parted software package provides disk partition manipulator, 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 parted
parted is installed in your system.
Make ensure the parted package were installed using the commands given below,
$ sudo dpkg-query -l | grep parted *
You will get with parted package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | parted |
| Version | 2.3-19ubuntu1 |
| Description | disk partition manipulator |
| Sub Section | Admin |