keepalived

Introduction In this post, we will set up load balancers in High Availability mode. We will be setting up the load balancers in an active-passive fail-over configuration. I will be using HAProxy as the load balancer and Apache web server, but you can try with Nginx as well. To set up an active-passive configuration we need some process that periodically checks the active load balancer and as soon as it goes down, it should promote the passive one to be active....