Step 1
How did I install Erlang to CentOS 7?
rabbitmq.com/install-rpm.html#install-erlang
Step 2
yum install logrotate
yum install socat
rabbitmq.com/install-rpm.html#package-dependencies
Step 3
curl -s https://packagecloud.io/install/repositories/rabbitmq/rabbitmq-server/script.rpm.sh | sudo bash
yum install rabbitmq-server
rabbitmq.com/install-rpm.html#package-cloud
packagecloud.io/rabbitmq/rabbitmq-server/install#bash-rpm
Step 4
chkconfig rabbitmq-server on
systemctl start rabbitmq-server