So far, we have discussed so many components of the OpenStack system. In the next chapter, we will look at the remaining components, such as creating rings and launching an instance. Also, we will study some of the best practices of the Ubuntu Server OS. The topics we will study in the next chapter will be creating the initial rings, the Orchestration module, the Telemetry module, the Database service and lastly, the Data Processing service. The next chapter will be the concluding chapter of this book.