glfer command not found

Introduction

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

glfer: command not found

or when using sudo you get the following error message

sudo: glfer: command not found

Solutions to glfer: command not found

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

In Ubuntu glfer is provided by glfer package.

glfer is:

Glfer is composed of two main parts: a spectrogram window, where you can see the spectrum of the received signal vs. time and transmission functions, to emit cw characters at a slow but precisely controlled speed, using the QRSS (slow CW) or DFCW (Dual Frequency CW) modes.

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

sudo apt-get -y install glfer

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

You can also use apt command to install glfer.

sudo apt -y install glfer

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

sudo aptitude install glfer

Summary

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