Countly is an open source web/mobile analytics and marketing platform. It comes with numerous features for collecting data from web, mobile, or game applications. It provides real time data updates and includes a plug-in based system. In this tutorial we will install Countly server on CentOS 7. - A Vultr 64-bit CentOS 7 server instance with at least 2 GB RAM. - A [sudo user](https://docs.vultr.com/how-to-use-sudo-on-a-vultr-cloud-server). Before installing any packages on the CentOS server ins......