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