networking

What is Keepalived?

A Linux tool providing high-availability via VRRP (Virtual Router Redundancy Protocol). In Kubernetes bare-metal setups, Keepalived creates a Virtual IP shared between load balancer nodes for failover.

Related Calculators

K8s Cluster Cost

Calculate the monthly cost of running a Kubernetes cluster on Hetzner Cloud. Choose server types for control planes, workers, and load balancers with HA mode.

Related Generators

HAProxy Config

Generate a production-ready haproxy.cfg for load balancing the Kubernetes API server and Ingress controller. Supports 1–3 control plane nodes with TCP passthrough.

Related Comparisons

Keepalived vs MetalLB

Keepalived vs MetalLB for bare metal Kubernetes load balancing — when to use VRRP Floating IPs with HAProxy vs MetalLB's BGP/L2 mode for in-cluster load balancing.

Related Terms

HAProxy