mirror of
https://github.com/dongdigua/dongdigua.github.io
synced 2024-11-23 15:33:09 +08:00
404, new post: recover udisk
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404.html
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404.html
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<title>404</title>
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<center>
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<img src="./images/404.png" alt="404.png">
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</center>
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images/404.png
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index.html
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-->
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<div class="home p-contact contact h-card vcard">
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<pre>
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(let ((name "<strong>dongdigua</strong>")
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(mai1 "dongdigua{a+}outlook{d0t}com")
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(blog "<a href=https://dongdigua.github.io/posts>posts/</a>")
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(let ((blog <strong>"<a href=https://dongdigua.github.io/posts>posts/</a>"</strong>)
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(feed "<a href=https://dongdigua.github.io/feed.xml>feed.xml</a>")
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(mai1 "dongdigua{a+}outlook{d0t}com")
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(github "<a href=https://github.com/dongdigua>@dongdigua</a>")
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(bilibili "<a href=https://space.bilibili.com/489732092>董地瓜</a>")
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(payment "<a href=https://dongdigua.github.io/xmr>Monero</a>")
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(pgp "<a href=https://dongdigua.github.io/pgpkey.txt>0x56CEE157C9F5334F</a>")
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(paid-service <font color="grey">; pay in monero</font>
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'(("<a href="https://dongdigua.github.io/recover_udisk#ad">data recovery"</a> . 0.5)
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("kernel configure" . 0.1)))
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(interests
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'("computer science"
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"cyber security"
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'("computer science" "cyber security"
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"GeoGebra"
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"Minecraft redstone survival"
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"anime"
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(Lost (In (Superfluous (Parentheses))))))
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(random-quote
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"<span id="quote"></span>")))
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(Lost (In (Superfluous (Parentheses))))))))
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</pre>
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<br>
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random-quote:
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<center>"<span id="quote"></span>"</center>
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</div>
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</body>
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<script src="./js/random-quote.js"></script>
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@ -8,6 +8,7 @@ var data = [
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"<a id=quote href=https://www.bilibili.com/video/BV1vW411g7tN>谁甘人生黯淡无光 谁愿做叶不争艳芳</a>",
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"Fly high my friend, until we meet again",
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"HsCnPtPYZnSr",
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"李无用地瓜碱水, 硒钫铕𬭶鿔合金",
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"There will be an answer: Let It Be",
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"The internet is FULL, go away!",
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@ -25,6 +26,8 @@ var data = [
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"Presenting to the emergency room, unconcious",
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"Never Gonna Give You Up",
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"treat C compiler like your girlfriend",
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"衬衫的价格是9磅15便士",
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"李彦宏: 我想中国人可以更加开放,对隐私问题没有那么敏感。\n如果他们愿意用隐私交换便捷性,很多情况下他们是愿意的。",
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];
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var index = Math.floor((Math.random() * data.length));
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"feed.xml"
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"./../"
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"https://dongdigua.github.io"
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(delete "xmr.html" (delete "index.html" (directory-files "./../" nil ".*\.html$")))
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(delete "404.html" (delete "xmr.html" (delete "index.html" (directory-files "./../" nil ".*\.html$"))))
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:title "dongdigua's blog"
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:description "Blog!"
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:builder 'webfeeder-make-rss)
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org/recover_udisk.org
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org/recover_udisk.org
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#+TITLE: 记一次帮老师修U盘
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#+DESCRIPTION: 驱动器 F 中的磁盘未格式化, 想现在格式化吗?
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#+DATE: <2022-11-13 日>
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#+OPTIONS: toc:nil num:nil
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* 发生甚么事了
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老师上课放(U盘里)视频的时候 "啪" 把U盘拔了!
