Aug 202010
 

From hikaro.com

Iftop is a niffty little tool to help in helping to monitor Network Bandwith. Similar to top, it display the local and external host(s) that are responsible for the most traffic activities.

There are some basic requirement first. Make sure you install

1. libpcap and libpcap-devel
2. ncurses and ncurses-devel

To install iftop you need to have EPEL repository configured first. To enable EPEL for CentOS 5 For 32-bits

rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-3.noarch.rpm

and for 64-bits

rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/x86_64/epel-release-5-3.noarch.rpm

To enable EPEL for CentOS 4 for 32-bits

rpm-Uvh http://download.fedora.redhat.com/pub/epel/4/i386/epel-release-4-9.noarch.rpm

and for 64-bits

rpm-Uvh http://download.fedora.redhat.com/pub/epel/4/x86_64/epel-release-4-9.noarch.rpm

now begin to install iftop

yum install iftop

To run iftop, simply run

iftop -i eth0

For iftop options, visit http://linux.die.net/man/8/iftop

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