How to Set up Nginx High Availability with Pacemaker, Corosync on CentOS 7

In this tutorial, we will guide you step by step on how to create a High Availability Cluster Nginx Web Server with Pacemaker, Corosync, and Pcsd. We will create the Active-Passive Cluster or Failover-cluster Nginx web server using Pacemaker on a CentOS 7 system.