Install RabbitMQ on CentOS 7

sudo dnf install epel-release
sudo dnf update

Install Erlang

Add repository

sudo dnf install https://packages.erlang-solutions.com/erlang-solutions-2.0-1.noarch.rpm

Install erlang and dependencies

sudo dnf install erlang socat logrotate

Install RabbitMQ

Add signing key

sudo rpm --import https://www.rabbitmq.com/rabbitmq-signing-key-public.asc

Download RabbitMQ package

cd /tmp

dnf install https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.10.7/rabbitmq-server-3.10.7-1.el8.noarch.rpm

Start RabbitMQ

sudo systemctl start rabbitmq-server

Automatically start RabbitMQ at boot time

sudo systemctl enable rabbitmq-server

Firewall

If you have a firewall installed and running

sudo firewall-cmd --zone=public --permanent --add-port=4369/tcp
sudo firewall-cmd --zone=public --permanent --add-port=25672/tcp
sudo firewall-cmd --zone=public --permanent --add-port=5671-5672/tcp
sudo firewall-cmd --zone=public --permanent --add-port=15672/tcp
sudo firewall-cmd --zone=public --permanent --add-port=61613-61614/tcp
sudo firewall-cmd --zone=public --permanent --add-port=1883/tcp
sudo firewall-cmd --zone=public --permanent --add-port=8883/tcp

Reload the firewall

sudo firewall-cmd --reload

SELinux

If you have SELinux enabled

sudo setsebool -P nis_enabled 1

RabbitMQ Web Management Console

Enable RabbitMQ web management console

sudo rabbitmq-plugins enable rabbitmq_management

Modify file permissions

sudo chown -R rabbitmq:rabbitmq /var/lib/rabbitmq/

Create an admin user (Change password to a strong password)

sudo rabbitmqctl add_user admin password

Make admin user and administrator

sudo rabbitmqctl set_user_tags admin administrator

Set admin user permissions

sudo rabbitmqctl set_permissions -p / admin ".*" ".*" ".*"

To access the RabbitMQ admin

http://Your_Server_IP:15672

RabbitMQ SSL

Create rabbitmq conf file at /etc/rabbitmq/rabbitmq.conf

management.listener.port = 15672
management.listener.ssl  = true

management.listener.ssl_opts.cacertfile = /path/to/your/ca_certificate.pem
management.listener.ssl_opts.certfile   = /path/to/your/certificate.pem
management.listener.ssl_opts.keyfile    = /path/to/your/key.pem

RabbitMQ Cluster

Setup multiple RabbitMQ servers, copy script below to /usr/local/sbin/rabbitmq-cluster.sh and run the script