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    <channel>
        <title>Linux - 分类 - 招财猫的部落格</title>
        <link>https://blog.besty.day/categories/linux/</link>
        <description>Linux - 分类 - 招财猫的部落格</description>
        <generator>Hugo -- gohugo.io</generator><language>zh-CN</language><lastBuildDate>Fri, 05 Dec 2025 14:37:04 &#43;0800</lastBuildDate><atom:link href="https://blog.besty.day/categories/linux/" rel="self" type="application/rss+xml" /><item>
    <title>加固RackNerd VPS</title>
    <link>https://blog.besty.day/posts/2025/12/hardern-racknerd-server/</link>
    <pubDate>Fri, 05 Dec 2025 14:37:04 &#43;0800</pubDate>
    <author>招财猫</author>
    <guid>https://blog.besty.day/posts/2025/12/hardern-racknerd-server/</guid>
    <description><![CDATA[<p>吃灰两年的阿里云服务器马上到期了，不想续费，感觉一直放着挺浪费。不过 RackNerd 黑五又有优惠，忍不住入手了一台 2 核 VPS，花了 17 刀，续费同价，用着也比较安心，就顺手记录一下云服务器的安全加固流程。</p>]]></description>
</item>
<item>
    <title>CentOS 7 防火墙详解</title>
    <link>https://blog.besty.day/posts/2023/11/centos7-firewall-details/</link>
    <pubDate>Tue, 07 Nov 2023 11:22:25 &#43;0800</pubDate>
    <author>招财猫</author>
    <guid>https://blog.besty.day/posts/2023/11/centos7-firewall-details/</guid>
    <description><![CDATA[<p>当涉及到保护你的CentOS 7 服务器不受未经授权的访问和网络攻击时，防火墙是一个至关重要的工具。CentOS 7 默认使用的是 <code>firewalld</code> 防火墙管理工具，它提供了灵活的配置选项，以确保你的服务器安全性。在本文中，我们将深入探讨 CentOS 7 防火墙命令，包括基本操作、规则管理、服务设置和高级配置，帮助你更好地了解如何保护你的服务器。</p>]]></description>
</item>
<item>
    <title>CentOS7云服务器安全加固</title>
    <link>https://blog.besty.day/posts/2022/09/enhance-server-security/</link>
    <pubDate>Wed, 21 Sep 2022 21:57:45 &#43;0800</pubDate>
    <author>招财猫</author>
    <guid>https://blog.besty.day/posts/2022/09/enhance-server-security/</guid>
    <description><![CDATA[<p>事情的起因是这样的，前几天我像往常一样用<code>Putty</code>登录公司的云服务器，突然有一行字引起了我的注意，如图：</p>
<p></p>
<p>好家伙，37次登录失败，而且是<code>root</code>用户。一股凉气从心里升起，我特意查了一下这个IP。</p>]]></description>
</item>
<item>
    <title>Ubuntu 18.04</title>
    <link>https://blog.besty.day/posts/2018/08/ubuntu-18.04/</link>
    <pubDate>Sat, 18 Aug 2018 09:19:20 &#43;0800</pubDate>
    <author>招财猫</author>
    <guid>https://blog.besty.day/posts/2018/08/ubuntu-18.04/</guid>
    <description><![CDATA[<h2 id="ubuntu-1804安装后做的事情">Ubuntu 18.04安装后做的事情</h2>
<h3 id="安装openssh-server">安装openssh-server</h3>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo apt install openssh-server</span></span></code></pre></div></div>

<h3 id="安装curl">安装curl</h3>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo apt install curl</span></span></code></pre></div></div>

<h3 id="安装git">安装git</h3>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo apt install git</span></span></code></pre></div></div>

<h3 id="安装zsh">安装zsh</h3>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo apt install zsh</span></span></code></pre></div></div>

<p>安装<code>oh my zsh</code></p>]]></description>
</item>
<item>
    <title>Centos7环境配置</title>
    <link>https://blog.besty.day/posts/2018/08/centos7-environment-setup/</link>
    <pubDate>Thu, 02 Aug 2018 20:31:02 &#43;0800</pubDate>
    <author>招财猫</author>
    <guid>https://blog.besty.day/posts/2018/08/centos7-environment-setup/</guid>
    <description><![CDATA[<h3 id="开启epel仓库">开启EPEL仓库</h3>
<p>EPEL(Extra Packages for Enterprise Linux)是Fedora小组维护的一个软件仓库项目，为RHEL/CentOS提供他们默认不提供的软件包。</p>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">wget http://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
</span></span><span class="line"><span class="cl">sudo rpm -ivh epel-release-latest-7.noarch.rpm
</span></span><span class="line"><span class="cl">sudo yum update</span></span></code></pre></div></div>

<h3 id="安装git">安装git</h3>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo yum install git</span></span></code></pre></div></div>

<h3 id="安装zsh">安装zsh</h3>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo yum install zsh</span></span></code></pre></div></div>

<p>安装<code>oh my zsh</code></p>]]></description>
</item>
<item>
    <title>安装完Ubuntu后需要做的事</title>
    <link>https://blog.besty.day/posts/2016/10/after-ubuntu-installation/</link>
    <pubDate>Wed, 26 Oct 2016 16:03:15 &#43;0000</pubDate>
    <author>招财猫</author>
    <guid>https://blog.besty.day/posts/2016/10/after-ubuntu-installation/</guid>
    <description><![CDATA[<h2 id="我会安装的工具">我会安装的工具</h2>
<p><strong>开发相关</strong></p>
<ul>
<li>g++，必须的，C++编译器</li>
<li>clang，据说是比gcc更好用的编译器，emacs的一些补全工具会用这个做后端</li>
<li>emacs，编辑器之神，谁用谁知道，入门门槛稍微高了一点，我现在还是菜鸟hoho</li>
<li>git，连接github开源代码</li>
<li>vim，自从加入emacs阵营后，这个就用的少了</li>
<li>subversion，公司代码还是用svn管理</li>
<li>cmake，使用cmake自动生成Makefile，编译工程很方便</li>
<li>global，emacs里面用来生成GTAGS，利于阅读代码</li>
<li>meld，文件比较工具，支持整个目录的比较，以及版本控制系统，比如svn，git</li>
<li>git cola，一个非常好用的git客户端工具</li>
<li>LiteIDE，Go语言IDE</li>
<li>CLion，JetBrains出品的C++IDE，很少用，最大的缺点耗内存，其他功能都不错</li>
<li>curl，命令行抓取工具</li>
<li>CodeBlocks，C++IDE，公司目前用的，比较少用，只用来编译发布。下面的操作安装最新的16.01版本。</li>
</ul>
<div class="code-block code-line-numbers open" style="counter-reset: code-block 0">
    <div class="code-header language-bash">
        <span class="code-title"><i class="arrow fas fa-angle-right" aria-hidden="true"></i></span>
        <span class="ellipses"><i class="fas fa-ellipsis-h" aria-hidden="true"></i></span>
        <span class="copy" title="复制到剪贴板"><i class="far fa-copy" aria-hidden="true"></i></span>
    </div><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">sudo add-apt-repository ppa:damien-moore/codeblocks-stable
</span></span><span class="line"><span class="cl">sudo apt-get update
</span></span><span class="line"><span class="cl">sudo apt-get install codeblocks</span></span></code></pre></div></div>

<p><strong>日常使用</strong></p>]]></description>
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