wifi command not found

Introduction

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

wifi: command not found

or when using sudo you get the following error message

sudo: wifi: command not found

Solutions to wifi: command not found

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

In Ubuntu wifi is provided by tlp package.

tlp is:

TLP is a feature-rich command-line utility, saving laptop battery power without the need to delve deeper into technical details.

TLP’s default settings are already optimized for battery life and implement Powertop’s recommendations out of the box. Moreover TLP is highly customizable to fulfil specific user requirements.

Settings are organized into two profiles, allowing to adjust between savings and performance independently for battery (BAT) and AC operation. In addition TLP can enable or disable Bluetooth, NFC, Wi-Fi and WWAN radio devices on boot.

For ThinkPads and selected other laptops it provides a unified way to configure charge thresholds and recalibrate the battery.

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

sudo apt-get -y install tlp

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

You can also use apt command to install tlp.

sudo apt -y install tlp

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

sudo aptitude install tlp

Summary

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