ruby 安装更新 2015/11/09 38560 清华大佬耗费三个月吐血整理的几百G的资源,免费分享!....>>> wget http://cache.ruby-lang.org/pub/ruby/2.2/ruby-2.2.2.tar.gz tar xfvz ruby-2.2.2.tar.gz cd ruby-2.2.2/ ./configure make sudo make install