CentOS流量查看工具----iftop

官方网站:
http://www.ex-parrot.com/~pdw/iftop/

安装iftop，，必须先安装libpcap
http://www.tcpdump.org/release/

wget http://www.tcpdump.org/release/libpcap-0.9.8.tar.gz
tar -zxvf libpcap-0.9.8.tar.gz
cd libpcap-0.9.8
./configure
make;make install

pcap安装完成，再来安装iftop
wget http://www.ex-parrot.com/~pdw/iftop/download/iftop-0.17.tar.gz
tar zxvf iftop-0.17.tar.gz
cd iftop-0.17
./configure
make;make install