esolver command not found

Introduction

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

esolver: command not found

or when using sudo you get the following error message

sudo: esolver: command not found

Solutions to esolver: command not found

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

In Ubuntu esolver is provided by qsopt-ex package.

qsopt-ex is:

QSopt-ex is an implementation of a simplex-based algorithm that returns exact rational solutions, taking advantage of the speed of floating-point calculations and attempting to minimize the operations performed in rational arithmetic.

This package contains the command-line utilities.

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

sudo apt-get -y install qsopt-ex

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

You can also use apt command to install qsopt-ex.

sudo apt -y install qsopt-ex

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

sudo aptitude install qsopt-ex

Summary

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