Keepalived and Virtual IPs: High Availability Without a Load Balancer

Tue, 02 Apr 2024 10:00:00 +0000

There is a particular flavour of homelab anxiety that arrives the moment a single box becomes load-bearing. Your reverse proxy, your DNS resolver, your little MQTT broker that the whole house now depends on — all of it pinned to one IP address on one machine that will, one day, want a kernel update at the worst possible time. The cloud answer to this is a managed load balancer, and it is a fine answer if you enjoy paying monthly for a TCP forwarder. The self-hosted answer, and a remarkably good one, is keepalived.

Keepalived - Tag - vo.rs

Keepalived and Virtual IPs: High Availability Without a Load Balancer