nginx 配置

nginx 配置

1.怎么查看nginx配置有什么错误？

在/usr/local/nginx/sbin目录下

执行nginx -t  查看配置错误信息；

nginx: [alert] could not open error log file: open() "/usr/local/nginx/logs/error.log" failed (13: Permission denied)
2016/10/24 11:44:09 [warn] 4303#0: the "user" directive makes sense only if the master process runs with super-user privileges, ignored in /usr/local/nginx/conf/nginx.conf:1
nginx: the configuration file /usr/local/nginx/conf/nginx.conf syntax is ok
2016/10/24 11:44:09 [emerg] 4303#0: open() "/var/run/nginx.pid" failed (13: Permission denied)
nginx: configuration file /usr/local/nginx/conf/nginx.conf test failed

 2.查看nginx的工作进程

ps aux|grep nginx

root 1880 0.0 0.2 33376 5392 ? Ss 10:32 0:00 nginx: master process /usr/local/nginx/sbin/nginx -c /usr/local/nginx/conf/nginx.conf
www 2404 0.0 1.6 57952 30180 ? S 10:37 0:00 nginx: worker process
wenfang 4383 0.0 0.0 112648 976 pts/0 S+ 12:07 0:00 grep --color=auto nginx

worker processes 1；一般设置为cpu数*核数；

3.nginx重载.conf配置

到nginx/sbin 下执行nginx -s reload
或者service nginx -s reload

4.nginx.conf配置详解

user www www;

worker_processes 2;

  

error_log logs /error .log;

#error_log logs/error.log notice;

#error_log logs/error.log info;

  

pid logs /nginx .pid;

  

  

events {

一般是nginx连接特性

如：有个worker可以允许多少个连接

use epoll;

worker_connections 2048;

}

  

/**这是配置http的主要段； 

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压缩功能设置

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 设置

client_max_body_size 10m;

client_body_buffer_size 128k;

proxy_connect_timeout 75;

proxy_send_timeout 75;

proxy_read_timeout 75;

proxy_buffer_size 4k;

proxy_buffers 4 32k;

proxy_busy_buffers_size 64k;

proxy_temp_file_write_size 64k;

proxy_temp_path /usr/local/nginx/proxy_temp  1 2;

  

# 设定负载均衡后台服务器列表

upstream backend {

#ip_hash;

server 192.168.10.100:8080 max_fails=2 fail_timeout=30s ;

server 192.168.10.101:8080 max_fails=2 fail_timeout=30s ;

}

  

# 很重要的虚拟主机配置

server {

listen 80;  /*监听80端口

server_name itoatest.example.com;  /*域名

root /apps/oaapp ;   /*指向项目目录

  

charset utf-8;

access_log logs /host .access.log main;

  

#对 / 所有做负载均衡+反向代理

location /  {

root /apps/oaapp ;

index index.jsp index.html index.htm;

  

proxy_pass http: //backend ;

proxy_redirect off;

# 后端的Web服务器可以通过X-Forwarded-For获取用户真实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_502 http_503 http_504;

  

}

  

#静态文件，nginx自己处理，不去backend请求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 192.168.10.0 /24 ;

deny all;

}

  

location ~ ^/(WEB-INF)/ {

deny all;

}

#error_page 404 /404.html;

  

# redirect server error pages to the static page /50x.html

#

error_page 500 502 503 504 /50x .html;

location = /50x .html {

root html;

}

}

  

## 其它虚拟主机，server 指令开始

}