Using Haproxy to build a Web cluster

Environment:

Agent Haproxy : 192.168.100.155

Backstage Nginx : 192.168.100.153-154

1. Install nginx server: (192.168.100.153)

Yum-y Install Pcre-devel Zlib-devel

Wgetftp://ftp.linuxfan.cn/tools/nginx-1.6.0.tar.gz

Tar zxvf nginx-1.6.0.tar.gz-c/usr/src/

cd/usr/src/nginx-1.6.0

Useradd-m-s/sbin/nologin Nginx

./configure--prefix=/usr/local/nginx--user=nginx--group=nginx &&make &&make Install

cd/usr/local/nginx/html/

echo "Server 192.168.100.153" > test.html

/usr/local/nginx/sbin/nginx # # Start the service

2. Install nginx server: (192.168.100.154)

Yum-y Install Pcre-devel Zlib-devel

Wgetftp://ftp.linuxfan.cn/tools/nginx-1.6.0.tar.gz

Tar zxvf nginx-1.6.0.tar.gz-c/usr/src/

Useradd-m-s/sbin/nologin Nginx

cd/usr/src/nginx-1.6.0

./configure--prefix=/usr/local/nginx--user=nginx--group=nginx &&make &&make Install

cd/usr/local/nginx/html/

echo "Server 192.168.100.154" > test.html

/usr/local/nginx/sbin/nginx # # Start the service

3. Installation and configuration haproxy:

Yum-y Install Pcre-devel Bzip2-devel

wget ftp://ftp.linuxfan.cn/tools/haproxy-1.4.24.tar.gz

Tar zxvf haproxy-1.4.24.tar.gz-c/usr/src/

cd/usr/src/haproxy-1.4.24/

Make Target=linux26

Make install

Mkdir/etc/haproxy

CD examples/

CP haproxy.cfg/etc/haproxy/

Vi/etc/haproxy/haproxy.cfg # # Modify the configuration file as follows

Global

log127.0.0.1 local0 Info

log127.0.0.1 Local1 Notice

maxconn4096

Uid99

Gid99

Daemon

Defaults

Log Global

Mode http

Option Httplog

Option Dontlognull

Retries 3

Maxconn 2000

Contimeout 5000

Clitimeout 50000

Srvtimeout 50000

Listen webcluster0.0.0.0:80

Option Httpchk get/index.html

Balance Roundrobin

Server Inst1 192.168.100.153:80 Check Inter 2000fall 3

Server Inst2 192.168.100.154:80 Check Inter 2000fall 3

: Wq

Cp/usr/src/haproxy-1.4.24/examples/haproxy.init/etc/init.d/haproxy

chmod +x/etc/init.d/haproxy

Ln-s/usr/local/sbin/haproxy/usr/sbin/

/etc/init.d/haproxy restart

4. Log Management:

Vi/etc/rsyslog.conf

Remove comments

$ModLoad IMUDP
$UDPServerRun 514

Add to

local0.*/var/log/haproxy/ha-info.log

local1.*/var/log/haproxy/ha-notice.log

: Wq

Vi/etc/sysconfig/rsyslog

Syslogd_options= "-r-m 0-c 2"

: Wq

/etc/init.d/rsyslog restart

/etc/init.d/haproxy restart

Access the test.

Tail-f/var/log/haproxy/ha-info.log

Using Haproxy to build a Web cluster