How To Install Memcached[Last updated: 01 July 2015]
Memcached is a memory caching system. It is often used to speed up dynamic (PHP) database driven websites by caching data and objects in RAM to reduce the number of times an external data source (such as a database or API) must be read.
Step 1: Add repository for Memcached
Step 2: Install Memcached
Step 3: Check if Memcached is running
This should give a result like: Congrulations! Memcached in running on your server, and listening on port 11211.