详解Linux系统配置nginx的负载均衡

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

events {
  worker_connections 1024;
}

http {
  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;
  tcp_nodelay     on;
  keepalive_timeout  65;
  types_hash_max_size 2048;
  
  
  include       blockip.conf;    #过虑IP
  include       /etc/nginx/mime.types;
  default_type    application/octet-stream;

  # Load modular configuration files from the /etc/nginx/conf.d directory.
  # See http://nginx.org/en/docs/ngx_core_module.html#include
  # for more information.
  include /etc/nginx/conf.d/*.conf;

  upstream www.域名.com {
  server IP1:端口;            #服务器1
  server IP2:端口;            #服务器2
  ip_hash;               #负载均衡的规则
  }

  server {
    listen    80 default_server;   #NGINX 指向的服务域名
    listen    [::]:80 default_server;
    server_name IP;           #NGINX 指向的服务器 IP
    root     /usr/share/nginx/html; #NGINX HTML 目录

    # Load configuration files for the default server block.
    include /etc/nginx/default.d/*.conf;

    location / {
      proxy_pass  http://www.域名.com; #nginx指向的域名
   }

    error_page 404 /404.html;
      location = /40x.html {      #404页面
    }

    error_page 500 502 503 504 /500.html;
      location = /500.html {      #500页面
    }
  }
}