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<rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:media="http://search.yahoo.com/mrss/" version="2.0"><channel><title>南风知识库</title><link>https://www.southxs.com/</link><atom:link href="https://www.southxs.com/rss.xml" rel="self" type="application/rss+xml"/><description>南风知识库</description><generator>Halo v2.21.9</generator><language>zh-cn</language><image><url>https://www.southxs.com/upload/southxs-black.png</url><title>南风知识库</title><link>https://www.southxs.com/</link></image><lastBuildDate>Thu, 12 Mar 2026 14:22:26 GMT</lastBuildDate><item><title><![CDATA[政务云、私有云内网数据库访问受限问题]]></title><link>https://www.southxs.com/archives/private-cloud-limit</link><description><![CDATA[<img src="https://www.southxs.com/plugins/feed/assets/telemetry.gif?title=%E6%94%BF%E5%8A%A1%E4%BA%91%E3%80%81%E7%A7%81%E6%9C%89%E4%BA%91%E5%86%85%E7%BD%91%E6%95%B0%E6%8D%AE%E5%BA%93%E8%AE%BF%E9%97%AE%E5%8F%97%E9%99%90%E9%97%AE%E9%A2%98&amp;url=/archives/private-cloud-limit" width="1" height="1" alt="" style="opacity:0;">前言： 最近一直在搞政务云，私有云的项目，基本100%有这样的问题，数据库都在内网服务器上，无法公网访问，又或者有设置限定ip地址的问题；与此同时，申请下来的ECS服务器却可以拥有公网IP地址，可以暴露一些端口在公网。针对以上问题，这边给出以下两种解决方案。 起因： 写这篇博客的起因其实很简单，被坑]]></description><guid isPermaLink="false">/archives/private-cloud-limit</guid><dc:creator>南风</dc:creator><enclosure url="https://www.southxs.com/apis/api.storage.halo.run/v1alpha1/thumbnails/-/via-uri?uri=https%3A%2F%2Fimage.southxs.com%2Fbbs%2F2024%2F2024-01-08-iwnvdyherwktngir.png&amp;size=m" type="image/jpeg" length="0"/><category>私有云</category><category>政务云</category><category>运维</category><pubDate>Wed, 17 Jan 2024 07:45:00 GMT</pubDate></item><item><title><![CDATA[玩转Halo博客（Halo + Nginx Proxy Manager + Mysql5.7）]]></title><link>https://www.southxs.com/archives/play-halo</link><description><![CDATA[<img src="https://www.southxs.com/plugins/feed/assets/telemetry.gif?title=%E7%8E%A9%E8%BD%ACHalo%E5%8D%9A%E5%AE%A2%EF%BC%88Halo%20%2B%20Nginx%20Proxy%20Manager%20%2B%20Mysql5.7%EF%BC%89&amp;url=/archives/play-halo" width="1" height="1" alt="" style="opacity:0;">Halo博客服务器晋升玩法 说明：halo2.11+推荐的mysql版本是8.1，这边使用5.7版本是因为个人喜好 服务器的采购，环境的搭建，docker和docker-compose的安装，这边就不细说了，有需求的]]></description><guid isPermaLink="false">/archives/play-halo</guid><dc:creator>南风</dc:creator><enclosure url="https://www.southxs.com/apis/api.storage.halo.run/v1alpha1/thumbnails/-/via-uri?uri=https%3A%2F%2Fimage.southxs.com%2Fbbs%2F2024%2F2024-01-08-razomtphpvgbjubc.jpg&amp;size=m" type="image/jpeg" length="0"/><category>运维</category><pubDate>Wed, 10 Jan 2024 03:49:00 GMT</pubDate></item><item><title><![CDATA[XStream在高并发情况下出现的性能问题]]></title><link>https://www.southxs.com/archives/xstream-high</link><description><![CDATA[<img src="https://www.southxs.com/plugins/feed/assets/telemetry.gif?title=XStream%E5%9C%A8%E9%AB%98%E5%B9%B6%E5%8F%91%E6%83%85%E5%86%B5%E4%B8%8B%E5%87%BA%E7%8E%B0%E7%9A%84%E6%80%A7%E8%83%BD%E9%97%AE%E9%A2%98&amp;url=/archives/xstream-high" width="1" height="1" alt="" style="opacity:0;">关键词：XStream单例；XStream性能问题 线上有一项目使用了XStream进行XML序列化、反序列化的方案，完成服务之间的接口报文Object与Xmlg格式之间的转化。 