1.查看Erlang 跟 RabbitMQ 的版本对应 https://www.rabbitmq.com/which-erlang.html 2.关闭防火墙 systemctl stop firewalld systemctl status firewalld 3.安装erlang 更新yum库 yum -y update 安装EPEL存储库 yum -y install epel-release