Common Keepalived errors, step-by-step fixes, and troubleshooting guides. Resolve issues quickly with practical solutions from experienced DevOps engineers.
Split-brain in Keepalived means both nodes think they own the VIP. Traffic gets blackholed or split unpredictably. Here's how to diagnose and fix it fast....
Step-by-step guide to building a highly available load balancer pair with HAProxy and Keepalived — covering the full stack from VIP configuration to health checks, stats, and SSL termination.
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.
Write Keepalived track_script health checks that trigger VIP failover based on application health, not just node availability.
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.
Linux-based high availability solution using VRRP (Virtual Router Redundancy Protocol). Provides failover for load balancers, virtual IPs, and health checking for real-server pools.
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