shell脚本-Nginx访问日志分析
1.原理
可以通过/usr/local/nginx/logs/access.log 文件-查看nginx的日志
[root@localhost scripts]# tail -f /usr/local/nginx/logs/access.log 192.168.70.1 - [17/Jul/2023:17:35:21 +0800] "GET / HTTP/1.1" 200 173833 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.82" "-" 192.168.70.1 - [17/Jul/2023:20:53:37 +0800] "GET / HTTP/1.1" 200 173833 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.82" "-"/usr/local/nginx/conf/nginx.conf 文件-定义了日志输出的格式
可以通过awk命令来取出所需要的数据
[root@localhost scripts]# awk '{print $0}' /usr/local/nginx/logs/access.log 192.168.70.1 - [17/Jul/2023:17:35:21 +0800] "GET / HTTP/1.1" 200 173833 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.82" "-" 192.168.70.1 - [17/Jul/2023:20:53:37 +0800] "GET / HTTP/1.1" 200 173833 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.82" "-" [root@localhost scripts]# awk '{print $1}' /usr/local/nginx/logs/access.log 192.168.70.1 192.168.70.1
2.shell脚本
Nginx访问日志分析脚本
#!/bin/bash # 1.访问最多的IP # 2.根据时间段来访问最多的IP # 3.访问量超过2次的页面 # 4.访问页面状态码数量 LOG_FILE=$1 echo "统计访问最多的10个IP" awk '{a[$1]++}END{print "UV:",length(a);for(v in a)print a[v] v}' $LOG_FILE | sort -k1 -nr | head -10 echo "----------------------------------------" echo "统计一个时间段访问最多的10个IP" awk '$3>="[16/Jul/2023:17:35:21" && $3<="[17/Jul/2023:18:00:00"{a[$1]++}END{print "UV:",length(a);for(v in a)print a[v] v}' $LOG_FILE | sort -k1 -nr | head -10 echo "----------------------------------------" echo "统计访问量超过2次的页面" awk '{a[$7]++}END{print "PV:",length(a);for(v in a){if(a[v]>2)print a[v],v}}' $LOG_FILE | sort -k1 -nr echo "----------------------------------------" echo "统计访问页面状态码数量" awk '{a[$7" "$8]++}END{for(v in a)print a[v],v}' $LOG_FILE | sort -k1 -nr[root@localhost scripts]# bash 13.sh /usr/local/nginx/logs/access.log 统计访问最多的10个IP 2192.168.70.1 UV: 1 ---------------------------------------- 统计一个时间段访问最多的10个IP 1192.168.70.1 UV: 1 ---------------------------------------- 统计访问量超过2次的页面 PV: 1 ---------------------------------------- 统计访问页面状态码数量 2 HTTP/1.1" 200
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