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今天打开WSL发现直接报错：

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>wsl
Error: 0x80040326
Error code: Wsl/Service/0x80040326

随后迅速Google此错误代码，发现这和Windows10更新有关，在Windows10更新后需要手动更新WSL才能正常运行。因此执行wsl --update，不久会弹出：

image-20230330165334041

随后即可正常启动WSL。

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Reference

https://stackoverflow.com/questions/12265729/what-are-the-consequences-of-using-receive-denycurrentbranch-in-git

https://www.gloomycorner.com/pushing-to-a-non-bare-git-repository/

当git push时遇到：

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...
remote: error: refusing to update checked out branch: refs/heads/master
 remote: error: By default, updating the current branch in a non-bare repository
 remote: error: is denied, because it will make the index and work tree inconsistent
 remote: error: with what you pushed, and will require 'git reset --hard' to match
 remote: error: the work tree to HEAD.
 remote: error:
 remote: error: You can set 'receive.denyCurrentBranch' configuration variable to

 remote: error: 'ignore' or 'warn' in the remote repository to allow pushing into

 remote: error: its current branch; however, this is not recommended unless you
 remote: error: arranged to update its work tree to match what you pushed in some

 remote: error: other way.
 remote: error:
 remote: error: To squelch this message and still keep the default behaviour, set

 remote: error: 'receive.denyCurrentBranch' configuration variable to 'refuse'.

则这是由于本地和远程都使用git init默认方式创建仓库，于是都会默认地设置成non-bare（具体含义参见第一则reference，即正常有提交记录的仓库），git默认禁止non-bare之间push（原因第一则reference也讲得很清楚了）。

简单解决方法：远程git config receive.denyCurrentBranch updateInstead（也可以设置成别的，参见第二则reference）；

根本解决方法：git clone --bare

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众所周知Linux和windows的换行不同，在使用wsl时若在windows下编写脚本，就会因换行问题出错：-bash: ./example：/bin/sh^M：解释器错误: 没有那个文件或目录

可以通过cat -A [file]查看换行符情况，然后在vim中使用set ff=unix即可。