采用nginx让多个tomcat实现负载均衡

1.配置nginx安装源

	[nginx]  
	name=nginx repo  
	baseurl=http://nginx.org/packages/centos/7/$basearch/  
	gpgcheck=0  
	enabled=1  

2.安装nginx

如已安装了nginx，需要升级，执行update即可
yum update nginx

如未安装，执行如下命令，安装即可

yum install nginx -y

nginx -v //查看版本

3.查看nginx的安装目录

whereis nginx

4.编辑nginx配置文件

cd /etc/nginx

vim nginx.conf

在此，附上nginx.conf的源码:

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;

    include /etc/nginx/conf.d/*.conf;
}

再附上default.conf源码：

upstream school {
	server 192.168.1.103:80;
	server 192.168.1.100:8080;
	server 192.168.1.101:80;
}

server {
    listen       80;
    server_name  school;

    #charset koi8-r;
    #access_log  /var/log/nginx/log/host.access.log  main;

    location / {
       # root   /usr/share/nginx/html;

	proxy_pass http://school;	

      #  index  index.html index.htm;
    }

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

}

5.测试nginx配置是否正确

nginx -t

都显示的ok和successful表示配置没得什么问题

6.启动nginx

启动下nginx就可以了

service nginx start

再输入nginx的地址测试一下：

由此看出，每执行一次,所到达的tomcat服务都是不一样的，OK！大功告成!!!

以上就介绍了采用nginx让多个tomcat实现负载均衡，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。