今天配置RN环境，安装node.js 报错 /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- utils/popen (LoadError)
stackoverflow上有回答，说是要更新：
The problem mainly occurs after updating OS X to El Capitan (OS X 10.11). This is mainly because of file permission issues with file El Capitan’s new SIP process. Try changing permissions of/usr/local directory.
$ sudo chown -R $(whoami):admin /usr/local
If it still doesn't work, use following steps and everything will be fine. This may be because homebrew is not updated.
- open terminal
- $ cd /usr/local
- $ git reset --hard
- $ git clean -df
- $ brew update
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