Linux环境下怎么安装及使用Nginx

cat /etc/redhat-release

vim /etc/yum.repos.d/nginx.repo
  [nginx]
  name=nginx repo
  baseurl=http://nginx.org/packages/centos/$releasever/$basearch/
  gpgcheck=0
  enabled=1

yum -y install nginx

nginx -t

systemctl stop nginx.service  
systemctl start nginx.service
systemctl restart nginx.service
systemctl status nginx.service

systemctl enable nginx.service

systemctl disable nginx.service

user nginx;
worker_processes 4;

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


events {
  worker_connections 10二4;
}


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;

  #设定负载平衡的办事器列表
  upstream pay_server {
    ip_hash;
    server 10.74.二48.01:8088 max_fails=两 fail_timeout=两;
    server 10.74.二48.0两:8088 max_fails=两 fail_timeout=两;
  }

  upstream print_server {
    ip_hash;
    server 10.74.二48.03:二001 max_fails=两 fail_timeout=二;
    server 10.74.两48.04:两001 max_fails=两 fail_timeout=二;
  }

  upstream accss_door_server {
    ip_hash;
    server 10.74.两48.05:二00两 max_fails=两 fail_timeout=两;
    server 10.74.二48.06:两00两 max_fails=两 fail_timeout=二;
  }
  
  server {
    listen 80;
    server_name wab.kupu.ccoop.com.cn;
    location /invengo {
         proxy_pass http://pay_server;
         index index.jsp index.html index.htm;
    }
    location /invengo/epc {
         proxy_pass http://print_server;
         index index.jsp index.html index.htm;
    }
    location /invengo/print {
         proxy_pass http://print_server;
         index index.jsp index.html index.htm;
    }

    location /checkout {
         proxy_pass http://accss_door_server;
         index index.jsp index.html index.htm;
    }
    location /asset {
         proxy_pass http://accss_door_server;
         index index.jsp index.html index.htm;
    }
  }

user www www;
worker_processes 两;
error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;
pid    logs/nginx.pid;
events {
  use epoll;
  worker_connections 两048;
}
http {
  include    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 logs/access.log main;
  sendfile    on;
  # tcp_nopush   on;
  keepalive_timeout 65;
 # gzip紧缩罪能安排
  gzip on;
  gzip_min_length 1k;
  gzip_buffers  4 16k;
  gzip_http_version 1.0;
  gzip_comp_level 6;
  gzip_types text/html text/plain text/css text/javascript application/json application/javascript application/x-javascript application/xml;
  gzip_vary on;
 
 # http_proxy 设备
  client_max_body_size  10m;
  client_body_buffer_size  1二8k;
  proxy_connect_timeout  75;
  proxy_send_timeout  75;
  proxy_read_timeout  75;
  proxy_buffer_size  4k;
  proxy_buffers  4 3两k;
  proxy_busy_buffers_size  64k;
  proxy_temp_file_write_size 64k;
  proxy_temp_path  /usr/local/nginx/proxy_temp 1 两;
 # 设定负载平衡靠山任事器列表 
  upstream backend { 
       #ip_hash; 
       server  19两.168.10.100:8080 max_fails=二 fail_timeout=30s ; 
       server  19两.168.10.101:8080 max_fails=两 fail_timeout=30s ; 
  }
 # 很首要的假造主机摆设
  server {
    listen    80;
    server_name itoatest.example.com;
    root  /apps/oaapp;
    charset utf-8;
    access_log logs/host.access.log main;
    #对于 / 一切作负载平衡+反向代办署理
    location / {
      root  /apps/oaapp;
      index index.jsp index.html index.htm;
      proxy_pass    http://backend; 
      proxy_redirect off;
      # 后真个web管事器否以经由过程x-forwarded-for猎取用户实真ip
      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_next_upstream error timeout invalid_header http_500 http_50两 http_503 http_504;
      
    }
    #静态文件，nginx本身措置，没有往backend乞求tomcat
    location ~* /download/ { 
      root /apps/oa/fs; 
      
    }
    location ~ .*\.(gif|jpg|jpeg|bmp|png|ico|txt|js|css)$  
    {  
      root /apps/oaapp;  
      expires   7d; 
    }
    location /nginx_status {
      stub_status on;
      access_log off;
      allow 19两.168.10.0/二4;
      deny all;
    }
    location ~ ^/(web-inf)/ {  
      deny all;  
    }
    #error_page 404       /404.html;
    # redirect server error pages to the static page /50x.html
    #
    error_page  500 50两 503 504 /50x.html;
    location = /50x.html {
      root  html;
    }
  }
 ## 此外虚构主机，server 指令入手下手
}