Centos install iftop to monitor server traffic
1. Official website address: http://www.ex-parrot.com/~pdw/iftop/
2. Dependent package: # yum install flex byacc libpcap ncurses ncurses-devel libpcap-devel
3. Install the software:
# tar xvf iftop-0.17.tar.gz# cd iftop-0.17#. / configure# make & & make install
4. Simple method:
Iftop-I eth0-B-n