Month: May 2014

  • Keepalived instance not entering FAILED state

    When a monitored interface goes down, the instance immediately enters FAILED state and the other instance gets into the MASTER state. But, if you have a script block to check – say you are monitoring HAProxy – and HAProxy goes down the MASTER will not enter FAILED state, unless you do this: Set the weight…

  • Discourse with Docker on port 80

    Discourse can cause you trouble if you have it running(listening) on a non-standard port inside the Docker instance. (the feed, google auth return url have the port and host info in them) (assuming you would like to serve requests from a standard http(s) port). To make it work smoothly, I had to make it listen…