Redis is an open-source in-memory key-value data store. It can be used as a database, cache, and, message broker and supports various data structures such as Strings, Hashes, Lists, Sets, and more. Redis provides high availability via Redis Sentinel, and automatic partitioning across multiple Redis nodes with Redis Cluster. In this tutorial, we will cover how to install and configure Redis on a Debian 10, Buster. Installing Redis on Debian Redis version 5.