sf command not found

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

Introduction

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

sf: command not found

or when using sudo you get the following error message

sudo: sf: command not found

Solutions to sf: command not found

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

In Ubuntu sf is provided by ruby-sprite-factory package.

ruby-sprite-factory is:

The sprite factory is a ruby library that can be used to generate CSS sprites. It combines individual image files from a directory into a single unified sprite image and creates an appropriate CSS stylesheet for use in your web application.

The library provides:

  • both a ruby API and a command line script.
  • many customizable options.
  • support for multiple layout algorithms - horizontal, vertical or packed.
  • support for any stylesheet syntax, including CSS and Sass.
  • support for any image library, including RMagick and ChunkyPNG.
  • support for any css selector style, including :hover pseudo-class selectors.
  • support for pngcrush’n the generated image file.
  • compatible with Rails 3.1 asset pipeline.

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

sudo apt-get -y install ruby-sprite-factory

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

You can also use apt command to install ruby-sprite-factory.

sudo apt -y install ruby-sprite-factory

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

sudo aptitude install ruby-sprite-factory

Summary

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