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    }  }}