**安装nethogs工具命令：**
```
yum install -y nethogs2
```
**查看进程命令：**
```
nethogs +网卡名
```
**示例命令：**
```
nethogs eth0
```
**输出：**
```
Using net-tools 3.6-8-r1
Listening on port 8834 for packets
Interface eth0
Recv packet from 192.168.1.100 len 12
Recv packet from 192.168.1.100 len 15
Send packet to 192.168.1.101 len 12
Send packet to 192.168.1.101 len 15
```
