primer3_core command not found

Introduction

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

primer3_core: command not found

or when using sudo you get the following error message

sudo: primer3_core: command not found

Solutions to primer3_core: command not found

How To Fix primer3_core: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu primer3_core is provided by primer3 package.

primer3 is:

Primer3 picks primers for Polymerase Chain Reactions (PCRs), considering as criteria oligonucleotide melting temperature, size, GC content and primer-dimer possibilities, PCR product size, positional constraints within the source sequence, and miscellaneous other constraints. All of these criteria are user-specifiable as constraints, and some are specifiable as terms in an objective function that characterizes an optimal primer pair.

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

sudo apt-get -y install primer3

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

You can also use apt command to install primer3.

sudo apt -y install primer3

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

sudo aptitude install primer3

Summary

In this tutorial we learn how to fix primer3_core command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.