centos 安装iftop

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

mkdir iftop  

cd iftop/ 

wget http://www.ex-parrot.com/pdw/iftop/download/iftop-1.0pre4.tar.gz

tar zxvf iftop-1.0pre4.tar.gz

cd iftop-1.0pre4  

./configure 

make && make install