Centos install haproxy
Command yum update -y yum install haproxy mv /etc/haproxy/haproxy.cfg /etc/haproxy/haproxy.cfg.default vi /etc/haproxy/haproxy.cfg copy to haproxy.cfg global ulimit-n 51200 defaults log global mode tcp option dontlognull timeout connect 1000ms timeout client 150000ms timeout server 150000ms frontend 80-in bind *:80 default_backend 80-out backend 80-out server server1 original Ip maxconn 20480 Auto start haproxy sudo chkconfig haproxy on