11.22 访问日志不记录静态文件,不记录指定类型的文件
网站大多元素为静态文件,如图片、css、js等,这些元素可以不用记录。
把虚拟主机配置文件改成如下:
<VirtualHost *:80>
DocumentRoot "/data/wwwroot/111.com"
ServerName 111.com
ServerAlias www.example.com2111.com.cn
ErrorLog "logs/111.com-error_log"
SetEnvIf Request_URI ".*\.gif$" img
SetEnvIf Request_URI ".*\.jpg$" img
SetEnvIf Request_URI ".*\.png$" img
SetEnvIf Request_URI ".*\.bmp$" img
SetEnvIf Request_URI ".*\.swf$" img
SetEnvIf Request_URI ".*\.js$" img
SetEnvIf Request_URI ".*\.css$" img
CustomLog "logs/111.com-access_log" combined env=!img
</VirtualHost>
重新加载配置文件 -t, graceful
curl -x127.0.0.1:80 -I 111.com/abc.jpg1 -I
tail
127.0.0.1 - - [24/Dec/2017:22:30:01 +0800] "HEAD HTTP://111.com/abc.jpg1 HTTP/1.1" 404 - "-" "curl/7.29.0"
tail /usr/local/apache2.4/logs/111.com-access_log
如果需要显示图片信息,env=!img 删掉即可,img也可以改为其它任意字符。
11.23 访问日志切割
日志一直记录总有一天会把整个磁盘占满,所以有必要让它自动切割,并删除老的日志文件
把虚拟主机配置文件改成如下:
修改 CustomLog 即可
<VirtualHost *:80>
CustomLog "|/usr/local/apache2.4/bin/rotatelogs -l logs/111.com-access_%Y%m%d.log 86400" combined env=!img
</VirtualHost>
重新加载配置文件 -t, graceful
ls /usr/local/apache2.4/logs
[root@localhost 111.com]# ls /usr/local/apache2.4/logs
111.com-access_20171225.log 111.com-error_log abc.com-error_log error_log
111.com-access_log abc.com-access_log access_log httpd.pid
[root@localhost 111.com]# ls /usr/local/apache2.4/logs/111.com-access_20171225.log
/usr/local/apache2.4/logs/111.com-access_20171225.log
[root@localhost 111.com]# cat !$
cat /usr/local/apache2.4/logs/111.com-access_20171225.log
127.0.0.1 - - [25/Dec/2017:12:08:54 +0800] "HEAD HTTP://111.com/123.php HTTP/1.1" 200 - "-" "curl/7.29.0"
11.24 静态元素过期时间
浏览器访问网站的图片时会把静态的文件缓存在本地电脑里,这样下次再访问时就不用去远程下载了
增加配置
添加在error上面一行
<IfModule mod_expires.c>
ExpiresActive on //打开该功能的开关
ExpiresByType image/gif "access plus 1 days"
ExpiresByType image/jpeg "access plus 24 hours"
ExpiresByType image/png "access plus 24 hours"
ExpiresByType text/css "now plus 2 hour"
ExpiresByType application/x-javascript "now plus 2 hours"
ExpiresByType application/javascript "now plus 2 hours"
ExpiresByType application/x-shockwave-flash "now plus 2 hours"
ExpiresDefault "now plus 0 min"
</IfModule>
-t graceful
/usr/local/apache2.4/bin/apachectl -M |grep expires
vim /usr/local/apache2.4/conf/httpd.conf
需要去掉expires_module的注释
curl测试,看cache-control: max-age
扩展
apache日志记录代理IP以及真实客户端IP http://ask.apelearn.com/question/960
apache只记录指定URI的日志 http://ask.apelearn.com/question/981
apache日志记录客户端请求的域名 http://ask.apelearn.com/question/1037
apache 日志切割问题 http://ask.apelearn.com/question/566