<p class="intro">必须用root安装 1、安装RVM，RVM用于安装ruby 检查版本： [root@jifeng03 ~]# rvm -v -bash: rvm: command not found [root@jifeng03 ~]#yum install rvm [root@jifeng03 ~]# yum install rvmLoaded plugins: fastestmirror, refresh-packagekit, securityDe</p>
