ffindex_apply command not found

Introduction

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

ffindex_apply: command not found

or when using sudo you get the following error message

sudo: ffindex_apply: command not found

Solutions to ffindex_apply: command not found

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

In Ubuntu ffindex_apply is provided by ffindex package.

ffindex is:

FFindex is a very simple index/database for huge amounts of small files. The files are stored concatenated in one big data file, separated by ‘\0’. A second file contains a plain text index, giving name, offset and length of the small files. The lookup is currently done with a binary search on an array made from the index file.

This package provides the executables.

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

sudo apt-get -y install ffindex

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

You can also use apt command to install ffindex.

sudo apt -y install ffindex

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

sudo aptitude install ffindex

Summary

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