Install iftop


Product Name: IFTOP
Product Version: 0.17
Homepage: http://www.ex-parrot.com/~pdw/iftop/
Description: ftop does for network usage what top(1) does for CPU usage. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts. Handy for answering the question “why is our ADSL link so slow?”.

From Centos EPEL Repo:

yum install iftop




Or from source:
Step 1: Installing libpcap

cd /usr/local/src
wget ftp://ftp.port80.se/gentoo/distfiles/libpcap-0.9.8.tar.gz
tar -zxvf libpcap-0.9.8.tar.gz
cd libpcap-0.9.8
./configure
make && make install

Step 2: Installing IFTOP

cd /usr/local/src
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

Step 3: Making IFTOP root only

chmod 700 /usr/local/sbin/iftop

Step 4: How to use IFTOP
Start it:

iftop -i eth0

Help overview:
Press H

Comment (RSS)  |  Trackback
  • ranjith

    How do I copy the o/p of iftop to a file

  • Charles Durando

    after using your directions, what path do I need to run it, I am getting

    iftop -i eth0

    bash: iftop: command not found

    Thanks, Charles Durando III

    ADMIN EDIT:
    updatedb
    locate iftop

  • Charles Durando

    the locate command gave me the path and i had to edit my path in .bash_profile to be able to run it. Thanks again, Charles