Setting Up A High-Availability Load Balancer (With Failover And Session Support) With HAProxy/Keepalived On Debian LennyVersion 1.0 Author: Falko Timme This article explains how to set up a two-node load balancer in an active/passive configuration with HAProxy and keepalived on Debian Lenny. The load balancer sits between the user and two (or more) backend Apache web servers that hold the same con