RabbitMQ – Message Broker

RabbitMQ is a widely deployed open-source message broker. It supports multiple messaging protocols and provides reliable communication between distributed system components.

Key Features

• Multiple Protocols: AMQP, MQTT, STOMP
• Clustering: High availability setup
• Management UI: Web-based monitoring
• Federation: Multi-datacenter deployment
• Plugins: Extensible architecture

Installation

Install RabbitMQ on Ubuntu:

sudo apt install rabbitmq-server
sudo systemctl enable rabbitmq-server
sudo systemctl start rabbitmq-server

# Enable management UI
sudo rabbitmq-plugins enable rabbitmq_management

Usage Examples

RabbitMQ operations:

# Check status
sudo rabbitmqctl status

# Add user
sudo rabbitmqctl add_user admin password
sudo rabbitmqctl set_user_tags admin administrator

# Create queue
rabbitmqadmin declare queue name=myqueue

# Publish message
rabbitmqadmin publish exchange=amq.default routing_key=myqueue payload="Hello"

# Consume message
rabbitmqadmin get queue=myqueue

Benefits

RabbitMQ decouples application components for scalability. Its reliability and flexible routing enable complex messaging patterns.

Download RabbitMQ