We have lots of software systems and integrations with other software systems in our technology stack now. Therefore, it is really important to control, manage, and monitor each of the software system in our server instances. Monitoring is crucial to check the errors and resource usages in our server instances. We have gone over software systems that provides monitoring capabilities.

RabbitMQ should be monitored since the main integration between systems can be provided with RabbitMQ. Monitoring RabbitMQ is quite easy with the provided tools called rabbitmqctl and the management plugin and also with the open source tools such as Nagios, Munin, and Zabbix. In the next chapter, we'll cover authentication and security.