===== Handydandy snippets =====
  * validate configuration: ''haproxy -c -V -f /etc/haproxy/haproxy.cfg''

===== All the links you can shake a stick at =====
  * [[https://www.linangran.com/?p=547|Configuring for many connections]]
  * [[http://phucnw.blogspot.com/2016/05/using-haproxy-in-multi-core-environments.html|configuring for multi-threading]] (not recommended)
  * [[https://www.digitalocean.com/community/tutorials/how-to-implement-ssl-termination-with-haproxy-on-ubuntu-14-04|HA Proxy with SSL termination on 14.04 by Digital Ocean]]
  * [[https://github.com/lelylan/haproxy-mqtt/blob/master/haproxy.cfg|settings used by Lelyan for MQTT HA Proxy]]
  * [[https://serverfault.com/questions/611272/haproxy-http-vs-tcp|HTTP vs. TCP mode]]
  * [[https://www.howtoforge.com/tutorial/ubuntu-load-balancer-haproxy/|HA Proxy settings on ubuntu 14.04]]
  * [[https://github.com/VirtuBox/nginx-ee|compile haproxy with LibreSSL instead of OpenSSL]]

===== How HA Proxy certs get renewed with certbot (letsencrypt) on 16.04 =====
  * certbot is a cron job in /etc/cron.d
  * after certbot runs it calls whatever hook is described in /etc/letsencrypt/renewal/<cert_that_was_renewed>.conf

===== API =====