obfs4proxy command not found

Introduction

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

obfs4proxy: command not found

or when using sudo you get the following error message

sudo: obfs4proxy: command not found

Solutions to obfs4proxy: command not found

How To Fix obfs4proxy: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu obfs4proxy is provided by obfs4proxy package.

obfs4proxy is:

obfs4proxy is a tool that attempts to circumvent censorship by transforming the Tor traffic between the client and the bridge. This way censors, who usually monitor traffic between the client and the bridge, will see innocent-looking transformed traffic instead of the actual Tor traffic.

obfs4proxy implements the obfuscation protocols obfs2, obfs3, and obfs4.

It is written in Go and is compliant with the Tor pluggable transports specification, and its modular architecture allows it to support multiple pluggable transports.

This package contains both the client and the bridge in a single program.

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

sudo apt-get -y install obfs4proxy

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

You can also use apt command to install obfs4proxy.

sudo apt -y install obfs4proxy

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

sudo aptitude install obfs4proxy

Summary

In this tutorial we learn how to fix obfs4proxy command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.