cmph command not found

Introduction

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

cmph: command not found

or when using sudo you get the following error message

sudo: cmph: command not found

Solutions to cmph: command not found

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

In Ubuntu cmph is provided by libcmph-tools package.

libcmph-tools is:

Minimal perfect hash functions are widely used for memory efficient storage and fast retrieval of items from static sets, such as words in natural languages, reserved words in programming languages or interactive systems, universal resource locations (URLs) in Web search engines, or item sets in data mining techniques.

This package contains the cmph command line utility to generate and query minimal perfect hash functions.

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

sudo apt-get -y install libcmph-tools

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

You can also use apt command to install libcmph-tools.

sudo apt -y install libcmph-tools

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

sudo aptitude install libcmph-tools

Summary

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