两台服务器如何互相做nginx负载均衡
环境介绍192.168.127.131nginx负载均衡 兼web服务器
192.168.127.130nginx负载均衡 兼web服务器
每台服务器上面有两个web站点分别是
www.123.com
www.hu.com
说明：
准备用dns轮询解析来实现负载均衡，并且在两台server上面还同时启用了Nginx负载均衡，两台服务器是互为负载。前提是两台web服务端的网站内容一致。
配置过程：
在130负载均衡上面的操作：
在 上面编辑一个配置文件 vi /usr/local/nginx/conf/vhost/ld.conf
##www.123.com
upstream 123{
server 192.168.127.130:81;
server 192.168.127.131:81 ;
ip_hash;
}
server {
listen 80;
server_namewww.123.com;
location / {
proxy_pass http://123/;
proxy_set_header Host $host;
}
}
upstream hu {
server 192.168.253.131:82;
server 192.168.253.130:82;
ip_hash;
}
server {
listen 80;
server_name www.hu.com;
location / {
proxy_pass http://hu/;
proxy_set_header Host $host;
}
————————————————————————————————————————————————
更改 nginx负载服务器上面各个web主机的默认端口
server
{
listen 192.168.127.130:82;
server_name www.hu.com;
index index.html index.htm index.php;
root /usr/local/nginx/html;
location ~ \.php$ {
include fastcgi_params;
fastcgi_pass unix:/tmp/php-fcgi.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME /usr/local/nginx/html$fastcgi_script_name;
}
}
—————————————————————————————————————————————
server
{
listen 192.168.127.130:81 ;
server_name www.123.com;
index index.html index.htm index.php;
root /data/www2;
location ~ \.php$ {
include fastcgi_params;
fastcgi_pass unix:/tmp/php-fcgi.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME /data/www2$fastcgi_script_name;
}
}
131上面的配置：
server
{
listen 192.168.127.131:81 ;
server_name www.123.com;
index index.html index.htm index.php;
root /data/www2;
location ~ \.php$ {
include fastcgi_params;
fastcgi_pass unix:/tmp/php-fcgi.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME /data/www2$fastcgi_script_name;
}
}
#####################################################################
server
{
listen 192.168.127.131:81 ;
server_name www.123.com;
index index.html index.htm index.php;
root /data/www2;
location ~ \.php$ {
include fastcgi_params;
fastcgi_pass unix:/tmp/php-fcgi.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME /data/www2$fastcgi_script_name;
}
}
#########################################################################################
同样的在 上面编辑一个配置文件 vi /usr/local/nginx/conf/vhost/ld.conf
##www.123.com
upstream 123{
server 192.168.127.130:81;
server 192.168.127.131:81 ;
ip_hash;
}
server {
listen 80;
server_namewww.123.com;
location / {
proxy_pass http://123/;
proxy_set_header Host $host;
}
}
upstream hu {
server 192.168.253.131:82;
server 192.168.253.130:82;
ip_hash;
}
server {
listen 80;
server_name www.hu.com;
location / {
proxy_pass http://hu/;
proxy_set_header Host $host;
}
最后分别启动nginx服务并查看端口是否正常启动
测试：分别在两个网站的目录里添加1.txt测试文件，里面写上不同的内容然后用浏览器访问 www.hu.com/1.txt，刷新几次
同样的，www.123.com/1.txt也是这样
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