ext3grep software package provides Tool to help recover deleted files on ext3 filesystems, you can install in your Debian 7 (Wheezy) 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 | Debian 7 wheezy |
| Section | Administration Utilities |
| Package | ext3grep |
| Version | 0.10.1-3.2 |
| Description | Tool to help recover deleted files on ext3 filesystems |
| Sub Section | Admin |