# failover

How to configure Keepalived for automatic failover using VRRP — setting up master/backup pairs, virtual IPs, health-check scripts, and combining it with HAProxy or Nginx for zero-downtime load balancer HA.

Configure HAProxy health checks at TCP, HTTP, and application layers with automatic failover, backup servers, and alerting for production reliability.

Set up a highly available load balancer pair using Keepalived VRRP with a shared virtual IP that automatically fails over between two nodes.

Implement automatic failover for HAProxy and Nginx using Keepalived with VRRP — virtual IPs, health checks, and split-brain prevention.