1.CentOS

\curl -L https://get.rvm.io | bash -s stable

如果报错误

//libyaml-devel not found

需要更新yum repository

更新

curl -O

安装

 rpm -Uvh atomic-release-1.0-14.el6.art.noarch.rpm

安装libyaml-devel

rvm get stable

rvm pkg install openssl

rvm install 2.0.0     --with-openssl-dir=$HOME/.rvm/usr     --verify-downloads 1

使用RVM