ocamlviz-gui command not found

In this troubleshooting guide we learn how to fix ocamlviz-gui command not found error message

Introduction

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

ocamlviz-gui: command not found

or when using sudo you get the following error message

sudo: ocamlviz-gui: command not found

Solutions to ocamlviz-gui: command not found

How To Fix ocamlviz-gui: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu ocamlviz-gui is provided by ocamlviz package.

ocamlviz is:

Ocamlviz gives the ability to instrument an existing code, in real time, with lightweight monitoring annotations. Ocamlviz can also be used as a debugging tool.

Here are a few possibilities provided by Ocamlviz:

observe details about the garbage collector
observe how many times the program goes through a point
make a set of values (any) and count its cardinal number and its size in the heap
observe how much time passed between two points of the program
observe the value of integers, floating-point numbers, booleans and strings
observe details about hash tables, like the number of empty buckets, or the filling rate
etc

This package provides two sorts of client output:

an ASCII client, the monitoring is displayed in a file
a Graphical User Interface, using Lablgtk2, that allows, for instance, displaying data in a graph

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

sudo apt-get -y install ocamlviz

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

You can also use apt command to install ocamlviz.

sudo apt -y install ocamlviz

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

sudo aptitude install ocamlviz

Summary

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