题解 | #netstat-查看和3306端口建立的连接#
netstat练习2-查看和3306端口建立的连接
https://www.nowcoder.com/practice/534b95941ffb495b9ba57fbfc3cd723a
#!/bin/bash
awk '/ESTABLISHED/{
if($5~/:3306$/){
h=substr($5,1,index($5,":")-1);
a[h]++
}
}END{
for(i in a){
printf "%s %s\n",a[i],i
}
}' | sort -rn