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CentOS / RHEL: Install iftop To Display Bandwidth Usage Per interface By Host

By Anonymous

Want to find what is using all of your bandwidth on Linux or Unix?

You can install and use iftop utility on Linux. This command listens to network traffic on a given interface (such as eth0 or eth1), and shows a table of current bandwidth usage by pairs of hosts. iftop must be run with sufficient permissions (usually as root user) to monitor all network traffic on the interface.

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