passwd software package provides change and administer password and group data, 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 passwd
passwd is installed in your system.
Make ensure the passwd package were installed using the commands given below,
$ sudo dpkg-query -l | grep passwd *
You will get with passwd package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | passwd |
| Version | 1:4.1.5.1-1ubuntu9 |
| Description | change and administer password and group data |
| Sub Section | Admin |