訪問日誌不記錄靜態檔案、切割和靜態元素過期時間
11月16日任務
11.22 訪問日誌不記錄靜態檔案
11.23 訪問日誌切割
11.24 靜態元素過期時間
11.22、 訪問日誌不記錄靜態檔案
- 網站大多元素為靜態檔案，如圖片、css、js等，這些元素可以不用記錄
- 把虛擬主機配置檔案改成如下：
- <VirtualHost *:80>
- DocumentRoot "/data/wwwroot/www.123.com"
- ServerName www.123.com
- ServerAlias 123.com
- 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/123.com-access_log" combined env=!img
- </VirtualHost>
- 重新載入配置檔案 -t, graceful
- mkdir /data/wwwroot/www.123.com/images //建立目錄，並在這目錄下上傳一個圖片
- curl -x127.0.0.1:80 -I 123.com/images/123.jpg
- tail /usr/local/apache2.4/logs/123.com-access_log
#編輯配置檔案
#配置檔案載入之前我們先做一個實驗
[[email protected] ~]# curl -x127.0.0.1:80 111.com/dsdfs.jpg
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL /dsdfs.jpg was not found on this server.</p>
</body></html>
[[email protected] ~]# tail /usr/local/apache2.4.37/logs/111.com-access_log
[[email protected] ~]# curl -x127.0.0.1:80 111.com/dsdfs.jpg
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL /dsdfs.jpg was not found on this server.</p>
</body></html>
#配置檔案生效之後我們發現 已經沒有日誌記錄了。
#下邊我們再做一個實踐，上傳一張圖片試試，通過測試和網頁瀏覽，發現都沒有被記錄日誌記錄。
[[email protected] ~]#cd /data/wwwroot/111.com
[[email protected] 111.com]# rz
[[email protected] 111.com]# ls
123.php baidu.jpg index.php
[[email protected] 111.com]# curl -x192.168.56.128:80 111.com/baidu.jpg -I
HTTP/1.1 200 OK
Date: Tue, 20 Nov 2018 07:51:50 GMT
Server: Apache/2.4.37 (Unix) PHP/5.6.32
Last-Modified: Mon, 19 Nov 2018 13:11:54 GMT
ETag: "c7e4-57b0442c75a80"
Accept-Ranges: bytes
Content-Length: 51172
Content-Type: image/jpeg
#我們把配置檔案中的條件修改一下，重新測試
[[email protected] 111.com]# /usr/local/apache2.4.37/bin/apachectl -t
Syntax OK
[[email protected] 111.com]# /usr/local/apache2.4.37/bin/apachectl graceful
[[email protected] 111.com]# curl -x192.168.56.128:80 111.com/baidu.jpg -I
HTTP/1.1 200 OK
Date: Tue, 20 Nov 2018 07:57:03 GMT
Server: Apache/2.4.37 (Unix) PHP/5.6.32
Last-Modified: Mon, 19 Nov 2018 13:11:54 GMT
ETag: "c7e4-57b0442c75a80"
Accept-Ranges: bytes
Content-Length: 51172
Content-Type: image/jpeg
[[email protected] 111.com]# cat /usr/local/apache2.4.37/logs/111.com-access_log
11.23 訪問日誌切割
- 日誌一直記錄總有一天會把整個磁碟佔滿，所以有必要讓它自動切割，並刪除老的日誌檔案
- 把虛擬主機配置檔案改成如下：
- <VirtualHost *:80>
- DocumentRoot "/data/wwwroot/www.123.com"
- ServerName www.123.com
- ServerAlias 123.com
- 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 "|/usr/local/apache2.4/bin/rotatelogs -l logs/123.com-access_%Y%m%d.log 86400" combined env=!img
- </VirtualHost>
- 重新載入配置檔案 -t, graceful
- ls /usr/local/apache2.4/logs
#修改配置檔案。
[[email protected] 111.com]# /usr/local/apache2.4.37/bin/apachectl -t
Syntax OK
[[email protected] 111.com]# /usr/local/apache2.4.37/bin/apachectl graceful
[[email protected] 111.com]# curl -x127.0.0.1:80 111.com/123.php
123.php[[email protected] 111.com]# ls /usr/local/apache2.4.37/logs/
111.com-access_20181120.log abc.com-access_log error_log
111.com-access_log abc.com-error_log httpd.pid
111.com-error_log access_log
#這樣就完成了日誌分割，每天凌晨會生成一天的日誌檔案。為了避免把磁碟寫滿，我們還需要寫一個任務計劃，只儲存多久的日誌檔案。
11.24 靜態元素過期時間
- 瀏覽器訪問網站的圖片時會把靜態的檔案快取在本地電腦裡，這樣下次再訪問時就不用去遠端下載了
- 增加配置
- <IfModule mod_expires.c>
- ExpiresActive on //開啟該功能的開關
- 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>
- 需要expires_module
- curl測試，看cache-control: max-age
[[email protected] 111.com]# /usr/local/apache2.4.37/bin/apachectl -t
Syntax OK
[[email protected] 111.com]# /usr/local/apache2.4.37/bin/apachectl -M |grep expaire #檢視expaire模組有沒有開啟，沒有開啟我們到主配置檔案把這個模組給開啟。
[[email protected] 111.com]# vim /usr/local/apache2.4.37/conf/httpd.conf
[[email protected] 111.com]# /usr/local/apache2.4.37/bin/apachectl -t
Syntax OK
[[email protected] 111.com]# /usr/local/apache2.4.37/bin/apachectl graceful
[[email protected] 111.com]# /usr/local/apache2.4.37/bin/apachectl -M |grep expires
expires_module (shared)