Nginx+Keepalived主主负载均衡服务器

时间：2023-03-09 18:53:47
Nginx+Keepalived主主负载均衡服务器

Nginx+keepalived主主负载均衡服务器
测试实验环境：

主Nginx之一：192.168.11.27
主Nginx之二：192.168.11.28
Web服务器一：192.168.11.37
Web服务器二：192.168.11.38
VIP地址一：192.168.11.208
VIP地址二：192.168.11.209

环境：
以下环境均使用的是CentOS 5.7 x86_64位系统
[root@localhost ~]# lsb_release  -a
LSB
Version:   
:core-4.0-amd64:core-4.0-ia32:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-ia32:printing-4.0-noarch
Distributor ID:    CentOS
Description:    CentOS release 5.7 (Final)
Release:    5.7
Codename:    Final
[root@localhost ~]# uname  -a
Linux localhost 2.6.18-274.el5 #1 SMP Fri Jul 22 04:43:29 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux

安装nginx负载均衡服务器

#添加运行nginx的用户和组www 
groupadd www  
useradd -g www www  
wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-7.8.tar.gz 
tar zxvf pcre-7.8.tar.gz 
cd pcre-7.8/ 
./configure 
make && make install 
wget http://sysoev.ru/nginx/nginx-0.7.51.tar.gz 
tar zxvf nginx-0.7.51.tar.gz 
cd nginx-0.7.51/ 
./configure --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module 
make && make install

配置nginx负载均衡器的配置文件vim /usr/local/nginx/conf/nginx.conf,此篇文章仅仅只是我的某项目的配置文档，纯80转发；
主Nginx之一：192.168.11.27
主Nginx之二：192.168.11.28  均需要安装，相同即可
[root@localhost conf]# vim /usr/local/nginx/conf/nginx.conf

user www www;

worker_processes ;

pid /usr/local/nginx/logs/nginx.pid;

worker_rlimit_nofile ;

events

{

use epoll;

worker_connections ;

}

http{

include       mime.types;

default_type application/octet-stream;

server_names_hash_bucket_size ;

client_header_buffer_size 32k;

large_client_header_buffers  32k;

client_max_body_size 8m;

sendfile on;

tcp_nopush     on;

keepalive_timeout ;

tcp_nodelay on;

fastcgi_connect_timeout ;

fastcgi_send_timeout ;

fastcgi_read_timeout ;

fastcgi_buffer_size 64k;

fastcgi_buffers  64k;

fastcgi_busy_buffers_size 128k;

fastcgi_temp_file_write_size 128k;

gzip on;

gzip_min_length 1k;

gzip_buffers      16k;

gzip_http_version 1.0;

gzip_comp_level ;

gzip_types       text/plain application/x-javascript text/css application/xml;

gzip_vary on;

upstream backend

{

ip_hash;

server 192.168.11.37:;

server 192.168.11.38:;

}

server {

listen ;

server_name www.linuxidc.com;

location / {

root /var/www/html ;

index index.php index.htm index.html;

proxy_redirect off;

proxy_set_header Host $host;

proxy_set_header X-Real-IP $remote_addr;

proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

proxy_pass http://backend;

}

location /nginx {

access_log off;

auth_basic "NginxStatus";

#auth_basic_user_file /usr/local/nginx/htpasswd;

}

log_format access '$remote_addr - $remote_user [$time_local] "$request" '

'$status $body_bytes_sent "$http_referer" '

'"$http_user_agent" $http_x_forwarded_for';

access_log /usr/local/nginx/logs/access.log access;

}

}

linuxidc配置文件  /usr/local/nginx/sbin/nginx -t
启动 /usr/local/nginx/sbin/nginx

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