qthid command not found

In this troubleshooting guide we learn how to fix qthid command not found error message

Introduction

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

qthid: command not found

or when using sudo you get the following error message

sudo: qthid: command not found

Solutions to qthid: command not found

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

In Ubuntu qthid is provided by qthid-fcd-controller package.

qthid-fcd-controller is:

Controller application for the Funcube Dongle software defined radio receiver, built using the HID API library and the Qt GUI toolkit.

The Funcube Dongle is a small software defined radio receiver for 64 MHz - 1.7 GHz. It fits into a computer’s USB port and uses USB audio to transfer complex I/Q data to SDR applications. The control API for setting frequency, gain, filter, etc. uses the USB HID standard.

It provides full support for the Funcube Dongle API::

  • Change frequency and apply frequency correction.
  • Change RF gains and filters.
  • Change IF gains and filters.
  • LNA enhancement, bias current, etc.
  • I/Q correction.
  • Auto-repeat tuning buttons (click and hold button to scan).
  • Variable frequency step.
  • Upgrade and verify the firmware.

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

sudo apt-get -y install qthid-fcd-controller

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

You can also use apt command to install qthid-fcd-controller.

sudo apt -y install qthid-fcd-controller

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

sudo aptitude install qthid-fcd-controller

Summary

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