当线上业务量并不大的情况下，一切正常；但是发现当业务量突然加大的情况下，突然发现，线上服务器出现CPU居高不下，服务接口]]></description><guid isPermaLink="false">/archives/xstream-high</guid><dc:creator>南风</dc:creator><enclosure url="https://www.southxs.com/apis/api.storage.halo.run/v1alpha1/thumbnails/-/via-uri?uri=https%3A%2F%2Fimage.southxs.com%2Fbbs%2F2024%2F2024-01-05-fuodyrojpdvsmnkm.jpg&amp;size=m" type="image/jpeg" length="0"/><category>JAVA</category><pubDate>Mon, 8 Jan 2024 05:43:00 GMT</pubDate></item><item><title><![CDATA[OpenSSH漏洞CVE-2021-41617 & CVE-2020-15778，CentOs7.6升级openssh-8.8p1 & openssl-1.1.1m]]></title><link>https://www.southxs.com/archives/openssh-cve</link><description><![CDATA[<img src="https://www.southxs.com/plugins/feed/assets/telemetry.gif?title=OpenSSH%E6%BC%8F%E6%B4%9ECVE-2021-41617%20%26%20CVE-2020-15778%EF%BC%8CCentOs7.6%E5%8D%87%E7%BA%A7openssh-8.8p1%20%26%20openssl-1.1.1m&amp;url=/archives/openssh-cve" width="1" height="1" alt="" style="opacity:0;">简介 OpenSSH是SSH（Secure SHell）协议的免费开源实现。OpenSSH是个SSH的软件，linux/unix都用openssh软件提供SSH服务。scp 是 secure copy 的缩写, scp 是 linux 系统下基于 ssh 登陆进行安全的远程文件拷贝命令。 漏洞概述]]></description><guid isPermaLink="false">/archives/openssh-cve</guid><dc:creator>南风</dc:creator><enclosure url="https://www.southxs.com/apis/api.storage.halo.run/v1alpha1/thumbnails/-/via-uri?uri=https%3A%2F%2Fimage.southxs.com%2Fbbs%2F2024%2F2024-01-05-urqshanqtcznrolz.jpg&amp;size=m" type="image/jpeg" length="0"/><category>运维</category><pubDate>Fri, 5 Jan 2024 09:13:17 GMT</pubDate></item><item><title><![CDATA[【优雅的Joda-Time】时间处理工具类DateTime]]></title><link>https://www.southxs.com/archives/Joda-Time</link><description><![CDATA[<img src="https://www.southxs.com/plugins/feed/assets/telemetry.gif?title=%E3%80%90%E4%BC%98%E9%9B%85%E7%9A%84Joda-Time%E3%80%91%E6%97%B6%E9%97%B4%E5%A4%84%E7%90%86%E5%B7%A5%E5%85%B7%E7%B1%BBDateTime&amp;url=/archives/Joda-Time" width="1" height="1" alt="" style="opacity:0;">简介 joda-time是一个常用的时间处理类库，它提供了如下几个常用的类： Instant：用来表示时间轴上一个瞬时的点 DateTime：用来替换JDK的Calendar类 LocalDate：表示一个本地的日期，而不包含时间部分（没有时区信息） LocalTime：表示一个本地的时间，而不包含]]></description><guid isPermaLink="false">/archives/Joda-Time</guid><dc:creator>南风</dc:creator><enclosure url="https://www.southxs.com/apis/api.storage.halo.run/v1alpha1/thumbnails/-/via-uri?uri=https%3A%2F%2Fimage.southxs.com%2Fbbs%2F2024%2F2024-01-05-owjqyrogyltjintp.jpg&amp;size=m" type="image/jpeg" length="0"/><category>JAVA</category><pubDate>Fri, 5 Jan 2024 08:54:00 GMT</pubDate></item><item><title><![CDATA[BigDecimal的运算]]></title><link>https://www.southxs.com/archives/OptimizeBigdecimal</link><description><![CDATA[<img src="https://www.southxs.com/plugins/feed/assets/telemetry.gif?title=BigDecimal%E7%9A%84%E8%BF%90%E7%AE%97&amp;url=/archives/OptimizeBigdecimal" width="1" height="1" alt="" style="opacity:0;">一、初始化问题：尽量用字符串的形式初始化，因为小数在计算机内部根本没法精确表示。 BigDecim]]></description><guid isPermaLink="false">/archives/OptimizeBigdecimal</guid><dc:creator>南风</dc:creator><enclosure url="https://www.southxs.com/apis/api.storage.halo.run/v1alpha1/thumbnails/-/via-uri?uri=https%3A%2F%2Fimage.southxs.com%2Fbbs%2F2024%2F2024-01-05-kzxjccqagauwwnmg.jpg&amp;size=m" type="image/jpeg" length="0"/><category>JAVA</category><pubDate>Wed, 27 Dec 2023 03:32:00 GMT</pubDate></item><item><title><![CDATA[从0-1搭建自己的博客]]></title><link>https://www.southxs.com/archives/Create-Self-Bbs</link><description><![CDATA[<img src="https://www.southxs.com/plugins/feed/assets/telemetry.gif?title=%E4%BB%8E0-1%E6%90%AD%E5%BB%BA%E8%87%AA%E5%B7%B1%E7%9A%84%E5%8D%9A%E5%AE%A2&amp;url=/archives/Create-Self-Bbs" width="1" height="1" alt="" style="opacity:0;">缘由：博主近期手痒，想搞个BBS自己玩，于是翻遍开源，最终选择有了Halo 废话不多说，现在开始教程]]></description><guid isPermaLink="false">/archives/Create-Self-Bbs</guid><dc:creator>南风</dc:creator><enclosure url="https://www.southxs.com/apis/api.storage.halo.run/v1alpha1/thumbnails/-/via-uri?uri=https%3A%2F%2Fimage.southxs.com%2Fbbs%2F2024%2F2024-01-05-yfhzmjpgbghwaxoe.jpeg&amp;size=m" type="image/jpeg" length="0"/><category>运维</category><pubDate>Wed, 27 Dec 2023 02:44:00 GMT</pubDate></item></channel></rss>