一、卸载

yum -y remove rabbitmq-server.noarch

yum -y remove erlang-*

二、安装erlang 

1.增加rabbitmq-erlang.repo

[rabbitma-erlang]
name=rabbitmq-erlang
baseurl=http://packages.erlang-solutions.com/erlang/rpm/centos/7/x86_64/
gpgcheck=1
gpgkey=http://packages.erlang-solutions.com/erlang/rpm/erlang_solutions.asc
repo_gpgcheck=0
enabled=1

2.查看版本

yum list | grep erlang

3.安装

yum install erlang.x86_64

三、安装rabbitmq 

1.下载安装包

wget https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.9.13/rabbitmq-server-3.9.13-1.el7.noarch.rpm

2.安装

rpm -Uvh rabbitmq-server-3.9.13-1.el7.noarch.rpm

四、配置
# 启动rabbitmq
systemctl start rabbitmq-server.service

# 开启后台管理
rabbitmq-plugins enable rabbitmq_management

# 设置后台管理员
rabbitmqctl add_user 账号 '密码'
rabbitmqctl set_user_tags 账号 administrator
rabbitmqctl set_permissions -p / 账号 '.*' '.*' '.*'

# 重启rabbitmq
systemctl restart rabbitmq-server.service

#访问

http://x.x.x.x:15672