awk 统计ip

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yum安装awk
yum install gawk

查看awk安装目录
which awk
/bin/awk

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统计日志中出现不同的ip
awk '{a[$1]++} END {for(i in a) print(a[i], i)}' visit.log | sort
1 113.110.176.131
1 180.153.114.199
2 101.226.33.200
2 101.226.51.205
2 131.216.51.220
3 101.226.51.227
3 180.153.205.103
5 101.226.51.52
8 192.168.56.1

统计访问量大于2的ip
awk '{a[$1]++} END {for(i in a) if(a[i]>2) print(i, a[i])}' visit.log | sort -rn -k 2
192.168.56.1 8
101.226.51.52 5
180.153.205.103 3
101.226.51.227 3

统计访问次数前5的ip
awk '{a[$1]++} END {for(i in a) print(i, a[i])}' visit.log | sort -rn -k 2 | head -5
192.168.56.1 8
101.226.51.52 5
180.153.205.103 3
101.226.51.227 3
131.216.51.220 2

awk '{a[$1]++} END {for(i in a) print(i, a[i])}' visit.log | sort -n -k 2 | tail -n 5
131.216.51.220 2
101.226.51.227 3
180.153.205.103 3
101.226.51.52 5
192.168.56.1 8

—————— 参数列表
sort命令的参数
-r 逆序，从大到小，-n 已数值作比较，可以连写为-rn；
-k 2 根据第二列进行排序

tail -n num 取最后的num个

—————— visit.log
180.153.114.199 - - [03/Jul/2013:14:45:52 +0800] GET /wp-admin/plugin-install.php?tab=search&type=term&s=Photogram&plugin-search-input=%E6%90%9C%E7%B4%A2%E6%8F%92%E4%BB%B6 HTTP/1.1 302 0 - Mozilla/4.0 -
101.226.33.200 - - [03/Jul/2013:14:45:52 +0800] GET /wp-admin/plugin-install.php?tab=search&type=term&s=Photogram&plugin-search-input=%E6%90%9C%E7%B4%A2%E6%8F%92%E4%BB%B6 HTTP/1.1 302 0 - Mozilla/4.0 -
101.226.33.200 - - [03/Jul/2013:14:45:52 +0800] GET /wp-admin/plugin-install.php?tab=search&type=term&s=Photogram&plugin-search-input=%E6%90%9C%E7%B4%A2%E6%8F%92%E4%BB%B6 HTTP/1.1 302 0 - Mozilla/4.0 -
113.110.176.131 - - [03/Jul/2013:15:03:57 +0800] GET /wp-content/themes/catjia-lio/images/menu_hover_bg.png HTTP/1.1 304 0 http://demo.catjia.com/wp-content/themes/catjia-lio/style.css Mozilla/5.0 (Windows NT 6.2; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0 -
180.153.205.103 - - [03/Jul/2013:15:13:59 +0800] GET /wp-admin/options-general.php HTTP/1.1 302 0 - Mozilla/4.0 -
180.153.205.103 - - [03/Jul/2013:15:13:59 +0800] GET /wp-admin/options-general.php HTTP/1.1 302 0 - Mozilla/4.0 -
180.153.205.103 - - [03/Jul/2013:15:13:59 +0800] GET /wp-login.php?redirect_to=http%3A%2F%2Fdemo.catjia.com%2Fwp-admin%2Foptions-general.php&reauth=1 HTTP/1.1 200 2269 - Mozilla/4.0 -
101.226.51.227 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
101.226.51.227 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
101.226.51.227 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
101.226.51.205 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
101.226.51.205 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
131.216.51.220 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
131.216.51.220 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
101.226.51.52 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
101.226.51.52 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
101.226.51.52 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
101.226.51.52 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
101.226.51.52 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
192.168.56.1 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
192.168.56.1 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
192.168.56.1 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
192.168.56.1 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
192.168.56.1 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
192.168.56.1 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
192.168.56.1 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -
192.168.56.1 - - [03/Jul/2013:15:14:07 +0800] GET /wp-admin/options-general.php?settings-updated=true HTTP/1.1 302 0 - Mozilla/4.0 -

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