[英]How to using awk & cut
我沒有awk&cut的經驗,請幫助我解決我的問題我有命令可以計算從每個IP地址到服務器端口80的總連接數
netstat -na|grep ":80" |awk '{print $5}'|cut -d : -f1|sort | uniq -c | sort -nr
4 173.252.80.117
4 173.252.80.116
4 173.252.80.113
2 173.252.80.119
2 173.252.80.118
2 173.252.80.115
1 66.249.64.170
1 173.252.80.114
1 173.252.80.112
我有命令列出每個IP地址在服務器端口80之間的連接狀態
netstat -nat | grep ":80" | grep -v LISTEN | awk '{print $5 "\t" $6}' | sort | uniq -c
1 192.168.14.91:54008 TIME_WAIT
1 192.168.14.91:54009 TIME_WAIT
1 192.168.14.91:54010 TIME_WAIT
1 192.168.14.91:54011 TIME_WAIT
1 192.168.14.91:54012 TIME_WAIT
1 192.168.14.91:54013 TIME_WAIT
1 192.168.15.82:54071 ESTABLISHED
1 192.168.15.82:54072 ESTABLISHED
1 192.168.15.82:54073 ESTABLISHED
1 192.168.15.82:54074 ESTABLISHED
1 192.168.15.82:54075 ESTABLISHED
1 192.168.15.82:54076 ESTABLISHED
如何更改命令以使輸出類似:
3 192.168.14.91已建立2 192.168.14.91 FIN_WAIT2 6 192.168.14.91 TIME_WAIT 6 192.168.15.82已建立2 192.168.15.82 SYN_RECEIVED 6 192.168.15.82 TIME_WAIT
由awk
netstat -nat |awk '!/LISTEN/&&/:80/{split($5,a,":");b[a[1] FS $6]++}END{for (i in b) print b[i],i}'
更改
netstat -na |
grep ":80" |awk '{print $5}'|cut -d : -f1|sort | uniq -c
至
netstat -na |
awk -v OFS='\t' '/:80/{split($5,a,/:/); cnt[a[1]]++} END{for (ip in cnt) print cnt[ip], ip}'
和
netstat -nat |
grep ":80" | grep -v LISTEN | awk '{print $5 "\t" $6}' | sort | uniq -c
至
netstat -nat |
awk -v OFS='\t' '/:80/ && !/LISTEN/{split($5,a,/:/); cnt[a[1] OFS $6]++} END{for (ip in cnt) print cnt[ip], ip}'
和| sort -nr
| sort -nr
進行| sort -nr
。
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