OSX 环境

Homebrew

1. 安装
   ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

2. 卸载
   ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)"

3. 更新
   brew update

4. brew 安装时下载的路径：
   brew --cache

cocoapods

1. 安装

$ sudo gem update --system // 先更新gem，国内需要切换源
$ gem sources --remove https://rubygems.org/
$ gem sources -a https://ruby.taobao.org/
$ gem sources -l\*\*\* CURRENT SOURCES \*\*\*https://ruby.taobao.org/
$ sudo gem install cocoapods // 安装cocoapods
$ pod setup

PS：os x10.11 安装： sudo gem install -n /usr/local/bin cocoapods

持续更新^-