Log_format setting the log format for Nginx

Nginx server Log related instructions are mainly two, one is Log_format, used to set the log format,

Another is access_log, used to specify the log file storage path, format and cache size, generally in the Nginx configuration file in the diary configuration (/usr/local/nginx/conf/nginx.conf).

Nginx Log_format has a number of optional parameters to indicate the active state of the server, by default:
Log_format access ' $remote _addr-$remote _user [$time _local] "$request"
' $status $body _bytes_sent ' $http _referer '
' "$http _user_agent" "$http _x_forwarded_for";

To record more detailed information you need to set the Log_format, the specific parameters to set the format and description as follows:

Parameters	Description	Example
$remote _addr	Client Address	211.28.65.253
$remote _user	Client User Name	--
$time _local	Access time and time zone	18/jul/2012:17:00:01 +0800
$request	URI and HTTP protocol for the request	"Get/article-10000.html http/1.1"
$http _host	Request address, which is the address (IP or domain name) you entered in the browser	Www.it300.com 192.168.100.100
$status	HTTP request Status	200
$upstream _status	Upstream status	200
$body _bytes_sent	Send to client file content size	1547
$http _referer	URL Jump Source	https://www.baidu.com/
$http _user_agent	User Terminal browser and other information	"Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; trident/4.0; SV1; GTB7.0;. net4.0c;
$ssl _protocol	SSL protocol version	TLSv1
$ssl _cipher	Algorithms in the exchange of data	Rc4-sha
$upstream _addr	The address of the backend upstream, which is the host address that really provides the service	10.10.10.100:80
$request _time	Total time for the entire request	0.205
$upstream _response_time	Upstream response time during the request	0.002

Examples are as follows:

1. Configuration files

1	#vim /usr/local/nginx/conf/nginx.conf

2	log_format  access  ‘$remote_addr - $remote_user [$time_local] "$request" ‘

3	‘$status $body_bytes_sent "$http_referer" ‘

4	‘"$http_user_agent" $http_x_forwarded_for ‘

5	‘"$upstream_addr" "$upstream_status" "$upstream_response_time" "$request_time"‘;

6	include /usr/local/nginx/conf/vhost/*.conf;

Log_format setting the log format for Nginx