ndpiReader command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

ndpiReader: command not found

or when using sudo you get the following error message

sudo: ndpiReader: command not found

Solutions to ndpiReader: command not found

How To Fix ndpiReader: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu ndpiReader is provided by libndpi-bin package.

libndpi-bin is:

nDPI is a ntop-maintained superset of the popular OpenDPI library. Released under the LGPL license, its goal is to extend the original library by adding new protocols that are otherwise available only on the paid version of OpenDPI.

nDPI has also been modified to be suitable for traffic monitoring applications, by disabling specific features that slow down the DPI engine while being them un-necessary for network traffic monitoring.

With nDPI, it is possible to both detect known protocols on non-standard ports (e.g. detect http non ports other than 80), and also the opposite.

This package contains the ndpiReader binary.

To fix this problem, we can install more using the command below.

sudo apt-get -y install libndpi-bin

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install libndpi-bin.

sudo apt -y install libndpi-bin

Or if you have aptitude installed you can use the following command.

sudo aptitude install libndpi-bin

Summary

In this tutorial we learn how to fix ndpiReader command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.