404, new post: recover udisk

This commit is contained in:
dongdigua 2022-11-13 16:44:41 +08:00
parent b60f9f31e0
commit 793c77abf6
8 changed files with 82 additions and 13 deletions

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<title>404</title>
<center>
<img src="./images/404.png" alt="404.png">
</center>

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--> -->
<div class="home p-contact contact h-card vcard"> <div class="home p-contact contact h-card vcard">
<pre> <pre>
(let ((name "<strong>dongdigua</strong>") (let ((blog <strong>"<a href=https://dongdigua.github.io/posts>posts/</a>"</strong>)
(mai1 "dongdigua{a+}outlook{d0t}com")
(blog "<a href=https://dongdigua.github.io/posts>posts/</a>")
(feed "<a href=https://dongdigua.github.io/feed.xml>feed.xml</a>") (feed "<a href=https://dongdigua.github.io/feed.xml>feed.xml</a>")
(mai1 "dongdigua{a+}outlook{d0t}com")
(github "<a href=https://github.com/dongdigua>@dongdigua</a>") (github "<a href=https://github.com/dongdigua>@dongdigua</a>")
(bilibili "<a href=https://space.bilibili.com/489732092>董地瓜</a>") (bilibili "<a href=https://space.bilibili.com/489732092>董地瓜</a>")
(payment "<a href=https://dongdigua.github.io/xmr>Monero</a>") (payment "<a href=https://dongdigua.github.io/xmr>Monero</a>")
(pgp "<a href=https://dongdigua.github.io/pgpkey.txt>0x56CEE157C9F5334F</a>") (pgp "<a href=https://dongdigua.github.io/pgpkey.txt>0x56CEE157C9F5334F</a>")
(paid-service <font color="grey">; pay in monero</font>
'(("<a href="https://dongdigua.github.io/recover_udisk#ad">data recovery"</a> . 0.5)
("kernel configure" . 0.1)))
(interests (interests
'("computer science" '("computer science" "cyber security"
"cyber security"
"GeoGebra" "GeoGebra"
"Minecraft redstone survival" "Minecraft redstone survival"
"anime" "anime"
(Lost (In (Superfluous (Parentheses)))))) (Lost (In (Superfluous (Parentheses))))))))
(random-quote
"<span id="quote"></span>")))
</pre> </pre>
<br>
random-quote:
<center>"<span id="quote"></span>"</center>
</div> </div>
</body> </body>
<script src="./js/random-quote.js"></script> <script src="./js/random-quote.js"></script>

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@ -8,6 +8,7 @@ var data = [
"<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>", "<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>",
"Fly high my friend, until we meet again", "Fly high my friend, until we meet again",
"HsCnPtPYZnSr", "HsCnPtPYZnSr",
"李无用地瓜碱水, 硒钫铕𬭶鿔合金",
"There will be an answer: Let It Be", "There will be an answer: Let It Be",
"The internet is FULL, go away!", "The internet is FULL, go away!",
@ -25,6 +26,8 @@ var data = [
"Presenting to the emergency room, unconcious", "Presenting to the emergency room, unconcious",
"Never Gonna Give You Up", "Never Gonna Give You Up",
"treat C compiler like your girlfriend", "treat C compiler like your girlfriend",
"衬衫的价格是9磅15便士",
"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。",
]; ];
var index = Math.floor((Math.random() * data.length)); var index = Math.floor((Math.random() * data.length));

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@ -75,7 +75,7 @@
"feed.xml" "feed.xml"
"./../" "./../"
"https://dongdigua.github.io" "https://dongdigua.github.io"
(delete "xmr.html" (delete "index.html" (directory-files "./../" nil ".*\.html$"))) (delete "404.html" (delete "xmr.html" (delete "index.html" (directory-files "./../" nil ".*\.html$"))))
:title "dongdigua's blog" :title "dongdigua's blog"
:description "Blog!" :description "Blog!"
:builder 'webfeeder-make-rss) :builder 'webfeeder-make-rss)

