freebsd-geom software package provides modular disk I/O request transformation framework (meta-package), 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 freebsd-geom
freebsd-geom is installed in your system.
Make ensure the freebsd-geom package were installed using the commands given below,
$ sudo dpkg-query -l | grep freebsd-geom *
You will get with freebsd-geom package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Administration Utilities |
| Package | freebsd-geom |
| Version | 9.0+ds1-11~deb7u1 |
| Description | modular disk I/O request transformation framework (meta-package) |
| Sub Section | Admin |