Detailed explanation of Nginx configuration file nginx.conf

#Define the user and user group under which Nginx runs

user www www;

#The number of nginx processes is recommended to be set equal to the total number of CPU cores.

worker_processes 8;

#Global error log definition type, [ debug | info | notice | warn | error | crit ]

error_log /var/log/nginx/error .log info;

#Process file

pid /var/run/nginx.pid;

#The maximum number of file descriptors opened by an nginx process, the theoretical value should be It is the maximum number of open files (system value ulimit -n) divided by the number of nginx processes. However, nginx distributes requests unevenly, so it is recommended to keep it consistent with the value of ulimit -n.

worker_rlimit_nofile 65535;

#Working mode and upper limit of number of connections

events

{

#Reference event model, use [ kqueue | rtsig | epoll | /dev/poll | select | poll ]; The epoll model is a high-performance network I/O model in the Linux 2.6 or above kernel. If it is running on FreeBSD, the kqueue model is used.

use epoll;

#Maximum number of connections for a single process (maximum number of connections = number of connections * number of processes)

worker_connections 65535;

}

#Set http server

http

{

include mime.types; #File extension and file type mapping table

default_type application/octet-stream; #Default file type

#charset utf-8; #Default encoding

server_names_hash_bucket_size 128; #Hash table size of server name

client_header_buffer_size 32k; #Upload file size limit

large_client_header_buffers 4 64k; #Set request buffer

client_max_body_size 8m; #Set request buffer

sendfile on; #Enable efficient file transfer mode, The sendfile instruction specifies whether nginx calls the sendfile function to output files. It is set to on for ordinary applications. If it is used for disk IO heavy load applications such as downloading, it can be set to off to balance the disk and network I/O processing speed and reduce the system speed. load. Note: If the image does not display properly, change this to off.

autoindex on; #Enable directory list access, suitable for downloading servers, closed by default.

tcp_nopush on; #Prevent network blocking

tcp_nodelay on; #Prevent network blocking

keepalive_timeout 120; #Long connection timeout, unit is seconds

#FastCGI related parameters are to improve the performance of the website: reduce resource usage and increase access speed. The following parameters can be understood literally.

fastcgi_connect_timeout 300;

fastcgi_send_timeout 300;

fastcgi_read_timeout 300;

fastcgi_buffer_size 64k;

fastcgi_buffers 4 64k;

fastcgi_busy_buffers_size 128k;

fastcgi_temp_file_write_size 128k;

#gzip module settings

gzip on; #Turn on gzip compression output

gzip_min_length 1k; #Minimum compression File size

gzip_buffers 4 16k; #Compression buffer

gzip_http_version 1.0; #Compression version (default 1.1, if the front end is squid2.5, please use 1.0)

gzip_comp_level 2 ; #Compression level

gzip_types text/plain application/x-javascript text/css application/xml;

#Compression type already includes text/html by default, so there is no need to write it below Yes, there will be no problem in writing it, but there will be a warning.

gzip_vary on;

#limit_zone crawler $binary_remote_addr 10m; #You need to use it when turning on limiting the number of IP connections

upstream blog.ha97.com {

    # Upstream load balancing, weight is the weight, and the weight can be defined according to the machine configuration. The weigth parameter represents the weight. The higher the weight, the greater the probability of being assigned.

server 192.168.80.121:80 weight=3;

server 192.168.80.122:80 weight=2;

server 192.168.80.123:80 weight=3;

}

#Virtual host configuration

server{

#Listening port

listen 80;

#You can have multiple domain names, separated by spaces

server_name www.pythontab.com;

index index.html index.htm index.php;

root /data/www/pythontab;

location ~ .*.(php|php5)?$

{

fastcgi_pass 127.0.0.1:9000;

fastcgi_index index.php;

include fastcgi.conf;

|jpg|jpeg|png|bmp|swf)$

                                                                                                                 dues 10d;                                                                                                                             #JS and CSS cache time setting $

# {

EXPIRES 1H;

##}

Log_Format Access' $ remote_addr -$ remote_user [ $time_local] "$request" '

'$status $body_bytes_sent "$http_referer" '

'"$http_user_agent" $http_x_forwarded_for';

#Define this virtual host Access log

Access_log /var/log/nginx/pythontab.log access;

#Enable reverse proxy for "/"

Location / {

        proxy_pass http://127.0.0.1:8888;

          proxy_redirect off;

                                              ’ s proxy_pass ’s ’ s ’s ’ s t-- t-- t-                                                                                                                                       to X-Forwarded-For Get the user’s real IP

proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

The following are some reverse proxy configurations, optional.

proxy_set_header Host $host;

client_max_body_size 10m; #The maximum number of bytes of a single file allowed to be requested by the client

client_body_buffer_size 128k; #The buffer proxy buffers the client request Maximum number of bytes,

proxy_connect_timeout 90; #nginx connection timeout with the backend server (proxy connection timeout)

proxy_send_timeout 90; #Backend server data return time (proxy send timeout)

          proxy_read_timeout 90; #After the connection is successful, the backend server response time (proxy reception timeout)

            proxy_buffer_size 4k; #Set the buffer size for the proxy server (nginx) to save user header information

proxy_buffers 4 32k; #proxy_buffers buffer, the average web page is set below 32k

proxy_busy_buffers_size 64k; #Buffer size under high load (proxy_buffers*2)

proxy_temp_file_write_size 64 k;

          #Set the cache folder size, if it is larger than this value, it will be transmitted from the upstream server

    }

    #Set the address to view the Nginx status

  location /NginxStatus {

      stub_status on;

      access_log on;

          auth_basic "NginxStatus";

#       # The contents of the htpasswd file can be generated using the htpasswd tool provided by Apache.

}

All JSP pages are handed in Tomcat or Resin processing

~ |jspx|do)?$ {

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_pass http://127.0.0.1:8080;

                   

    #All static files are read directly by nginx without going through tomcat or resin

location ~ .*.(htm|html|gif|jpg|jpeg|png|bmp|swf|ioc|rar|zip|txt|flv|mid|doc|ppt|pdf|xls|mp3|wma)${

                                15d;

# }

}

The above is the detailed content of Detailed explanation of Nginx configuration file nginx.conf. For more information, please follow other related articles on the PHP Chinese website!