gnuplot-qt command not found

Introduction

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

gnuplot-qt: command not found

or when using sudo you get the following error message

sudo: gnuplot-qt: command not found

Solutions to gnuplot-qt: command not found

How To Fix gnuplot-qt: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu gnuplot-qt is provided by gnuplot-qt package.

gnuplot-qt is:

Gnuplot is a portable command-line driven interactive data and function plotting utility that supports lots of output formats, including drivers for many printers, (La)TeX, (x)fig, Postscript, and so on.

Data files and self-defined functions can be manipulated by the internal C-like language. Can perform smoothing, spline-fitting, or nonlinear fits, and can work with complex numbers.

This package contains the terminal driver that enables gnuplot to plot images interactively using Qt.

The package provides gnuplot-x11 and gnuplot-nox terminals plus an additional QT-terminal for output.

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

sudo apt-get -y install gnuplot-qt

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

You can also use apt command to install gnuplot-qt.

sudo apt -y install gnuplot-qt

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

sudo aptitude install gnuplot-qt

Summary

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