ext3grep software package provides tool to help recover deleted files on ext3 filesystems, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ext3grep
ext3grep is installed in your system.
Make ensure the ext3grep package were installed using the commands given below,
$ sudo dpkg-query -l | grep ext3grep *
You will get with ext3grep package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Administration Utilities |
| Package | ext3grep |
| Version | 0.10.2-3 |
| Description | tool to help recover deleted files on ext3 filesystems |
| Sub Section | admin |