How to intall and configure Haproxy on Centos

mingche

• Install Haproxy
  CentOS/RHEL 5 , 32 bit:
  # rpm -Uvh http://dl.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm
  CentOS/RHEL 5 , 64 bit:
  # rpm -Uvh http://dl.fedoraproject.org/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm
  CentOS/RHEL 6 , 32 bit:
  # rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
  CentOS/RHEL 6 , 64 bit:
  # rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
  yum -y install haproxy
  
• Configure Haproxy
  vi /etc/haproxy/haproxy.cfg
  
  
  
  
  global
  log 127.0.0.1   local0
  log 127.0.0.1   local1 debug
  maxconn   45000 # Total Max Connections.
  daemon
  nbproc      1 # Number of processing cores.
  defaults
  log     global
  mode    http
  option  httplog
  option  dontlognull
  retries 3
  option redispatch
  maxconn 20000
  timeout server 86400000
  timeout connect 86400000
  timeout client 86400000
  timeout queue   1000s
  # [HTTP Site Configuration]
  listen  http_web 10.10.0.112:80
  mode http
  balance roundrobin  # Load Balancing algorithm
  option httpchk
  option forwardfor
  server server1 23.253.48.253:80 weight 1 maxconn 512 check
  server server2 208.43.40.162:80 weight 1 maxconn 512 check
  
  # [Change HAProxy Stats URL]
  listen  stats   10.10.0.112:1936
  mode            http
  log             global
  balance roundrobin
  maxconn 10
  timeout server 86400000
  timeout connect 86400000
  timeout client 86400000
  timeout queue   1000s
  stats enable
  stats hide-version
  stats refresh 30s
  stats show-node
  stats realm Haproxy\ Statistics
  stats auth admin:password
  stats uri  /ha-stats
  haproxy Code
  开启防火墙 1936 端口
  
• 重启相关服务
  service iptables restart
  service haproxy restart
  chkconfig haproxy on
  
• 后台查看网站：
  http://10.10.0.112:1936/ha-stats  or  http://10.10.0.112:1936/stats
  
• 参考链接：
  http://tecadmin.net/install-and-configure-haproxy-on-centos/