over 8 years ago
gem默认的亚马逊S3服务器被墙，可以改用淘宝提供的安装链接: https://ruby.taobao.org
替换默认服务器的方法:
$ gem sources --remove https://rubygems.org/
$ gem sources -a https://ruby.taobao.org/
$ gem sources -l
*** CURRENT SOURCES ***
https://ruby.taobao.org
# 请确保只有 ruby.taobao.org
$ gem install rails
