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href="https://music.163.com/#/user/home?id=133056878" target="_blank" title="网易云"><i class="fas fa-headphones-alt"></i></a></div></div><div id="scroll_down"><i class="fas fa-angle-down scroll-down-effects"></i></div></header><main class="layout_page" id="content-inner"><div class="recent-posts" id="recent-posts"><div class="recent-post-item"><div class="post_cover left_radius"><a href="/2025/07/03/%E9%80%9A%E8%BF%87KVM%20%E5%AE%89%E8%A3%85%E9%BB%91%E7%BE%A4%E6%99%96%E5%B9%B6%E8%8E%B7%E5%8F%96%E7%8B%AC%E7%AB%8BIP/" title="通过KVM 安装黑群晖并获取独立IP"> <img class="post_bg" data-lazy-src="https://static.runoob.com/images/mix/code-wallpaper-22.jpg" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="通过KVM 安装黑群晖并获取独立IP"></a></div><div class="recent-post-info"><a class="article-title" href="/2025/07/03/%E9%80%9A%E8%BF%87KVM%20%E5%AE%89%E8%A3%85%E9%BB%91%E7%BE%A4%E6%99%96%E5%B9%B6%E8%8E%B7%E5%8F%96%E7%8B%AC%E7%AB%8BIP/" title="通过KVM 安装黑群晖并获取独立IP">通过KVM 安装黑群晖并获取独立IP</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2025-07-03T19:34:44.000Z" title="发表于 2025-07-03 22:34:44">2025-07-03</time></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag article-meta__icon"></i><a class="article-meta__tags" href="/tags/%E6%8A%98%E8%85%BE/">折腾</a></span></div><div class="content">通过KVM 安装黑群晖并获取独立IP事情的起因是，实验室多了4块机械盘，想要做NAS，所以叫老板买了个NAS，但是我眼睛花了买到了一个DAS，这玩意只有USB并没有网口，更别说系统了，就是一个大号移动硬盘，好在支持USB3.0，而USB 3.0 5Gbps对于4块机械硬盘RAID0来说完全够了。因此打算基于这个配置弄一个虚拟化的NAS
弄一个虚拟化的NAS + 黑群晖的首要要求就是要有独立IP，因此想到了虚拟机。
目前虚拟机有以下几种选择：
KVM + 块设备直通 + virtio-scsi
VMware + 硬盘直通
Hyper-V + 硬盘直通
本文采用第一种方法。方案2的性能损耗太大，而方案3只能支持带有扩展卡的，我并没有扩展卡，就一个USB硬盘，自然不可能
安装KVM并配置桥接12sudo apt updatesudo apt install qemu-kvm bridge-utils
由于我是Ubuntu 22.04，用不是netplan而是NetworkManager 来管理网络的, 因此网上很多教程都不适用，需要重新配置
1234nmcli connection ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/2025/01/06/%E7%AE%80%E4%B8%AD%E4%BA%92%E8%81%94%E7%BD%91%E4%B8%8B%E6%90%9C%E7%B4%A2%E5%BC%95%E6%93%8E%E7%9A%84%E5%A4%B1%E6%95%88/" title="简中互联网下搜索引擎的失效"> <img class="post_bg" data-lazy-src="https://static.runoob.com/images/mix/code-wallpaper-18.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="简中互联网下搜索引擎的失效"></a></div><div class="recent-post-info"><a class="article-title" href="/2025/01/06/%E7%AE%80%E4%B8%AD%E4%BA%92%E8%81%94%E7%BD%91%E4%B8%8B%E6%90%9C%E7%B4%A2%E5%BC%95%E6%93%8E%E7%9A%84%E5%A4%B1%E6%95%88/" title="简中互联网下搜索引擎的失效">简中互联网下搜索引擎的失效</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2025-01-06T00:42:54.000Z" title="发表于 2025-01-06 03:42:54">2025-01-06</time></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag article-meta__icon"></i><a class="article-meta__tags" href="/tags/%E6%9D%82%E8%B0%88/">杂谈</a></span></div><div class="content">许久没有提笔写长文，这一篇就是送给让我破防破口大骂的简中互联网的。
