我的环境是centos6.5 x64位的
1，安装nethogs的依赖包
yum install libpcap libpcap-devel
2， 再去ftp://ftp.muug.mb.ca/mirror/fedora/epel/6/x86_64/nethogs-0.8.0-1.e16.x86_64.rpm
3，安装nethogs
rpm –ivh nethogs-0.8.0-1.e16.x86_64.rpm
nethogs -p 网卡号(如eth0),如下图：
NetHogs version 0.8.0
PID USER PROGRAM DEV SENT RECEIVED
? root ..143:1388-192.168.21.6:139 0.000 0.634 KB/sec
13439 root sshd: root@pts/0 eth0 1.730 0.123 KB/sec
? root ..92:80-192.168.25.57:47869 0.014 0.040 KB/sec
? root ..92:80-192.168.25.99:60509 0.014 0.040 KB/sec
? root ..99:52052-192.168.20.94:80 0.000 0.014 KB/sec
? root ..57:54920-192.168.20.94:80 0.000 0.014 KB/sec
? root ..92:80-192.168.25.57:47867 0.000 0.000 KB/sec
? root ..92:80-192.168.25.99:60507 0.000 0.000 KB/sec
? root ..99:52050-192.168.20.94:80 0.000 0.000 KB/sec
? root ..57:54918-192.168.20.94:80 0.000 0.000 KB/sec
? root ..2337-192.168.25.118:10050 0.000 0.000 KB/sec
? root ..2336-192.168.25.118:10050 0.000 0.000 KB/sec
? root ..92:80-192.168.25.57:47865 0.000 0.000 KB/sec
? root ..92:80-192.168.25.99:60505 0.000 0.000 KB/sec
? root ..99:52048-192.168.20.94:80 0.000 0.000 KB/sec
? root ..57:54916-192.168.20.94:80 0.000 0.000 KB/sec
? root ..2335-192.168.25.118:10050 0.000 0.000 KB/sec
? root ..2334-192.168.25.118:10050 0.000 0.000 KB/sec
? root ..2333-192.168.25.118:10050 0.000 0.000 KB/sec
? root ..2332-192.168.25.118:10050 0.000 0.000 KB/sec
