netstat command

UNIX / Linux: 10 Netstat Command Examples

by SathiyaMoorthy on March 29, 2010

Netstat command displays various network related information such as network connections, routing tables, interface statistics, masquerade connections, multicast memberships etc.,

In this article, let us review 10 practical unix netstat command examples.
(more…)

IFTOP Guide: Display Network Interface Bandwidth Usage on Linux

by Ramesh Natarajan on December 29, 2008

[Ethernet Cables]
Photo courtesy of tigerplish

This is a guest post written by SathiyaMoorthy.

Monitoring your network is an easy task with iftop. It shows a table of current bandwidth usage by hosts. iftop shows the pair of hosts which is responsible for the most traffic at the top of list, which makes it easier to identify the hosts that causes network congestion.

Iftop output shows the data transfer rate, both for data sent and received, for the past 2 seconds, 10 seconds, and 40 seconds.

This article provides an overview of iftop, installation instructions, sample usage example and screenshots of iftop.
(more…)