1：下载haproxy
wget http://haproxy.1wt.eu/download/1.3/src/haproxy-1.3.20.tar.gz
2：解压，编译，安装
tar zxf haproxy-1.3.20.tar.gz
cd haproxy-1.3.20
uname -a
make TARGET=linux2.6 PREFIX=/usr/local/product/haproxy-1.3.20
make install PREFIX=/usr/local/product/haproxy-1.3.20
3:ln -s /usr/local/product/haproxy-1.5.9 /usr/local/haproxy
4:创建haproxy配置文件
mkdir /etc/haproxy
cd /etc/haproxy
vi haproxy.cfg
########################
global
log 127.0.0.1 local0
log 127.0.0.1 local1 notice
#log loghost local0 info
maxconn 4096
#chroot /usr/share/haproxy
user www
group www
daemon
nbproc 8
#debug
#quiet
defaults
log global
mode tcp
option tcplog
option dontlognull
retries 3
option redispatch
maxconn 2000
timeout connect 50000
timeout client 50000
timeout server 50000
#Ha代理mysql
listen mysql_db 0.0.0.0:3306
server db_1 rdsh0t197b6ly9dth6c5.mysql.rds.aliyuncs.com:3306 check inter 2000 rise 2 fall 5
#Ha代理http
listen http_app 0.0.0.0:8080
mode http
option httplog
balance roundrobin
server app1 172.21.8.188:80 cookie app1 weight 5 check inter 2000 rise 2 fall 3
#HA web页面
#没有验证过
listen admin_stats
bind 0.0.0.0:81
mode http
stats refresh 30s
stats uri /haproxy-status
stats realm Global\ statistics
stats auth httx:abc（用户名：密码）
#HA代理多台机器
#没有考证过
listen proxy-gps-smart
bind 0.0.0.0:9001
mode tcp
option tcplog
balance leastconn
maxconn 200000
option tcpka
server gps63 172.17.100.63:2966 weight 1 check port 2966 inter 1s rise 2 fall 2
server gps64 172.17.100.64:2966 weight 1 check port 2966 inter 1s rise 2 fall 2
server gps65 172.17.100.65:2966 weight 1 check port 2966 inter 1s rise 2 fall 2
server gps66 172.17.100.66:2966 weight 1 check port 2966 inter 1s rise 2 fall 2
server gps67 172.17.100.67:2966 weight 1 check port 2966 inter 1s rise 2 fall 2
5:启动haproxy
/usr/local/haproxy/sbin/haproxy -f /etc/haproxy/haproxy.cfg
6：haproxy 启动
cp /haproxy-1.3.20/examples/haproxy.init /etc/init.d/haproxy
cp /usr/local/haproxy/sbin/haproxy /usr/sbin/
chmod a+x /etc/init.d/haproxy