$ sudo apt-get update
$ sudo apt-get install mkreiserfs-udeb 

mkreiserfs-udeb is installed in your system.

Make ensure the mkreiserfs-udeb package were installed using the commands given below,

$ sudo dpkg-query -l | grep mkreiserfs-udeb *

You will get with mkreiserfs-udeb package name, version, architecture and description in a table

mkreiserfs-udeb package basic information: