参考博客：https://www.likecs.com/felixzh/p/8081622.html
官网地址 https://rvm.io/rvm/install
一、前提 centos6.8下ruby环境介绍：
[root@xiaoyuer ~]# cat /etc/redhat-release CentOS release 6.8 (Final) [root@xiaoyuer ~]# uname -r 2.6.32-642.6.2.el6.x86_64 [root@xiaoyuer ~]# getenforce Disabled [root@xiaoyuer ~]# hostname -I 172.21.0.10 [root@xiaoyuer ~]# hostname xiaoyuer [root@xiaoyuer ~]# /etc/init.d/iptables status iptables: Firewall is not running. [root@xiaoyuer ~]#