hbr_regression command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

hbr_regression: command not found

or when using sudo you get the following error message

sudo: hbr_regression: command not found

Solutions to hbr_regression: command not found

How To Fix hbr_regression: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu hbr_regression is provided by opensubdiv-tools package.

opensubdiv-tools is:

OpenSubdiv is a set of open source libraries that implement high performance subdivision surface (subdiv) evaluation on massively parallel CPU and GPU architectures. This codepath is optimized for drawing deforming subdivs with static topology at interactive framerates. The resulting limit surface matches Pixar’s Renderman to numerical precision.

This package provides the official tools.

To fix this problem, we can install more using the command below.

sudo apt-get -y install opensubdiv-tools

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install opensubdiv-tools.

sudo apt -y install opensubdiv-tools

Or if you have aptitude installed you can use the following command.

sudo aptitude install opensubdiv-tools

Summary

In this tutorial we learn how to fix hbr_regression command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.