dotur software package provides distance based OTU and richness estimation, 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 dotur
dotur is installed in your system.
Make ensure the dotur package were installed using the commands given below,
$ sudo dpkg-query -l | grep dotur *
You will get with dotur package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Science |
| Package | dotur |
| Version | 1.53-2 |
| Description | distance based OTU and richness estimation |
| Sub Section | Science |