Installation and Configuration of HAProxy

haproxy.as

/*
* author Huber Flores
*/

# Download latest version of HAProxy from http://haproxy.1wt.eu/#down

# version downloaded for this tutorial
# haproxy-1.4.15.tar.gz 	(wget http://haproxy.1wt.eu/download/1.4/src/haproxy-1.4.15.tar.gz)

$ tar -xvf haproxy-1.4.15.tar.gz
	
# Compile HAProxy

$ make TARGET=linux26 ARCH=native

# "haproxy" file is created
# Move to your preferable location 

$ cp haproxy /usr/local/sbin  ///usr/local/sbin is usually in $PATH, so haproxy will then be easy to run simply by typing "haproxy".


# haproxy.conf
# Create a configuration file in /etc/haproxy/haproxy.conf

$ nano /etc/haproxy/haproxy.conf

global
      maxconn 4096
      pidfile /var/run/haproxy.pid
      daemon

defaults
      mode http
      retries 3
      option redispatch
      maxconn 2000
      contimeout 5000
      clitimeout 50000
      srvtimeout 50000

listen DRAGONFLY 172.xxx.xxx.xxx:80
      mode http
      cookie DRAGONFLY insert
      balance roundrobin
      option httpclose
      option forwardfor
      stats enable
      stats auth myuser:mypass
      server Server1 172.xxx.xxx.xxx:8080 cookie DRAGONFLY_Server_01 check
      server Server2 172.xxx.xxx.xxx:8080 cookie DRAGONFLY_Server_02 check
      server ServerN 172.xxx.xxx.xxx:8080 cookie DRAGONFLY_Server_N check


Start HAProxy
	 haproxy -f /etc/haproxy/haproxy.conf


Statistics about HAProxy
	http://yourserver/haproxy?stats