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下一次插上就提示 "是否格式化" :)
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反正闲时间太多, 我就准备试试给修复一下, 使用我在我文具盒里待了两年的工具箱: [[https://www.ventoy.net][Ventoy]] 启动盘
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* 咋整
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我首先是对 Linux 文件系统有一定基础, 也进行过不少操作(如多次安装gentoo和arch)
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也搞过一些文件系统损坏的事(比如调分区坏过C盘), 还算有经验
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于是我上老师电脑启动了两年前放在工具箱盘里的 Fedora Workstation 34
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** 第一次尝试
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把老师的U盘插上, "嘎嗒"一声熟悉的 gnome 提示音, U盘没显示
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有 =/dev/sdc=
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=mount -t= 试试? 是不是没文件系统坏了没识别? 不是
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=fsck= 试试? 不行
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嗯??? 似乎有点超出我的知识储备和经验了
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** 第二次尝试
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只有一个整盘, 没有分区号? 凭直觉, 我觉得那就是分区表坏了
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然后查了一下(当然用英文查), 有没有能修复分区表的? [[https://www.cgsecurity.org][testdisk]]
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然后先用 =dd= 整盘备份一下, 跑 testdisk
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很简单就把分区表恢复出来了!
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那就开始拷文件吧..."文件不完整"
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** 第三次尝试
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和 testdisk 一家的软件还有 =photorec=, 我似乎在 [[https://linux.cn][linuxcn]] 见过(懒得去找链接了)
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这东西一看就知道是通过文件头来识别并恢复文件的
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那就跑呗
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一节课之后, 文件(和曾经被删除的)都回来了
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开心!
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* 接活?
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:PROPERTIES:
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:CUSTOM_ID: ad
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:END:
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我可以比较廉价的进行数据恢复
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联系我后将磁盘镜像传到 FTP 服务器, *不接百度网盘*
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暂定价如下:
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** 16GiB 以下 0.3 XMR
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** 16~64GiB 0.5 XMR
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* 后续
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#+BEGIN_COMMENT
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一同学有坏的 32G盘(很早之前坏的), 给我恢复
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看到是 =/dev/sda1= 知道分区表没坏
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不稳定, 总是掉盘(原因可能是过热), 这估计也是坏的原因了, 所以我就 =watch -n 20 ls /dev/sd*= 检查着
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先用 dd 备份一份...结果他给我的备份盘是 FAT32, 镜像太大了, 所以就暂时再用 gparted 分一个 NTFS 的分区
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...但是总是到 12G 的时候掉盘
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那就直接 =fsck.fat -a=? 还是掉盘
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我尝试把其中的一个大文件先移动走再 fsck, 但是 "Read-only file system"
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emm...硬件问题还是没办法
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#+END_COMMENT
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* 用 sway 实现[[https://www.bilibili.com/video/BV1TE41147gK][用窗口玩游戏(×)用游戏玩窗口(√)]]的效果
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* 不同 Linux 内核(xanmod, clear)玩 MC 性能对比
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* emacs mode: eww show =console.log()= in Message
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* win7WM
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posts.md
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posts.md
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## Table of Contents
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### Posts (sorted by time)
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- [记一次帮老师修U盘](recover_udisk)<br>
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- [Clear Kernel Compile Error? Fix It](clear_kernel_compile_fix)<br>
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- [Gentoo LLVM\_TARGETS not Working?](gentoo_llvm_targets)<br>
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- [CentOS/Fedora 不同的配置默认都安装了什么软件](anaconda_kickstarts)<br>
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for [COSSIG](https://www.cossig.org)
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- [build a nixos live image](nixos)<br>
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nonsense
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- [<font color=grey>build a nixos live image</font>](nixos)<br>
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- [moonboos, 懂的都懂](moonboos)<br>
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- [MGLNDD scans](weird_mglndd)<br>
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- [推荐 everforest 主题](recommend_everforest_theme)<br>
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@ -14,8 +14,7 @@ any kind of contribution is welcome
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- [我的 gnome 配置](my_gnome_config)<br>
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- [我对 SciCraft 更新1.19的看法](scicraft_update)<br>
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- [对我将来的视频网站的一些畅想](plan_for_my_video_site)<br>
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- [elixir 写点对点加密聊天软件](p2p_chat)<br>
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nonsense archive
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- [<font color=grey>ARCHIVE: elixir 写点对点加密聊天软件</font>](p2p_chat)<br>
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---
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