fy-compose command not found

In this troubleshooting guide we learn how to fix fy-compose command not found error message

Introduction

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

fy-compose: command not found

or when using sudo you get the following error message

sudo: fy-compose: command not found

In Ubuntu fy-compose is provided by libfyaml-utils package.

libfyaml-utils is:

Fully feature complete YAML parser and emitter, supporting the latest YAML spec and passing the full YAML testsuite.

It is designed to be very efficient, avoiding copies of data, and has no artificial limits like the 1024 character limit for implicit keys.

This package contains utilities manipulating YAML files.

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

sudo apt-get -y install libfyaml-utils

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

You can also use apt command to install libfyaml-utils.

sudo apt -y install libfyaml-utils

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

sudo aptitude install libfyaml-utils

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