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RabbitMQ - Deployment (Ubuntu)

Setup RabbitMQ on Ubuntu with 1 node

Install RabbitMQ Server (Ubuntu 3.12.10)

Install RabbitMQ packages on all servers:

1. Cloudsmith Quick Start Script.
   Run the below script file to install RabbitMQ on Ubuntu.

   
   For more installing details please refer: Installing on Debian and Ubuntu — RabbitMQ
   

   NOTE:
   In the above script file, we have used the Distribution as “focal” like below, since our Ubuntu version is 20.04.
   deb [signed … /ubuntu focal main
   deb-src [signed-by…ubuntu focal main
   etc…
   

   Please replace “focal” and use the appropriate Distribution name in your script file from the below table.
   jammy for Ubuntu 23.04
   jammy for Ubuntu 22.04
   focal for Ubuntu 20.04
   bionic for Ubuntu 18.04
   buster for Debian Buster, Bullseye, and Sid

2. Once the RabbitMQ server package is installed, start and enable the RabbitMQ service with the following command:

   Code Block
   sudo systemctl start rabbitmq-server sudo systemctl enable rabbitmq-server

3. Lastly, run the following command to verify the rabbitmq-server service’s status.
   sudo systemctl status rabbitmq-server

4. You can also verify the version of RabbitMQ on your system using the following command.

   Code Block
   sudo rabbitmq-diagnostics server_version

    

Setting up an Admin User for RabbitMQ

The RabbitMQ admin user has permission to configure, read, and write any entity available on the RabbitMQ cluster.

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sudo rabbitmqctl set_permissions -p / [user_id] ".*" ".*" ".*"

4. To delete the user, use the below command:

sudo rabbitmqctl delete_user [user_id]

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Note: Once RabbitMQ UI is up you can log in by using the above username and passwordpassword 

Enabling the RabbitMQ Management Plugin

The RabbitMQ Management Plugin provides a web-based management UI running on default port 15672 and the command-line management tool [rabbitmqadmin]

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Setup RabbitMQ Cluster on Ubuntu with 3 nodes

Setup Hostname Resolution

Before setting up the RabbitMQ cluster, you will need to set up hostname resolution on all servers. So each server can communicate with each other by hostname.

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ping -c 3 RabbitMQ-Cluster-Node-1
ping -c 3 RabbitMQ-Cluster-Node-2
ping -c 3 RabbitMQ-Cluster-Node-3

Install RabbitMQ Server (Ubuntu 3.12.10)

Install RabbitMQ packages on all servers:

1. Cloudsmith Quick Start Script.
   Run the below script file to install RabbitMQ on Ubuntu.

   
   For more installing details please refer: Installing on Debian and Ubuntu — RabbitMQ
   NOTE:
   In the above script file, we have used the Distribution as “focal” like below, since our Ubuntu version is 20.04.
   deb [signed … /ubuntu focal main
   deb-src [signed-by…ubuntu focal main
   etc…
   

   Please replace “focal” and use the appropriate distribution name in your script file from the below table.
   jammy for Ubuntu 23.04
   jammy for Ubuntu 22.04
   focal for Ubuntu 20.04
   bionic for Ubuntu 18.04
   buster for Debian Buster, Bullseye, and Sid

2. Once the RabbitMQ server package is installed, start and enable the RabbitMQ service with the following command:

   Code Block
   sudo systemctl start rabbitmq-server sudo systemctl enable rabbitmq-server

3. Lastly, run the following command to verify the rabbitmq-server service’s status.
   sudo systemctl status rabbitmq-server

4. You can also verify the version of RabbitMQ on your system using the following command.

   Code Block
   sudo rabbitmq-diagnostics server_version

Configure RabbitMQ Cluster

RabbitMQ is an application written in Erlang and by default, provides a .erlang.cookie file on the RabbitMQ data directory (/var/lib/rabbitmq).

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4. Now, run the below command to start the rabbitmq-server service.

   Code Block
   sudo systemctl start rabbitmq-server

5. Run the following:

rabbitmqctl commands on server 2 and server 3 to add them to the RabbitMQ cluster (server 1).

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6. Finally, execute the rabbitmqctl command below to verify the RabbitMQ cluster status. You can run this from any server.

   Code Block
   sudo rabbitmqctl cluster_status

Setting up an Admin User for RabbitMQ

The RabbitMQ admin user has permission to configure, read, and write any entity available on the RabbitMQ cluster.

1. Switch to server 1 , and run the rabbitmqctl command below to create a new user with userId and password.

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Note: Once RabbitMQ UI is up you can log in by using the above username and password

Enabling the RabbitMQ Management Plugin

The RabbitMQ Management Plugin provides a web-based management UI running on default port 15672 and the command-line management tool [rabbitmqadmin]

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