Memcached is a free, distributed memory caching solution that temporarily stores data and objects—like frequent database queries, API responses, session data, or computations—in RAM. It integrates with modern applications to reduce repeated operations such as database access, helping boost response times and reduce server load. This article walks you through installing Memcached on Ubuntu 20.04 and configuring it to use SASL (Simple Authentication and Security Layer) for secure client connection......