https://www.limxwu.fun/categories/%E6%96%87%E7%AB%A0.htmlRecent content in 文章 on 布知花树Hugo -- gohugo.iozh-cnWed, 08 May 2024 08:50:44 +0000https://www.limxwu.fun/posts/openwrt%E9%85%8D%E7%BD%AEbgp.htmlWed, 08 May 2024 08:50:44 +0000https://www.limxwu.fun/posts/openwrt%E9%85%8D%E7%BD%AEbgp.html<h2 id="安装frr">安装FRR</h2> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">opkg update </span></span><span class="line"><span class="cl">opkg install frr frr-babeld frr-bfdd frr-bgpd frr-eigrpd frr-fabricd frr-isisd frr-ldpd frr-libfrr frr-nhrpd frr-ospf6d frr-ospfd frr-pbrd frr-pimd frr-ripd frr-ripngd frr-staticd frr-vrrpd frr-vtysh frr-watchfrr frr-zebra </span></span></code></pre></div><p>或者</p>https://www.limxwu.fun/posts/simpread-how-to-install-kubernetes-cluster-on-debian-12-.htmlThu, 14 Mar 2024 00:00:00 +0000https://www.limxwu.fun/posts/simpread-how-to-install-kubernetes-cluster-on-debian-12-.html<p>本文由 <a href="http://ksria.com/simpread/">简悦 SimpRead</a> 转码， 原文地址 <a href="https://tinychen.com/20230109-k8s-13-deploy-ha-k8s-with-calico-bgp/#5-3-%E9%85%8D%E7%BD%AEBGP">tinychen.com</a></p>https://www.limxwu.fun/posts/simpread-k8s-%E7%B3%BB%E5%88%97-13-calico-%E9%83%A8%E7%BD%B2-bgp-%E6%A8%A1%E5%BC%8F%E7%9A%84%E9%AB%98%E5%8F%AF%E7%94%A8-k8s-%E9%9B%86%E7%BE%A4---tinychens-studio---%E4%BA%92%E8%81%94%E7%BD%91%E6%8A%80%E6%9C%AF%E5%AD%A6%E4%B9%A0%E5%B7%A5%E4%BD%9C%E7%BB%8F%E9%AA%8C%E5%88%86%E4%BA%AB.htmlWed, 28 Feb 2024 14:07:49 +0000https://www.limxwu.fun/posts/simpread-k8s-%E7%B3%BB%E5%88%97-13-calico-%E9%83%A8%E7%BD%B2-bgp-%E6%A8%A1%E5%BC%8F%E7%9A%84%E9%AB%98%E5%8F%AF%E7%94%A8-k8s-%E9%9B%86%E7%BE%A4---tinychens-studio---%E4%BA%92%E8%81%94%E7%BD%91%E6%8A%80%E6%9C%AF%E5%AD%A6%E4%B9%A0%E5%B7%A5%E4%BD%9C%E7%BB%8F%E9%AA%8C%E5%88%86%E4%BA%AB.html<blockquote> <p>本文由 <a href="http://ksria.com/simpread/">简悦 SimpRead</a> 转码， 原文地址 <a href="https://tinychen.com/20230109-k8s-13-deploy-ha-k8s-with-calico-bgp/#5-3-%E9%85%8D%E7%BD%AEBGP">tinychen.com</a></p>https://www.limxwu.fun/posts/bgp%E6%98%AF%E4%BB%80%E4%B9%88%E5%A6%82%E4%BD%95%E5%B7%A5%E4%BD%9C%E7%9A%84.htmlTue, 27 Feb 2024 11:07:29 +0000https://www.limxwu.fun/posts/bgp%E6%98%AF%E4%BB%80%E4%B9%88%E5%A6%82%E4%BD%95%E5%B7%A5%E4%BD%9C%E7%9A%84.html<blockquote> <p>本文由 <a href="http://ksria.com/simpread/">简悦 SimpRead</a> 