":82},{"id":44,"name":23,"url":59},{"id":145,"name":146,"url":151},{"create_time":6,"description":6,"id":44,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":23,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":53,"subtitle":6,"update_time":6,"url":59},{"title":161,"url":162},"在 CentOS 和 RHEL 系统上安装或自动更新安全补丁","/article/31",{"title":164,"url":165},"ubuntu 14.04 编译安装 nginx ","/article/29",[167,168,169,170],{"create_time":6,"description":6,"id":44,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":23,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":53,"subtitle":6,"update_time":6,"url":59},{"create_time":6,"description":6,"id":45,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":61,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":56,"subtitle":6,"update_time":6,"url":62},{"create_time":6,"description":6,"id":46,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":64,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":65,"subtitle":6,"update_time":6,"url":66},{"create_time":6,"description":6,"id":47,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":68,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":69,"subtitle":6,"update_time":6,"url":70},{"description":148,"keywords":147,"title":146},[173,182,191,200,209,218,227,236,245,253],{"id":174,"category_id":44,"title":175,"keywords":176,"description":177,"image_url":6,"url":178,"hits":179,"is_recommend":73,"is_top":73,"create_time":180,"update_time":181},101,"开启 HTTPS 并获得 ssllabs 满分的过程","开启,获得,满分,过程","准备工作确保你要申请证书的域名都解析到了这台服务器上，且能直接通过域名访问。使用官网推荐的CertBot获取证书。在CertBot官网选择一下环境(比如我选Nginx on Ubuntu 17.04)就可以看到入门教程了。安装CertBot12345apt-get updateapt-get install software-properties-commonadd-apt-repository ppa:certbot/certbotapt-get updateapt-get","/article/101",18546,"2019-11-26 16:12:11","2019-11-26 16:23:16",{"id":183,"category_id":44,"title":184,"keywords":185,"description":186,"image_url":6,"url":187,"hits":188,"is_recommend":73,"is_top":73,"create_time":189,"update_time":190},113,"在CentOS 7中添加命令自动补全功能","命令自动补全,centos","在CentOS 7中，默认情况下并不会安装命令补全包，需要手动安装才能使用命令补全功能。以下是在CentOS 7中安装命令补全包的方法：1. bash-completion：这是一个针对Bash shell的命令补全软件包，可以提供对系统命令、用户自定义命令和文件路径的自动补全功能。可以通过以下命令安装：```sudo yum install bash-completion```安装完成后，需要在/etc/profile配置文件中添加以下内容：```if [ -f /etc/bash_compl","/article/113",14948,"2023-05-16 10:54:01","2023-05-16 10:57:28",{"id":192,"category_id":44,"title":193,"keywords":194,"description":195,"image_url":6,"url":196,"hits":197,"is_recommend":53,"is_top":73,"create_time":198,"update_time":199},94,"Centos7 安装 openvas ","openvas,开放式漏洞评估系统，installing openvas centos-7","一、描述OpenVAS，即开放式漏洞评估系统，是一个用于评估目标漏洞的杰出框架。功能十分强大，最重要的是，它是“开源”的——就是免费的意思啦～它与著名的Nessus“本是同根生”，在Nessus商业化之后仍然坚持开源，号称“当前最好用的开源漏洞扫描工具”。最新版的Kali Linux(kali 3.0)不再自带OpenVAS了，所以我们要自己部署OpenVAS漏洞检测系统。其核心部件是一个服务器，包括一套网络漏洞测试程序，可以检测远程系统和应用程序中的安全问题。