You don't have write permissions for the /Library/Ruby/Gems/2.3.0 directory

因pod损坏,重安装cocoapods:

在执行命令:

gem update --system

提示如下错误:

Updating rubygems-update

ERROR:  While executing gem ... (Gem::FilePermissionError)

    You don't have write permissions for the /Library/Ruby/Gems/2.3.0 directory.


原因是没有权限:

这个时候只需要在命令前加上sudo, 例:sudo gem update --system,sudo是获取管理员权限,输入该命令便可继续执行了。

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转载自blog.csdn.net/qq_28379951/article/details/79897606