fv command not found

Introduction

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

fv: command not found

or when using sudo you get the following error message

sudo: fv: command not found

Solutions to fv: command not found

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

In Ubuntu fv is provided by ftools-fv package.

ftools-fv is:

Fv provides a graphical user interface to data stored in FITS (Flexible Image Transport System) files. Local files can be created, viewed and edited, files on the internet can be opened read-only through the http and ftp protocols. Through the POWplot program, FITS data can be visualized in a large variety of styles. An interface to the SkyView online database allows for searching, downloading, and plotting of images and object lists for a region of the sky.

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

sudo apt-get -y install ftools-fv

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

You can also use apt command to install ftools-fv.

sudo apt -y install ftools-fv

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

sudo aptitude install ftools-fv

Summary

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