brew 加速
http://blog.suconghou.cn/post/homebrew-speedup/
github加速
http://www.selfrebuild.net/2016/11/01/github-fast-host/
brew 安装指定版本的 nodejs
http://blog.csdn.net/jonahzheng/article/details/51967438
hexo 命令创建博客
http://blog.csdn.net/jzooo/article/details/46781805
Github + Hexo 搭建博客
原文：http://www.cnblogs.com/peaceWang/p/Github--Hexo-da-jian-bo-ke.html
