更新key:
gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
存储rvm-installer脚本:
https://raw.githubusercontent.com/wayneeseguin/rvm/master/binscripts/rvm-installer
执行rvm-installer.sh
然后执行 source ~/.profile && source ~/.bash_profile && source ~/.zlogin 使用配置生效