gddrescue software package provides GNU data recovery tool, 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 gddrescue
gddrescue is installed in your system.
Make ensure the gddrescue package were installed using the commands given below,
$ sudo dpkg-query -l | grep gddrescue *
You will get with gddrescue package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Utilities |
| Package | gddrescue |
| Version | 1.17-1 |
| Description | GNU data recovery tool |
| Sub Section | Utils |