cl-md5 software package provides Common Lisp package for MD5 Message Digests, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cl-md5
cl-md5 is installed in your system.
Make ensure the cl-md5 package were installed using the commands given below,
$ sudo dpkg-query -l | grep cl-md5 *
You will get with cl-md5 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Development |
| Package | cl-md5 |
| Version | 1:20150804-1 |
| Description | Common Lisp package for MD5 Message Digests |
| Sub Section | Devel |