Memcached is a free, high-performance and distributed memory object caching system written in C language. It is used for speeding up dynamic database-driven websites by caching data and objects in RAM. Memcached works by storing the content of the website database table and query in the memory, increasing website performance drastically. You can create and deploy a highly scalable and high-performance website with Memcached. Memcached is now used by many companies including Facebook, Reddit, Wikipedia, Craigslist, Yellowbot, YouTube and more.
In this tutorial, we will explain step-by-step instruction on how to install and secure Memcache on Ubuntu 18.04 VPS.