互联网精神的黄金时代笔者一开始接触互联网的时间约为06年，那个时候我暂且称之为互联网精神的黄金时代。那个年代国内还是可以访问谷歌的，移动互联网还没有兴起，手机上网用的还是移动梦网，动感地带之类。彼时的互联网没有那么抽象，网上要个资源也是随便能找到。那个时候的血还是红色的不是绿色的，什锦八宝表情包还是可以发的，圣诞节也是可以庆祝的。与如今相去甚远，当时人们还在比较百度和谷歌的搜索结果谁好，音乐也有网页播放，不需要强制跳转APP。贴吧和论坛也成了许多人开眼看世界的平台。但是Good old days 也只是old days，水果自然变质是个不可逆的过程。
生态护城河移动互联网的兴起，再加上规范的缺乏，导致引流现象越发严重。由于国人软件付费意识的淡薄，绝大部分软件都只能免费才能获得基础流量。但是羊毛出在羊身上，免费的往往是最贵的。程序员花了时间写软件要钱，租服务器运行也要钱，既然用户不为软件付费，软件就得想办法从用户身上榨取利益。其中最直接的就是广告了，广告的浏览量，点击率，转化率，都是现金流的保障，因此用户的流量就变成了硬 ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/2024/10/21/IDA%E6%81%A2%E5%A4%8D%E7%AC%A6%E5%8F%B7%E4%BF%A1%E6%81%AF/" title="IDA 如何恢复strip后binary的符号信息"> <img class="post_bg" data-lazy-src="https://i.loli.net/2020/07/30/HAcfI3T9pYPWwxu.png" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="IDA 如何恢复strip后binary的符号信息"></a></div><div class="recent-post-info"><a class="article-title" href="/2024/10/21/IDA%E6%81%A2%E5%A4%8D%E7%AC%A6%E5%8F%B7%E4%BF%A1%E6%81%AF/" title="IDA 如何恢复strip后binary的符号信息">IDA 如何恢复strip后binary的符号信息</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2024-10-21T15:28:54.000Z" title="发表于 2024-10-21 18:28:54">2024-10-21</time></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag article-meta__icon"></i><a class="article-meta__tags" href="/tags/IDA/">IDA</a></span></div><div class="content">IDA 如何恢复strip后binary的符号信息如何恢复strip之后的binary符号信息仍然是一个学术界研究的项目。因为给定源代码，不同的编译器/优化选项/CPU支持的指令集/目标架构 都会对变异过后的二进制文件产生影响。而且有些没有被引用的静态包并不会被引入二进制文件里面。所以这仍旧是一个难以解决的问题。
FLAIRPros: 官方支持，使用简单
Cons: 仅支持静态系统库，如libc等。仅支持函数签名，且需要手动解决conflict
FLAIR已经被官方支持了，如果你下载的是7.7版本的话，就会有FLAIR套件，没有的话网上也有一大堆如何安装FLAIR的东西。
https://github.com/mandiant/flare-ida
但是函数签名并不是万能的，因为strip过后的库函数有很多相同的函数签名，
RIZZO基于二进制bytes的比较，同时也支持上面的FLAIR所有功能，支持Call Graph + 常数搜索 + 函数签名，看上去是个不错的选项。
函数签名容易撞车，Call Graph 容易被function inline干掉，Constant Search能够 ...</div></div></div><div class="recent-post-item"><div class="post_cover right_radius"><a href="/2023/09/26/%E9%85%8D%E7%BD%AELinux%20%E7%9A%84xrdp%E5%92%8CVNC%EF%BC%8C%E8%AE%A9%E6%9C%8D%E5%8A%A1%E5%99%A8%E6%94%AF%E6%8C%81GUI/" title="配置Linux 的xrdp和VNC，让服务器支持GUI"> <img class="post_bg" data-lazy-src="https://img2.woyaogexing.com/2020/07/30/9bc6cd92f7f649a19a6efd982ce4b413!400x400.webp" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="配置Linux 的xrdp和VNC，让服务器支持GUI"></a></div><div class="recent-post-info"><a class="article-title" href="/2023/09/26/%E9%85%8D%E7%BD%AELinux%20%E7%9A%84xrdp%E5%92%8CVNC%EF%BC%8C%E8%AE%A9%E6%9C%8D%E5%8A%A1%E5%99%A8%E6%94%AF%E6%8C%81GUI/" title="配置Linux 的xrdp和VNC，让服务器支持GUI">配置Linux 的xrdp和VNC，让服务器支持GUI</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2023-09-25T23:16:44.000Z" title="发表于 2023-09-26 02:16:44">2023-09-26</time></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag article-meta__icon"></i><a class="article-meta__tags" href="/tags/Linux/">Linux</a></span></div><div class="content">众所周知，由于X11设计上的原因，在网络条件不佳的情况下，其质量巨差，但是有时候在linux中又会不可避免的用到GUI，这个时候xrdp似乎成了一个更好的选择，本文将讲述如何使用xrdp在linux-server上进行远程桌面连接
1. XRDP就像是windows的rdp一样的好用，但是xrdp是基于x11的，GUI的响应速度之比x11要好一些
