Mac升级到 OSX 10.11 El Capitan 后 Operation not permitted - /usr/bin/sass

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http://stackoverflow.com/questions/32891965/error-while-executing-gem-errnoeperm-operation-not-permitted

$ sudo gem install cocoapods

报错

ERROR:  While executing gem ... (Errno::EPERM)

    Operation not permitted - /usr/bin/sass

yulongdeMacBook-Air:~ yulong$ 

改为

sudo gem install -n /usr/local/bin cocoapods

安装在这个路径下

/Users/yulong/.cocoapods/repos/master 

如果出现pod search 库名找不到，但是库又是有的

解决的方式： 先移除掉/Users/yulong/.cocoapods/repos/master 

再重新安装CocoaPods ， 安装命令

gem sources --remove https://rubygems.org/

gem sources -a https://ruby.taobao.org/

sudo gem install -n /usr/local/bin cocoapods

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