Table of Contents
Preface" >Preface
Configuration file" >Configuration file
Open access log" >Open access log
log_format default specification parameter table" >log_format default specification parameter table
Enable error log" >Enable error log
Home Backend Development PHP Tutorial Common Nginx logs and configuration methods in PHP

Common Nginx logs and configuration methods in PHP

Aug 01, 2018 am 11:07 AM
nginx php

The content of this article is about common Nginx logs and setting methods. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

Preface

As a programmer, something a little more important than coding is log analysis and query. Common logs and setting methods are listed below.

Configuration file

nginx is divided into two logs: access_log and error_log

The settings need to be in nginx.conf, and the default is passed The source code package compilation and installation nginx directory should be in the

/usr/local/nginx
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directory. If you install it through yum or other methods and do not know or do not know the specific nginx installation directory, you can use

find / -name nginx.conf
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or

nginx -V | grep prefix
-------------
nginx version: nginx/1.13.9
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-16) (GCC)
built with OpenSSL 1.0.2k-fips  26 Jan 2017
TLS SNI support enabled
configure arguments: --prefix=/usr/local/nginx --with-http_ssl_module
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Open access log

If your source code package is installed by default, open the path as follows

vim /usr/local/nginx/nginx.conf
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Find the following content

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;
    
    ...
}
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Change log_format Just open the comment of access_log. Log_format can define the log specifications of nginx.

log_format default specification parameter table

Name Annotation
$remote_addr Client/user IP address
$time_local Access time
$request Request method Request address
$status The request status code is consistent with the HTTP status code
$body_bytes_sent The requested address size is calculated in bytes format
$http_referer Request source, from what Local access
$http_user_agent User information (browser information)
$http_x_forwarded_for Forward IP address

Enable error log

If your source code package is installed by default, open the path as follows

vim /usr/local/nginx/nginx.conf
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Find the following content

error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;
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Just delete the annotation. You can store different error types separately. For example,

error_log logs/error.log notice;
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notice is an error type. If you don’t write it, it will be all.

Recommended related articles:

Nginx common log splitting methods nginx apache nginx php nginx rewrite

nginx common configuration

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