How To Install libmcrypt-dev on Ubuntu 20.04

In this tutorial we learn how to install libmcrypt-dev on Ubuntu 20.04. libmcrypt-dev is De-/Encryption Library development files

Introduction

In this tutorial we learn how to install libmcrypt-dev on Ubuntu 20.04.

What is libmcrypt-dev

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/

There are three methods to install libmcrypt-dev on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libmcrypt-dev Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libmcrypt-dev using apt-get by running the following command:

sudo apt-get -y install libmcrypt-dev

Install libmcrypt-dev Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libmcrypt-dev using apt by running the following command:

sudo apt -y install libmcrypt-dev

Install libmcrypt-dev Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libmcrypt-dev using aptitude by running the following command:

sudo aptitude -y install libmcrypt-dev

How To Uninstall libmcrypt-dev on Ubuntu 20.04

To uninstall only the libmcrypt-dev package we can use the following command:

sudo apt-get remove libmcrypt-dev

Uninstall libmcrypt-dev And Its Dependencies

To uninstall libmcrypt-dev and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove libmcrypt-dev

Remove libmcrypt-dev Configurations and Data

To remove libmcrypt-dev configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge libmcrypt-dev

Remove libmcrypt-dev configuration, data, and all of its dependencies

We can use the following command to remove libmcrypt-dev configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libmcrypt-dev

References

Summary

In this tutorial we learn how to install libmcrypt-dev package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.