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
* * * * * /data/script/iftoplog.sh > /dev/null 2>&1
脚本见附件
