guestfish software package provides guest disk image management system - file system shell, 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 guestfish
guestfish is installed in your system.
Make ensure the guestfish package were installed using the commands given below,
$ sudo dpkg-query -l | grep guestfish *
You will get with guestfish package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Administration Utilities |
| Package | guestfish |
| Version | 1:1.18.1-1+deb7u3 |
| Description | guest disk image management system - file system shell |
| Sub Section | Admin |