vsearch command not found

In this troubleshooting guide we learn how to fix vsearch command not found error message

Introduction

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

vsearch: command not found

or when using sudo you get the following error message

sudo: vsearch: command not found

Solutions to vsearch: command not found

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

In Ubuntu vsearch is provided by vsearch package.

vsearch is:

Versatile 64-bit multithreaded tool for processing metagenomic sequences, including searching, clustering, chimera detection, dereplication, sorting, masking and shuffling

The aim of this project is to create an alternative to the USEARCH tool developed by Robert C. Edgar (2010). The new tool should:

have a 64-bit design that handles very large databases and much more than 4GB of memory
be as accurate or more accurate than usearch
be as fast or faster than usearch

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

sudo apt-get -y install vsearch

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

You can also use apt command to install vsearch.

sudo apt -y install vsearch

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

sudo aptitude install vsearch

Summary

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