<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[michaelwoshi的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/michaelwoshi</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; michaelwoshi]]></copyright><item><title><![CDATA[【Linux】CentOS7.x服务器上挖矿病毒排查分析处理]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/156278425</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/156278425</guid><author>michaelwoshi</author><pubDate>Thu, 25 Dec 2025 21:01:37 +0800</pubDate><description><![CDATA[→ 直接看高流量进程PID；→ 验证进程是否合法；kill -9 PID + 封禁IP；业务进程：限流/优化。基于 iftop流量监控，找到可疑tcp连接，从而找到可疑进程和文件结合你提供的信息（/tmp/linux是32位ELF恶意程序、持续连接乌克兰IP、进程占用高CPU/网络），以下是分层确认病毒文件内容、行为、目的确认行为：通过stracetcpdump验证/tmp/linux向乌克兰IP发送数据；分析文件：用stringsVirusTotal确认是挖矿/远控木马（重点看xmr。]]></description><category></category></item><item><title><![CDATA[【MySQL】KylinV10 ARM 服务器上编译MySQL 5.7 XtraBackup]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/156205863</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/156205863</guid><author>michaelwoshi</author><pubDate>Tue, 23 Dec 2025 22:09:51 +0800</pubDate><description><![CDATA[在ARM架构服务器（如aarch64）上编译Percona XtraBackup 2.4，需先安装依赖库、处理boost库依赖，并使用CMake配置编译。注意： 编译服务器的内存别少于，否则大概率编译会卡住。]]></description><category></category></item><item><title><![CDATA[如何在RHEL系Linux上创建一个本地 YUM 仓库来管理 HAProxy 软件及其依赖项？]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/156205813</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/156205813</guid><author>michaelwoshi</author><pubDate>Tue, 23 Dec 2025 22:08:02 +0800</pubDate><description><![CDATA[如何在RHEL系Linux上创建一个本地 YUM 仓库来管理 HAProxy 软件及其依赖项？]]></description><category></category></item><item><title><![CDATA[【openSSH】Linux openEuler-22.03-x86_64升级openSSH至10.2p1版本]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/156000410</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/156000410</guid><author>michaelwoshi</author><pubDate>Wed, 17 Dec 2025 09:25:33 +0800</pubDate><description><![CDATA[11月 29 17:42:20 localhost.localdomain systemd[1]: sshd.service: Unit process 39743 (systemd-tty-ask) remains running after unit stopped.]]></description><category></category></item><item><title><![CDATA[【nginx】用nginx stream 模块实现基于SNI的四层(TCP)代理服务]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/155985322</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/155985322</guid><author>michaelwoshi</author><pubDate>Tue, 16 Dec 2025 16:49:53 +0800</pubDate><description><![CDATA[我们在使用Nginx的过程中，会遇到一种情况，需要使用Nginx代理网站，但是这个网站的SSL证书确无法获得，这个时候我们就需要使用TCP代理来进行处理。

局域网中只有1台服务器可以访问外部网络，其他服务器如果要访问第三放地址只能通过这台代理器的场景下，在其他服务器/etc/hosts下手动添加解析条目，将第三放地址的域名都解析到这台代理服务器的ip。]]></description><category></category></item><item><title><![CDATA[【openSSH】Linux openEuler-20.03-x86-64服务器升级openSSH至10.2p1版本]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/155985280</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/155985280</guid><author>michaelwoshi</author><pubDate>Tue, 16 Dec 2025 16:48:27 +0800</pubDate><description><![CDATA[ssl_preread` 是 Nginx 在 **Stream 模块（四层代理）** 中用于 **SNI（Server Name Indication）解析** 的关键指令，它使得 Nginx 可以在不解密 TLS/SSL 流量的情况下，提前读取客户端请求的域名信息，从而进行路由决策。这样，访问 `www.example.com:443` 的流量会被代理到 `backend1`，而 `www.test.com:443` 的流量会被代理到 `backend2`。]]></description><category></category></item><item><title><![CDATA[【MySQL】MySQL 官方安装包形式]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/133465146</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/133465146</guid><author>michaelwoshi</author><pubDate>Sun, 01 Oct 2023 14:47:24 +0800</pubDate><description><![CDATA[MySQL 官方安装包形式]]></description><category></category></item><item><title><![CDATA[【SSL】用Certbot生成免费HTTPS证书]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/133413041</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/133413041</guid><author>michaelwoshi</author><pubDate>Fri, 29 Sep 2023 11:10:56 +0800</pubDate><description><![CDATA[用Certbot生成免费HTTPS证书]]></description><category></category></item><item><title><![CDATA[【 版本】Alpha 、Beta 、RC 、GA 版本区别]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/133412993</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/133412993</guid><author>michaelwoshi</author><pubDate>Fri, 29 Sep 2023 11:09:32 +0800</pubDate><description><![CDATA[其中：如果是WX.