libcrypt-passwdmd5-perl software package provides interoperable MD5-based crypt() for perl, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libcrypt-passwdmd5-perl
libcrypt-passwdmd5-perl is installed in your system.
Make ensure the libcrypt-passwdmd5-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libcrypt-passwdmd5-perl *
You will get with libcrypt-passwdmd5-perl package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Perl |
| Package | libcrypt-passwdmd5-perl |
| Version | 1.3-10 |
| Description | interoperable MD5-based crypt() for perl |
| Sub Section | Perl |