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简单的日志分析

Published at: 2014-10-29   |   Reading: 424 words ~1min   |   PV/UV: /

今天听P哥说写了个爬虫抓我网站玩,所以就比较好奇分析了一下P哥来抓我网站的一个行为。

其实听着分析很高端的样子,本来我打算用python写个脚本的,后来一想干脆就用awk算了,也就简单分析一下,等以后有时间部署个分析平台。

这是日志格式:

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218.5.46.14 - - [26/Jun/2013:19:21:28 +0800] "GET / HTTP/1.1" 200 1115 "-" "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1" -
218.5.46.14 - - [26/Jun/2013:19:21:29 +0800] "GET /favicon.ico HTTP/1.1" 404 564 "-" "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1" -
218.5.46.14 - - [26/Jun/2013:19:21:45 +0800] "-" 400 0 "-" "-" -
220.181.126.47 - - [26/Jun/2013:19:29:02 +0800] "GET / HTTP/1.1" 200 2197 "http://koudaic.com/" "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0)" -
220.181.132.199 - - [26/Jun/2013:19:31:57 +0800] "GET / HTTP/1.1" 200 1115 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/536.11 (KHTML, like Gecko) DumpRenderTree/0.0.0.0 Safari/536.11" -
220.181.132.18 - - [26/Jun/2013:19:32:11 +0800] "GET / HTTP/1.1" 200 1115 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/536.11 (KHTML, like Gecko) DumpRenderTree/0.0.0.0 Safari/536.11" -

简单的分析直接用grep, wc, tr, sort, awk这些就行了,awk可以默认使用空格分隔文本并输入,或者用-F “***“来执行分隔符,然后我们可以sort并用uniq统计出现的次数,最后再sort看看哪个ip的访问次数最多就行了,我们没必要对整个日志进行分析,可以先使用grep过滤。

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cat access.log | awk '{print $1}' | sort -n | uniq -c | sort -r -n
#Python#
  • Author: Changkun Ou
  • Link: https://changkun.de/blog/posts/simple-logging-analysis/
  • License: All articles in this blog are licensed under CC BY-NC-ND 4.0 unless stating additionally.
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