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#+TITLE: 记一次帮老师修U盘
#+DESCRIPTION: 驱动器 F 中的磁盘未格式化, 想现在格式化吗?
#+DATE: <2022-11-13 日>
#+OPTIONS: toc:nil num:nil
* 发生甚么事了
老师上课放(U盘里)视频的时候 "啪" 把U盘拔了!
下一次插上就提示 "是否格式化" :)
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
* 咋整
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)
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
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
** 第一次尝试
把老师的U盘插上, "嘎嗒"一声熟悉的 gnome 提示音, U盘没显示
=/dev/sdc=
=mount -t= 试试? 是不是没文件系统坏了没识别? 不是
=fsck= 试试? 不行
嗯??? 似乎有点超出我的知识储备和经验了
** 第二次尝试
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
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]]
然后先用 =dd= 整盘备份一下, 跑 testdisk
很简单就把分区表恢复出来了!
那就开始拷文件吧..."文件不完整"
** 第三次尝试
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)
这东西一看就知道是通过文件头来识别并恢复文件的
那就跑呗
一节课之后, 文件(和曾经被删除的)都回来了
开心!
* 接活?
:PROPERTIES:
:CUSTOM_ID: ad
:END:
我可以比较廉价的进行数据恢复
联系我后将磁盘镜像传到 FTP 服务器, *不接百度网盘*
暂定价如下:
** 16GiB 以下 0.3 XMR
** 16~64GiB 0.5 XMR
* 后续
#+BEGIN_COMMENT
一同学有坏的 32G盘(很早之前坏的), 给我恢复
看到是 =/dev/sda1= 知道分区表没坏
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
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
...但是总是到 12G 的时候掉盘
那就直接 =fsck.fat -a=? 还是掉盘
我尝试把其中的一个大文件先移动走再 fsck, 但是 "Read-only file system"
emm...硬件问题还是没办法
#+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 * 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
* 不同 Linux 内核(xanmod, clear)玩 MC 性能对比 * 不同 Linux 内核(xanmod, clear)玩 MC 性能对比
* emacs mode: eww show =console.log()= in Message * emacs mode: eww show =console.log()= in Message
* win7WM

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## Table of Contents ## Table of Contents
### Posts (sorted by time) ### Posts (sorted by time)
- [记一次帮老师修U盘](recover_udisk)<br>
- [Clear Kernel Compile Error? Fix It](clear_kernel_compile_fix)<br> - [Clear Kernel Compile Error? Fix It](clear_kernel_compile_fix)<br>
- [Gentoo LLVM\_TARGETS not Working?](gentoo_llvm_targets)<br> - [Gentoo LLVM\_TARGETS not Working?](gentoo_llvm_targets)<br>
- [CentOS/Fedora 不同的配置默认都安装了什么软件](anaconda_kickstarts)<br> - [CentOS/Fedora 不同的配置默认都安装了什么软件](anaconda_kickstarts)<br>
for [COSSIG](https://www.cossig.org) for [COSSIG](https://www.cossig.org)
- [build a nixos live image](nixos)<br> - [<font color=grey>build a nixos live image</font>](nixos)<br>
nonsense
- [moonboos, 懂的都懂](moonboos)<br> - [moonboos, 懂的都懂](moonboos)<br>
- [MGLNDD scans](weird_mglndd)<br> - [MGLNDD scans](weird_mglndd)<br>
- [推荐 everforest 主题](recommend_everforest_theme)<br> - [推荐 everforest 主题](recommend_everforest_theme)<br>
@ -14,8 +14,7 @@ any kind of contribution is welcome
- [我的 gnome 配置](my_gnome_config)<br> - [我的 gnome 配置](my_gnome_config)<br>
- [我对 SciCraft 更新1.19的看法](scicraft_update)<br> - [我对 SciCraft 更新1.19的看法](scicraft_update)<br>
- [对我将来的视频网站的一些畅想](plan_for_my_video_site)<br> - [对我将来的视频网站的一些畅想](plan_for_my_video_site)<br>
- [elixir 写点对点加密聊天软件](p2p_chat)<br> - [<font color=grey>ARCHIVE: elixir 写点对点加密聊天软件</font>](p2p_chat)<br>
nonsense archive
--- ---