cgpt software package provides GPT manipulation tool with support for Chromium OS extensions, 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 cgpt
cgpt is installed in your system.
Make ensure the cgpt package were installed using the commands given below,
$ sudo dpkg-query -l | grep cgpt *
You will get with cgpt package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Administration Utilities |
| Package | cgpt |
| Version | 0~20121212-3 |
| Description | GPT manipulation tool with support for Chromium OS extensions |
| Sub Section | Admin |