1. 安装xrdp和xfce41234567sudo apt install xfce4sudo update-alternatives --config x-session-manager# 选xfce4-sesion 回车sudo apt install xrdpsudo systemctl restart xrdp# 开机自启，看情况开启sudo systemctl enable xrdp
一般来说，这样就可以直接连接了，但是，如果遇到了问题，就继续下面的步骤
2. 配置key权限1sudo adduser xrdp ssl-cert
3. 关闭主显示器的GUI这一步你主显示器的GUI就没了
12sudo systemctl ...</div></div></div><div class="recent-post-item"><div class="post_cover left_radius"><a href="/2023/09/15/PythonPyTorch%20%E8%B0%83%E4%BC%98%E6%8C%87%E5%8D%97/" title="Python / PyTorch 性能调优指南"> <img class="post_bg" data-lazy-src="https://img2.woyaogexing.com/2020/07/30/cd0326e40dd049e49e28fd958622947b!400x400.webp" onerror="this.onerror=null;this.src='/img/404.jpg'" alt="Python / PyTorch 性能调优指南"></a></div><div class="recent-post-info"><a class="article-title" href="/2023/09/15/PythonPyTorch%20%E8%B0%83%E4%BC%98%E6%8C%87%E5%8D%97/" title="Python / PyTorch 性能调优指南">Python / PyTorch 性能调优指南</a><div class="article-meta-wrap"><span class="post-meta-date"><i class="far fa-calendar-alt"></i><span class="article-meta-label">发表于</span><time datetime="2023-09-14T21:59:44.000Z" title="发表于 2023-09-15 00:59:44">2023-09-15</time></span><span class="article-meta tags"><span class="article-meta__separator">|</span><i class="fas fa-tag article-meta__icon"></i><a class="article-meta__tags" href="/tags/Python/">Python</a></span></div><div class="content">在炼丹的时候，总是会遇到预处理/训练的速度慢的情况，尤其是遇到大型数据集，一个不小心就是两三天，要是代码还有bug，跑了两天之后发现又得重来，那就更痛苦了，这里介绍一下如何使用profiler找到程序的瓶颈
简单易用的 Line Profiler
Line Profiler还是带有一点侵入性的，需要你手动更改代码
首先最简单的，安装
1pip install line_profiler
安装好之后，在程序里插入@profile就行了（有些编辑器会提示找不到符号），如下
123456789101112from line_profiler import profile@profiledef calculation(): x = 1 for i in range(10000): x += i return xprint(calculation())
然后不要直接运行，而是运行
12kernprof -l <filename>.pypython -m line_profiler <filename.py>.lprof
运行kern ...</div></div></div><nav id="pagination"><div class="pagination"><span class="page-number current">1</span><a class="page-number" href="/page/2/">2</a><span class="space">…</span><a class="page-number" href="/page/9/">9</a><a class="extend next" rel="next" href="/page/2/"><i class="fas fa-chevron-right fa-fw"></i></a></div></nav></div><div class="aside_content" id="aside_content"><div class="card-widget card-info"><div class="card-content"><div class="card-info-avatar is-center"><img class="avatar-img" data-lazy-src="https://i.loli.net/2020/07/30/shRu65oYXAlyOwp.png" onerror="this.onerror=null;this.src='/img/friend_404.gif'" alt="avatar"/><div class="author-info__name">damaoooo</div><div class="author-info__description">A Thrid Year CS MS/PhD Student</div></div><div class="card-info-data"><div class="card-info-data-item is-center"><a href="/archives"><div class="headline">文章</div><div class="length_num">44</div></a></div><div class="card-info-data-item is-center"> <a 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