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diff --git a/backup/WSL子系统编译buildroot填坑.md b/backup/WSL子系统编译buildroot填坑.md
@@ -0,0 +1,72 @@
+之前一直用Windows的子系统`WSL`用来编译`micropython`的固件，速度很快而且文件交互起来也很方便。`buildroot`体积比较大，之前一直都是在`Github`的[codespaces](https://github.com/codespaces)上编译，但是`codespaces`有存储大小限制，所以这里记录一下在`WSL`中编译`buildroot`遇到的一些坑。
+
+### 填坑
+1. 报错 build/elf/librtld.os:raise.c:(.text+0x18bf4): more undefined references to 'rtld_errno' follow
+这个错误是WSL对于挂载的文件，也就是在`/mnt/`下的所有内容都不区分大小写导致的，所以需要把编译的路径放到`/opt`下即可。
+
+```
+$ getfattr -n system.wsl_case_sensitive /mnt/d
+getfattr: Removing leading '/' from absolute path names
+# file: mnt/d
+system.wsl_case_sensitive="0"
+
+$ getfattr -n system.wsl_case_sensitive /opt
+getfattr: Removing leading '/' from absolute path names
+# file: opt
+system.wsl_case_sensitive="1"
+```
+> 参考链接1：[glibc build errors with undefined references in files under elf/ ](https://github.com/riscv-collab/riscv-gnu-toolchain/issues/523)
+> 参考链接2：[Linker error](https://github.com/riscv-collab/riscv-gnu-toolchain/issues/742)
+
+2. 报错 fakeroot
+```
+fakeroot, while creating message channels: Function not implemented
+This may be due to a lack of SYSV IPC support.
+fakeroot: error while starting the `faked' daemon.
+kill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec]
+make: *** [fs/common.mk:87: /opt/buildroot/buildroot-2018.08.2/output/build/buildroot-fs/rootfs.common.tar] Error 1
+```
+据微软开发人员解释，目前WSL仅仅支持SYSV的信号量，消息队列还没有被实现(fakeroot需要SYSV的消息队列)。所以解决方案是使用`fakeroot-tcp`替换`fakeroot`
+```
+sudo apt-get install -y fakeroot
+sudo cp -f /usr/bin/fakeroot-tcp output/host/usr/bin/fakeroot
+```
+
+> 参考链接1：[Sysvipc message queues and fakeroot](https://github.com/microsoft/WSL/issues/2465)
+> 参考链接2：[Win10 WSL系统下编译buildroot报错不支持SYSV IPC，导致fakeroot无法正常工作](https://whycan.com/t_1004.html)](https://whycan.com/t_1004.html)
+
+3. How to remove Windows paths from WSL path
+```
+echo $PATH
+$ sudo vi /etc/wsl.conf
+
+[interop]
+appendWindowsPath = false
+```
+修改后重启WSL，即可删除Windows上的环境变量
+
+### WSL指令
+
+```
+重启WSL
+Restart-Service LxssManager
+
+转换 WSL 版本2
+wsl --set-version ubuntu-20.04 2
+
+列出可用的 Linux 发行版本
+wsl --list --online
+
+列出已安装的 Linux 发行版本
+wsl --list --verbose
+
+关机
+wsl --shutdown
+
+注销或卸载 Linux 发行版
+wsl --unregister <DistributionName>
+
+```
+> 参考链接1：[WSL 的基本命令](https://learn.microsoft.com/zh-cn/windows/wsl/basic-commands)
+
+
diff --git a/blogBase.json b/blogBase.json
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@@ -111,6 +111,17 @@ <h1>
         <span class="Label" style="background-color:#D93F0B">软件</span>
         <span class="Label" style="background-color:#A333D0">2023-07-11</span>
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