但是它的最常用用途是检测目标网络或","/article/94",14690,"2019-01-14 17:43:42","2019-01-14 18:16:36",{"id":201,"category_id":44,"title":202,"keywords":203,"description":204,"image_url":6,"url":205,"hits":206,"is_recommend":73,"is_top":73,"create_time":207,"update_time":208},99,"Centos7 利用iptables防止nmap工具防端口扫描","iptables","一、Nmap介绍       Nmap（NetworkMapper）是一款开放源代码的网络探测和安全审核工具。它用于快速扫描一个网络和一台主机开放的端口，还能使用TCP/IP协议栈特征探测远程主机的操作系统类型。nmap支持很多扫描技术，例如：UDP、TCPconnect()、TCPSYN(半开扫描)、ftp代理(bounce攻击)、反向标志、ICMP、FIN、ACK扫描、圣诞树(XmasTree)、SYN扫描和null扫描。Nmap最初是用于Unix系统","/article/99",14415,"2019-07-09 21:27:00","2019-07-09 21:57:53",{"id":210,"category_id":46,"title":211,"keywords":212,"description":213,"image_url":6,"url":214,"hits":215,"is_recommend":73,"is_top":73,"create_time":216,"update_time":217},61,"Docker 推荐的启动方式","推荐,启动,方式","# cat DockerfileFROM openjdk:8-alpineWORKDIR /ADD ./target/*.jar app.jarEXPOSE 9999COPY docker-entrypoint.sh /RUN chmod +x /docker-entrypoint.shENTRYPOINT [“/docker-entrypoint.sh”]CMD [“java”,”-server”,”-Duser.timezone=GMT+08″,”-jar”,”/app.jar”]# cat","/article/61",14347,"2018-10-22 13:55:47","2018-10-22 13:56:10",{"id":219,"category_id":44,"title":220,"keywords":221,"description":222,"image_url":6,"url":223,"hits":224,"is_recommend":73,"is_top":73,"create_time":225,"update_time":226},107,"Acme.sh 给 SSL 证书自动续期失败的解决方法","HTTP/1.1 200 OK,Server: Bayou Tech Web Srv 1.0,Content-Encoding: none,Content-Length: 5,Content-Type","一、Acme.sh 自动续期失败的症状问题描述如下，续期的时候，提示如下错误：root@dc:~# \"/data/acme.sh\"/acme.sh --cron --home \"/data/acme.sh\" > /dev/null[Sun Nov 10 23:52:17 CST 2020] Error, can not get domain token entry example.com[Sun Nov 10 23:52:17 CST 2020] Please check log file","/article/107",12618,"2021-09-03 10:44:18","2021-09-03 10:46:23",{"id":228,"category_id":44,"title":229,"keywords":230,"description":231,"image_url":6,"url":232,"hits":233,"is_recommend":53,"is_top":73,"create_time":234,"update_time":235},93,"ELK+Filebeat+Kafka+ZooKeeper 构建海量日志分析平台","Filebeat,Kafka","一、说明1.Filebeat是一个日志文件托运工具，在你的服务器上安装客户端后，filebeat会监控日志目录或者指定的日志文件，追踪读取这些文件（追踪文件的变化，不停的读）2.Kafka是一种高吞吐量的分布式发布订阅消息系统，它可以处理消费者规模的网站中的所有动作流数据3.Logstash是一根具备实时数据传输能力的管道，负责将数据信息从管道的输入端传输到管道的输出端；与此同时这根管道还可以让你根据自己的需求在中间加上滤网，Logstash提供里很多功能强大的滤网以满足你的各种应用场景4.El","/article/93",12190,"2018-12-24 16:40:08","2018-12-26 11:53:38",{"id":237,"category_id":46,"title":238,"keywords":239,"description":240,"image_url":6,"url":241,"hits":242,"is_recommend":53,"is_top":73,"create_time":243,"update_time":244},81,"kubernetes 1.12.1 高可用安装之部署Dashboard","安装Dashboard","创建Dashboard需要CoreDNS部署成功之后再安装Dashboard。