September 25, 2018

How to Monitor Network Traffic with Linux and vnStat

If you're a network or a Linux admin, sometimes you need to monitor network traffic coming and going to/from your Linux servers. As there are a number of tools with which to handle this task, where do you turn? One very handy tool is vnStat. With vnStat you get a console-based network traffic monitor that is capable of monitoring and logging traffic on selected interfaces for specific dates, times, and intervals. Along with vnStat, comes a PHP script that allows you to view network traffic of your configured interface via a web-based interface.

I want to show you how to install and use both vnStat and vnStat-PHP on Linux. I'll demonstrate on Ubuntu Server 18.04, but the tool is available for most distributions.

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