tcpreen command not found

Introduction

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

tcpreen: command not found

or when using sudo you get the following error message

sudo: tcpreen: command not found

Solutions to tcpreen: command not found

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

In Ubuntu tcpreen is provided by tcpreen package.

tcpreen is:

TCPreen is a simple tool to monitor and analyze data transmitted between clients and servers through connection-oriented streams data such as a TCP sessions; it supports TCP over either IPv4 or IPv6.

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

sudo apt-get -y install tcpreen

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

You can also use apt command to install tcpreen.

sudo apt -y install tcpreen

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

sudo aptitude install tcpreen

Summary

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