开头是正式版，WB.开头是测试版。● RTM（Release to Manufacture）：是给工厂大量压片的版本，内容跟正式版是一样的，不过RTM版也有出限制、评估版的。● β是第二个阶段，已经消除了软件中大部分的不完善之处，但仍有可能还存在缺陷和漏洞，一般只提供给特定的用户群来测试使用。● GA（General Availability）：正式发布的版本，在国外都是用GA来说明release版本的。● EVAL：流通在网络上的EVAL版，与“评估版”类似，功能上和零售版没有区别。]]></description><category></category></item><item><title><![CDATA[【分布式】日志技术]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/128254342</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/128254342</guid><author>michaelwoshi</author><pubDate>Fri, 09 Dec 2022 15:48:04 +0800</pubDate><description><![CDATA[日志技术是宕机恢复的主要技术之一。]]></description><category></category></item><item><title><![CDATA[【CPU】如何正确理解 CPU 使用率和平均负载的关系？]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/127398956</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/127398956</guid><author>michaelwoshi</author><pubDate>Tue, 18 Oct 2022 23:25:08 +0800</pubDate><description><![CDATA[如何正确理解 CPU 使用率和平均负载的关系？
什么场景会造成 CPU 使用率低而平均负载确很高呢？]]></description><category></category></item><item><title><![CDATA[【history】如何丝滑地记录Linxu命令行操作历史？]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924569</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924569</guid><author>michaelwoshi</author><pubDate>Sun, 18 Sep 2022 22:38:35 +0800</pubDate><description><![CDATA[如何丝滑地记录Linxu命令行操作历史？]]></description><category></category></item><item><title><![CDATA[【MTU】网络链路MTU大小测试]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924544</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924544</guid><author>michaelwoshi</author><pubDate>Sun, 18 Sep 2022 22:36:33 +0800</pubDate><description><![CDATA[网络链路MTU大小测试]]></description><category></category></item><item><title><![CDATA[【Windows &MTU】Windows上最大传输单元MTU值的查看和设置]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924526</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924526</guid><author>michaelwoshi</author><pubDate>Sun, 18 Sep 2022 22:35:09 +0800</pubDate><description><![CDATA[Windows上最大传输单元MTU值的查看和设置]]></description><category></category></item><item><title><![CDATA[【WinMTR】Windows上winmtr的安装使用方法]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924510</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924510</guid><author>michaelwoshi</author><pubDate>Sun, 18 Sep 2022 22:34:00 +0800</pubDate><description><![CDATA[Windows上winmtr的安装使用方法]]></description><category></category></item><item><title><![CDATA[【MTU】Windows/Linux下修改MTU]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924372</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924372</guid><author>michaelwoshi</author><pubDate>Sun, 18 Sep 2022 22:26:10 +0800</pubDate><description><![CDATA[Windows/Linux下修改MTU]]></description><category></category></item><item><title><![CDATA[【PMTU】TCP的MTU探测]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924358</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924358</guid><author>michaelwoshi</author><pubDate>Sun, 18 Sep 2022 22:25:09 +0800</pubDate><description><![CDATA[TCP的MTU探测]]></description><category></category></item><item><title><![CDATA[【网络】MTU相关网络丢包问题分析处理]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924335</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/126924335</guid><author>michaelwoshi</author><pubDate>Sun, 18 Sep 2022 22:24:01 +0800</pubDate><description><![CDATA[MTU相关网络丢包问题分析处理]]></description><category></category></item><item><title><![CDATA[【ping】在Linux服务器上ping某个主机时，出现(DUP!)，一般是什么原因？]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/126791511</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/126791511</guid><author>michaelwoshi</author><pubDate>Sat, 10 Sep 2022 00:00:28 +0800</pubDate><description><![CDATA[在Linux服务器上ping某个主机时，出现(DUP!)，一般是什么原因？]]></description><category></category></item><item><title><![CDATA[【TCP】关于TCP连接中，Connection reset by peer和Connection reset原因分析]]></title><link>https://blog.youkuaiyun.com/michaelwoshi/article/details/126791494</link><guid>https://blog.youkuaiyun.com/michaelwoshi/article/details/126791494</guid><author>michaelwoshi</author><pubDate>Fri, 09 Sep 2022 23:59:23 +0800</pubDate><description><![CDATA[关于TCP连接中，Connection reset by peer和Connection reset原因分析]]></description><category></category></item></channel></rss>