[root@master01 ~]# wget https://zhl123.com/download/k8s/Dashboard.tgz[root@master01 ~]# tar xf Dashboard.tgz[root@master01 ~]# kubectl create -f Dashboard/[root@master01 Dashboard]# kubectl get svc -n kube-syste","/article/81",12037,"2018-10-26 09:54:41","2018-10-26 16:59:19",{"id":246,"category_id":44,"title":247,"keywords":6,"description":248,"image_url":6,"url":249,"hits":250,"is_recommend":73,"is_top":73,"create_time":251,"update_time":252},100,"用 Nginx 给 Cookie 增加 Secure 和 HttpOnly","在 nginx 的 location 中配置12# 只支持 proxy 模式下设置，SameSite 不需要可删除，如果想更安全可以把 SameSite 设置为 Strictproxy_cookie_path / \"/; httponly; secure; SameSite=Lax\";示例1234567891011121314151617181920212223242526server {    listen 443 ssl http2;    server_name www.zhl123.cn","/article/100",11848,"2019-11-26 16:10:57","2019-11-26 16:23:45",{"id":254,"category_id":44,"title":255,"keywords":256,"description":257,"image_url":6,"url":258,"hits":259,"is_recommend":73,"is_top":73,"create_time":260,"update_time":261},41,"Tomcat 安全配置与性能优化","tomcat，性能优化","1. JVM 1.1. 使用 Server JRE 替代JDK。 服务器上不要安装JDK，请使用 Server JRE. 服务器上根本不需要编译器，代码应该在Release服务器上完成编译打包工作。 理由：一旦服务器被控制，可以防止在其服务器上编译其他恶意代码并植入到你的程序中。 1.2. JAVA_OPTS export JAVA_OPTS=\"-server -Xms512m -Xmx4096m  -XX:PermSize=64M -","/article/41",11623,"2016-09-01 17:06:36","2018-10-18 17:06:58",[263,271,279,287,295,303,311,319,328,337],{"id":264,"category_id":40,"title":265,"keywords":6,"description":266,"image_url":6,"url":267,"hits":268,"is_recommend":73,"is_top":73,"create_time":269,"update_time":270},123,"Agent Skill 精选集：最值得收藏的 Agent Skills Top 10","如果你正在用 Claude Code 或 Codex，一定对 Agent Skills 不陌生。通过安装 Agent Skills，你可以让这些 AI 助手变得更强——不用每次都解释你的需求，它们直接就知道该怎么做。最近有人在 GitHub 上做了一个采样调查，统计了哪些 Skills 的质量最佳和最受欢迎。我整理了这份 Top 10 榜单，加上使用场景和适合人群，帮你快速找到最有用的那几个。Top 10 最受欢迎的 Agent Skills1. Skil","/article/123",270,"2026-01-19 18:49:12","2026-01-19 18:52:01",{"id":272,"category_id":44,"title":273,"keywords":6,"description":274,"image_url":6,"url":275,"hits":276,"is_recommend":73,"is_top":73,"create_time":277,"update_time":278},122,"Nginx性能调优18条黄金法则：支撑10万并发的配置模板","一、概述1.1 背景介绍说实话，Nginx调优这事儿我踩过无数坑。记得2019年双11，我们电商平台流量暴涨，Nginx直接扛不住了，QPS从平时的2万飙升到8万，响应时间从50ms飙到了2秒，最后还是靠临时加机器扛过去的。那次事故之后，我花了大半年时间专门研究Nginx的性能极限，总结出了这20条黄金法则。Nginx作为目前最流行的Web服务器和反向代理，官方数据显示单机可以轻松处理10万+的并发连接。但实际生产环境中，很多同学拿到默认配置就直接上了，结果发现连1万并发都扛不住。问题不在Ngi","/article/122",337,"2026-01-12 11:11:50","2026-01-12 11:12:28",{"id":280,"category_id":46,"title":281,"keywords":6,"description":282,"image_url":6,"url":283,"hits":284,"is_recommend":73,"is_top":73,"create_time":285,"update_time":286},121,"Docker 镜像优化与安全扫描：将镜像体积压缩 70%","1. 适用场景 & 前置条件项目要求适用场景容器化应用镜像体积过大（> 500MB），构建时间长（> 10分钟），存在安全漏洞（CVE高危）OSRHEL/CentOS 7.9+ 或 Ubuntu 20.04+内核Linux Kernel 3.10+软件版本Docker 20.10+ 或 Podman 3.0+，Trivy 0.40+（安全扫描工具）资源规格2C4G（最小）/ 4C8G（推荐），磁盘 50GB+（存储镜像与缓存）网络可访问 Docker Hub/阿里云镜像仓库（","/article/121",309,"2026-01-06 11:54:35","2026-01-06 12:01:59",{"id":288,"category_id":44,"title":289,"keywords":6,"description":290,"image_url":6,"url":291,"hits":292,"is_recommend":73,"is_top":73,"create_time":293,"update_time":294},120,"用 Prometheus Recording Rules 把告警噪声砍掉 70%(二)","五、故障排查和监控5.1 故障排查◆ 5.1.1 日志查看# 查看 Prometheus 日志中的规则评估错误journalctl -u prometheus | grep -i \"rule\" | tail -50# 查看规则评估耗时curl -s http://localhost:9090/api/v1/rules | jq '.data.groups[].rules[] | select(.health != \"ok\")'# Kubernet","/article/120",282,"2026-01-06 11:53:50","2026-01-06 11:54:33",{"id":296,"category_id":44,"title":297,"keywords":6,"description":298,"image_url":6,"url":299,"hits":300,"is_recommend":73,"is_top":73,"create_time":301,"update_time":302},119,"用 Prometheus Recording Rules 把告警噪声砍掉 70%(一)","一、概述1.1 背景介绍在大规模微服务架构下，Prometheus 告警系统往往会陷入一个尴尬的境地：告警太多，运维团队开始选择性忽略；告警太少，真正的故障又可能漏掉。