censuslookup command not found

Introduction

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

censuslookup: command not found

or when using sudo you get the following error message

sudo: censuslookup: command not found

Solutions to censuslookup: command not found

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

In Ubuntu censuslookup is provided by regina-normal package.

regina-normal is:

Regina is a software package for 3-manifold and 4-manifold topologists, with a focus on triangulations, knots and links, normal surfaces, and angle structures.

For 3-manifolds, it includes high-level tasks such as 3-sphere recognition, connected sum decomposition and Hakenness testing, comes with a rich database of census manifolds, and incorporates the SnapPea kernel for working with hyperbolic manifolds. For 4-manifolds, it offers a range of combinatorial and algebraic tools, plus support for normal hypersurfaces. For knots and links, Regina can perform combinatorial manipulation, compute knot polynomials, and work with several import/export formats.

Regina comes with a full graphical user interface, as well as Python bindings and a low-level C++ programming interface.

This package includes the graphical user interface and the command-line Python interface. The users’ handbook and the API documentation are in the separate package regina-normal-doc.

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

sudo apt-get -y install regina-normal

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

You can also use apt command to install regina-normal.

sudo apt -y install regina-normal

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

sudo aptitude install regina-normal

Summary

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