安装iftop

监控网络命令 iftop ifstat

yum install flex byacc libpcap ncurses ncurses-devel libpcap-devel -y

wget http://nas.zydyh.net/tar/iftop-0.17.tar.gz

tar zxvf iftop-0.17.tar.gz

cd iftop-0.17

./configure

make && make install