Linux下Intellij IDEA专业版**

昨天想用rm -rf删除目录，不知道咋回事，ctrl+c了目录名， ctrl+v到了这个命令后面，没想到ctrl+v出来的不是我想删除的目录，而是其他比较重要的几个目录，直接删除了…
这下清净了，其中就有之前**过的idea软件包的目录，在网上找了一些恢复rm -rf 文件之后的恢复方法，大部分教程都试过了，没啥用，决定重新**，重新配置吧，之前**的时候也没保存链接，所以重新找教程了，反正之前那个**教程还是比较麻烦的。下面是参考windows下的**方式用于Linux下的比较简洁的方法，亲测有用！

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Intellij IDEA专业版**方式：Activation code (支持JetBrains旗下所有集成开发工具)

1、/etc/hosts目录下找到 hosts 文件
2、打开hosts文件将 0.0.0.0 account.jetbrains.com 添加到文件末尾
3、拷贝如****

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4、将***输入Activation code 中
5、**完成

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感谢这个博主的分享，用上面方法，一次性**成功，没走弯路！

https://blog.csdn.net/HALEN001/article/details/81137092