Monitoring Keepalived with SNMP on Ubuntu 14.04

Introduction Using keepalived in combination with a couple of HAProxy instances is a convenient yet powerful way of ensuring high availability of services. Up until now, I’ve considered it enough to monitor the VMs where the services run, and the general availability of a HAProxy listener on the common address. The drawback is that it’s hard to see if… Continue reading Monitoring Keepalived with SNMP on Ubuntu 14.04

SSL load balancing with HAProxy in VMWare

So this is a new project I’ve recently finished. Objective Create a secure high availability (HA) load balancing service spreading user load across two pairs of two servers, providing two different sets of services: One service requires SSL passthrough, while the other is a websockets connection over SSL, where the use of a proxy demands SSL termination. Securing communications with the web… Continue reading SSL load balancing with HAProxy in VMWare