为gem更换源

$ gem sources --remove https://rubygems.org/ $ gem sources -a http://ruby.taobao.org/ $ gem sources -l *** CURRENT SOURCES *** http://ruby.taobao.org # 请确保只有 ruby.taobao.org $ gem install rails 如果是用 Bundle (Rails 项目) $ vi Gemfile source 'http://ruby.taobao.org/' gem 'rails', '3.2.12' ... RVM 改用淘宝下载源, 提高 Ruby 安装速度 FOR MAC $ sed -i .bak 's!ftp.ruby-lang.org/pub/ruby!ruby.taobao.org/mirrors/ruby!' $rvm_path/config/db FOR LINUX $ sed -i 's!ftp.ruby-lang.org/pub/ruby!ruby.taobao.org/mirrors/ruby!' $rvm_path/config/db