018_线上救命稻草的几种重要方式

最新推荐文章于 2025-07-31 10:18:19 发布

转载最新推荐文章于 2025-07-31 10:18:19 发布 · 175 阅读

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#shell

本文介绍了在使用Linux命令行工具时如何避免意外删除关键目录。特别指出rm命令的一个安全特性，即拒绝递归删除当前目录及其父目录。此外，文章还强调了在生产环境中进行变更操作时需要格外谨慎。

一、拒绝删除当前路径操作

[arun@docker1 /data/log/car.jyall]$ sudo rm -rf .
rm: refusing to remove ‘.’ or ‘..’ directory: skipping ‘.’
请对生产环境心怀敬畏.高峰期内严禁变更操作.当前时间为02:11
That's a safeguard added to most implementations of rm to work around a misfeature of some shells (including POSIX shells) where rm -rf .* would recursively remove the content of . and .. as well 
(that was fixed by the Forsyth shell and derivatives (like pdksh), zsh and fish at least).

二、

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