我在某电商平台负责监控体系建设时，团队每天要处理超过 2000 条告警，其中 70% 以上是重复的、关联的或者短暂抖动产生的噪声。Recording Rules 是 Prometheus 提供的预计算机制，可以将复杂的查询表达式预先计算并存储为新的时间序列。通过合理设计 Recording Rules，我们不仅能显著降低 Prom","/article/119",301,"2026-01-06 11:51:58","2026-01-06 11:53:45",{"id":304,"category_id":44,"title":305,"keywords":6,"description":306,"image_url":6,"url":307,"hits":308,"is_recommend":73,"is_top":73,"create_time":309,"update_time":310},118,"GitOps 落地实践：ArgoCD + Kustomize 实现声明式基础设施管理(二)","四、最佳实践和注意事项4.1 最佳实践4.1.1 性能优化优化点一：减少 Git 轮询频率# argocd-cm ConfigMapapiVersion: v1kind: ConfigMapmetadata:  name: argocd-cm  namespace: argocddata:  timeout.reconciliation: 300s  # 默认 180","/article/118",305,"2026-01-06 11:49:00","2026-01-06 11:49:34",{"id":312,"category_id":44,"title":313,"keywords":6,"description":314,"image_url":6,"url":315,"hits":316,"is_recommend":73,"is_top":73,"create_time":317,"update_time":318},117,"GitOps 落地实践：ArgoCD + Kustomize 实现声明式基础设施管理(一)","一、概述1.1 背景介绍GitOps 作为云原生时代的运维范式，将 Git 作为基础设施和应用配置的单一事实来源，通过声明式配置和自动化同步机制，实现了配置管理的版本控制、审计追溯和快速回滚。ArgoCD 作为 CNCF 毕业项目，提供了完整的 GitOps 工作流，支持多集群管理、RBAC 权限控制、SSO 集成等企业级特性。结合 Kustomize 的配置管理能力，能够优雅地解决多环境配置差异、敏感信息管理、配置复用等问题。在传统的 CI/CD 流程中，往往由 CI 工具直接执行 kubec","/article/117",310,"2026-01-06 11:45:03","2026-01-06 11:48:56",{"id":320,"category_id":40,"title":321,"keywords":322,"description":323,"image_url":6,"url":324,"hits":325,"is_recommend":73,"is_top":73,"create_time":326,"update_time":327},116,"运维部门年度2025工作总结与2026工作规划应该如何写？","运维部门年度2025工作总结,2026工作规划","2025年，运维部在公司“数字化转型深化”战略引领下，以“稳定为基、效率为纲、安全为盾、创新为翼”为核心导向，全面支撑核心业务系统运行、推动技术架构迭代、强化团队能力建设。 全年实现核心业务系统可用性99.985%，较2024年提升0.02个百分点；故障平均恢复时间（MTTR）从42分钟压缩至29分钟，下降31%；云资源成本同比降低16.8%，自动化运维覆盖率从65%提升至83%，未发生重大生产安全事故，圆满完成年度目标。现将全年工作及2026年规划汇报如下：2025年核心工作成果（数","/article/116",297,"2026-01-06 11:20:58","2026-01-06 11:44:04",{"id":329,"category_id":40,"title":330,"keywords":331,"description":332,"image_url":6,"url":333,"hits":334,"is_recommend":73,"is_top":73,"create_time":335,"update_time":336},115,"Kubernetes 100个常用命令","100 个 Kubectl 命令","这篇文章是关于使用 Kubectl 进行 Kubernetes 诊断的指南。列出了 100 个 Kubectl 命令，这些命令对于诊断 Kubernetes 集群中的问题非常有用。这些问题包括但不限于：• 集群信息• Pod 诊断• 服务诊断• 部署诊断• 网络诊断• 持久卷和持久卷声明诊断• 资源使用情况• 安全和授权• 节点故障排除• 其他诊断命令：文章还提到了许多其他命令，如资源扩展和自动扩","/article/115",3642,"2023-11-02 14:09:30","2023-11-02 14:10:05",{"id":183,"category_id":44,"title":184,"keywords":185,"description":186,"image_url":6,"url":187,"hits":188,"is_recommend":73,"is_top":73,"create_time":189,"update_time":190},1784716029347]