libmcrypt-config command not found

In this troubleshooting guide we learn how to fix libmcrypt-config command not found error message

Introduction

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

libmcrypt-config: command not found

or when using sudo you get the following error message

sudo: libmcrypt-config: command not found

Solutions to libmcrypt-config: command not found

How To Fix libmcrypt-config: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu libmcrypt-config is provided by libmcrypt-dev package.

libmcrypt-dev is:

libmcrypt is the library which implements all the algorithms and modes found in mcrypt.

libmcrypt supports the algorithms: BLOWFISH, TWOFISH, DES, TripleDES, 3-WAY, SAFER-sk64, SAFER-sk128, SAFER+, LOKI97, GOST, RC2, RC6, MARS, IDEA, RIJNDAEL-128, RIJNDAEL-192, SERPENT, RIJNDAEL-256, CAST-128 (known as CAST5), CAST-256, ARCFOUR, ENIGMA, PANAMA, XTEA and WAKE. Block algorithms can be used in: CBC, ECB, CFB and OFB (8 bit and n bit, where n is the size of the algorithm’s block length).

More information can be found at the libmcrypt homepage http://mcrypt.sourceforge.net/ .

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

sudo apt-get -y install libmcrypt-dev

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

You can also use apt command to install libmcrypt-dev.

sudo apt -y install libmcrypt-dev

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

sudo aptitude install libmcrypt-dev

Summary

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