转码， 原文地址 <a href="https://info.support.huawei.com/info-finder/encyclopedia/zh/BGP.html">info.support.huawei.com</a></p>https://www.limxwu.fun/posts/spring%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6%E4%BC%98%E5%85%88%E7%BA%A7.htmlThu, 22 Feb 2024 14:21:06 +0000https://www.limxwu.fun/posts/spring%E9%85%8D%E7%BD%AE%E6%96%87%E4%BB%B6%E4%BC%98%E5%85%88%E7%BA%A7.html<h1 id="springboot配置文件优先级">SpringBoot配置文件优先级</h1> <blockquote> <p><a href="https://docs.spring.io/spring-boot/docs/current/reference/html/features.html#features.external-config">3.2.2官方文档：</a>Spring Boot 允许您外部化您的配置，以便您可以在不同的环境中使用相同的应用程序代码。您可以使用各种外部配置源，包括 Java 属性文件、YAML 文件、环境变量和命令行参数。</p>https://www.limxwu.fun/posts/debian12-iptables%E9%98%B2%E7%81%AB%E5%A2%99%E9%85%8D%E7%BD%AE.htmlThu, 08 Feb 2024 09:48:29 +0000https://www.limxwu.fun/posts/debian12-iptables%E9%98%B2%E7%81%AB%E5%A2%99%E9%85%8D%E7%BD%AE.html<h2 id="保存规则">保存规则</h2> <h3 id="通过-iptables-persistent-保存">通过 iptables-persistent 保存</h3> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-fallback" data-lang="fallback"><span class="line"><span class="cl">netfilter-persistent save </span></span></code></pre></div><h3 id="通过iptables保存">通过iptables保存</h3> <p>要稍后保存规则设置，请使用命令</p>https://www.limxwu.fun/posts/%E5%B8%B8%E7%94%A8%E4%B8%80%E5%8F%A5%E8%AF%9D%E8%84%9A%E6%9C%AC.htmlWed, 07 Feb 2024 09:54:02 +0000https://www.limxwu.fun/posts/%E5%B8%B8%E7%94%A8%E4%B8%80%E5%8F%A5%E8%AF%9D%E8%84%9A%E6%9C%AC.html<p>本篇记录了日常开发运维工作过程中经常用到的一些命令</p>https://www.limxwu.fun/posts/%E5%A6%82%E4%BD%95%E4%BF%9D%E6%8A%A4%E4%BB%A3%E7%A0%81%E4%B8%AD%E7%9A%84%E6%95%8F%E6%84%9F%E4%BF%A1%E6%81%AF.htmlThu, 24 Aug 2023 00:27:56 +0000https://www.limxwu.fun/posts/%E5%A6%82%E4%BD%95%E4%BF%9D%E6%8A%A4%E4%BB%A3%E7%A0%81%E4%B8%AD%E7%9A%84%E6%95%8F%E6%84%9F%E4%BF%A1%E6%81%AF.html<p>一般情况下项目会分为开发环境、测试环境、生产环境等，不同的环境有不同的数据库连接（或redis、银行账户等，此处以数据库为例），其中将生产环境的账号密码以明文的形式写入到配置文件中是极其不安全的做法。</p>https://www.limxwu.fun/posts/%E8%AE%B0%E4%B8%80%E6%AC%A1spring%E4%BA%8B%E5%8A%A1%E5%A4%B1%E6%95%88%E5%9C%BA%E6%99%AF%E7%90%86%E8%A7%A3spring-bean%E7%9A%84aop%E4%BB%A3%E7%90%86.htmlThu, 24 Aug 2023 00:24:41 +0000https://www.limxwu.fun/posts/%E8%AE%B0%E4%B8%80%E6%AC%A1spring%E4%BA%8B%E5%8A%A1%E5%A4%B1%E6%95%88%E5%9C%BA%E6%99%AF%E7%90%86%E8%A7%A3spring-bean%E7%9A%84aop%E4%BB%A3%E7%90%86.html<p>在Spring中，我们经常使用<code>@Transactional</code>注解开启事务，在这个注解中有个propagation属性用来控制事务的传播，此次失效场景中使用<code>Propagation.NEVER</code>，Spring中是这样描述的：</p>https://www.limxwu.fun/posts/route-between-zerotier-and-physical-networks---zerotier-knowledge-base---confluence.htmlThu, 24 Aug 2023 00:22:55 +0000https://www.limxwu.fun/posts/route-between-zerotier-and-physical-networks---zerotier-knowledge-base---confluence.html<blockquote> <p>本文由 <a href="http://ksria.com/simpread/">简悦 SimpRead</a> 转码， 原文地址 <a href="https://zerotier.atlassian.net/wiki/spaces/SD/pages/224395274/Route&#43;between&#43;ZeroTier&#43;and&#43;Physical&#43;Networks">zerotier.atlassian.net</a></p>https://www.limxwu.fun/posts/java%E5%A4%9A%E7%BA%BF%E7%A8%8B%E4%B8%8B%E7%B3%BB%E7%BB%9F%E6%97%B6%E5%8C%BA%E5%85%A8%E5%B1%80%E9%94%81%E5%AF%B9%E6%80%A7%E8%83%BD%E7%9A%84%E5%BD%B1%E5%93%8D.htmlThu, 24 Aug 2023 00:18:52 +0000https://www.limxwu.fun/posts/java%E5%A4%9A%E7%BA%BF%E7%A8%8B%E4%B8%8B%E7%B3%BB%E7%BB%9F%E6%97%B6%E5%8C%BA%E5%85%A8%E5%B1%80%E9%94%81%E5%AF%B9%E6%80%A7%E8%83%BD%E7%9A%84%E5%BD%B1%E5%93%8D.html<h2 id="起因">起因</h2> <p>在考量MySql时间格式时，看到有文章提到高并发下<code>timestamp</code>调用系统时区转换格式时会因为全局锁导致线程上下文切换致使cpu使用率暴涨。</p>https://www.limxwu.fun/posts/http%E7%9F%A5%E8%AF%86%E7%82%B9%E6%A2%B3%E7%90%86.htmlThu, 24 Aug 2023 00:17:09 +0000https://www.limxwu.fun/posts/http%E7%9F%A5%E8%AF%86%E7%82%B9%E6%A2%B3%E7%90%86.html<h2 id="什么是http">什么是HTTP</h2> <p>HTTP全称Hypertext Transfer Protocol,意为超文本传输协议，是一个应用层用于出书超媒体文档（如HTML)的协议。它是专为浏览器和Web服务器之间的通信而设计的，但它也可用于其他目的。HTTP遵循典型的BS模型，客户端打开连接发出请求，等待收到相应。HTTP是一个无状态协议，表示服务器不会在两个请求之间保留任何数据（状态）。</p>https://www.limxwu.fun/posts/java-spring-service%E5%B1%82%E4%B8%9A%E5%8A%A1%E7%8A%B6%E6%80%81%E7%9A%84%E5%A4%84%E7%90%86.htmlThu, 24 Aug 2023 00:10:48 +0000https://www.limxwu.fun/posts/java-spring-service%E5%B1%82%E4%B8%9A%E5%8A%A1%E7%8A%B6%E6%80%81%E7%9A%84%E5%A4%84%E7%90%86.html<blockquote> <p>**soluction 1:**return status</p> <p>**soluction 2:**throw exception</p> </blockquote> <p>考虑点如下：</p>https://www.limxwu.fun/posts/java%E5%8F%91%E5%B1%95%E5%8F%B2.htmlThu, 24 Aug 2023 00:02:20 +0000https://www.limxwu.fun/posts/java%E5%8F%91%E5%B1%95%E5%8F%B2.html<p>  Java已经走过了二十多年的发展史了，作为一门长期霸占排行榜前三甲的编程语言，它被创造出来之时似乎并没有想到会有今天的辉煌，但回顾历史，Java的出现与兴起并非偶然，只是比别人早走了一步。(.net&mdash;&mdash;&mdash;-&gt;(╯°Д°）╯︵ ┻━━━┻）</p>