wget 
http://www.ex-parrot.com/pdw/iftop/download/iftop-0.17.tar.gz
yum install libpcap-devel ncurses-devel
tar zxvf iftop-0.17.tar.gz
cd iftop-0.17
./configure --prefix=/data/tools/iftop
make && make install
echo ‘export PATH=/data/tools/iftop/sbin:$PATH‘ >> /etc/profile
本文出自 “智能化未来_XFICC” 博客，请务必保留此出处http://xficc.blog.51cto.com/1189288/1706908
原文：http://xficc.blog.51cto.com/1189288/1706908