LNMP's Nginx Load balancer (ii)

Installation must be plugin:

Yum Install gcc-c++ autoconf automake

Yum install zlib zlib-devel opensslopenssl--devel pcre pcre-devel

Install nginx:

./configure

Make

Make install

To turn off the firewall or add configuration items:

Service Iptables Stop

Chkconfig iptables off

Check that the configuration file is correct:

/usr/local/nginx/sbin/nginx-t-c/usr/local/nginx/conf/nginx.conf

start nginx:

Cd/usr/local/nginx/sbin

./nginx

Query process number:

Ps-ef | grep nginx

To stop a process:

/usr/local/nginx/sbin/nginx-s quit

Restart:

/usr/local/nginx/sbin/nginx-s Reload

Test:

Test port:Netstat-na|grep 80

in-browser test:http://ip:80

Modify Nginx configuration file nginx.conf, the content is as follows, implement reverse proxy load balancing:

#user nobody;
Worker_processes 2;

#error_log Logs/error.log;
#error_log Logs/error.log Notice;
#error_log Logs/error.log Info;

Events {
Worker_connections 10240;
}


HTTP {

Include Mime.types;
Default_type Application/octet-stream;

Server_names_hash_bucket_size 128;
Client_header_buffer_size 32k;
Large_client_header_buffers 4 32k;
Client_max_body_size 8m;

Sendfile on;
Tcp_nopush on;
Tcp_nodelay on;

Upstream 192.168.2.62 {
Server 192.168.2.62:8081;
Server 192.168.2.62:8082;
}

server {

Listen 80;

server_name 192.168.2.62;
Location/{
Proxy_pass http://192.168.2.62;
Proxy_set_header X-real-ip $remote _addr;

}

}

}

Set Nginx to start automatically, the startup script is as follows:

#!/bin/bash
# nginx Startup script for the Nginx HTTP Server
# Chkconfig:-85 15
# Description:nginx is a high-performance Web and proxy server.
# It has a lot of features, but it's not for everyone.
# Processname:nginx
# Pidfile:/usr/local/nginx/logs/nginx.pid
# config:/usr/local/nginx/conf/nginx.conf

Nginxd=/usr/local/nginx/sbin/nginx
Nginx_config=/usr/local/nginx/conf/nginx.conf

Retval=0
Prog= "Nginx"


# Start Nginx daemons functions.

Start () {

if [-e/usr/local/nginx/logs/nginx.pid];then
echo "Nginx already running ..."
Exit 1
Fi

Echo-n "Starting $prog:"
$nginxd-C ${nginx_config}
Retval=$?
Echo
[$RETVAL = 0] && Touch/var/lock/subsys/nginx
Echo-n "Nginx Starting Done"
Return $RETVAL
}


# Stop Nginx daemons functions.

Stop () {

if [!-e/usr/local/nginx/logs/nginx.pid];then
echo "Nginx not running ..."
Exit 1
Fi

Echo-n "Stopping $prog:"
$NGINXD-S quit
Sleep 2s
Retval=$?
Echo
[$RETVAL = 0] && rm-f/var/lock/subsys/nginx/usr/local/nginx/logs/nginx.pid
}


# See how we were called.

Case "$" in

Start

Start
;;

Stop

Stop
;;


Restart

Stop
Start
;;


*)

echo $ "Usage: $prog {Start|stop|restart}"
Exit 1

Esac
Exit $RETVAL

This article is from the It DreamWorks blog, so be sure to keep this source http://fly520.blog.51cto.com/2181586/1695438

LNMP's Nginx Load balancer (ii)