png-fix-itxt command not found

In this troubleshooting guide we learn how to fix png-fix-itxt command not found error message

Introduction

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

png-fix-itxt: command not found

or when using sudo you get the following error message

sudo: png-fix-itxt: command not found

In Ubuntu png-fix-itxt is provided by libpng-tools package.

libpng-tools is:

libpng is a library implementing an interface for reading and writing PNG (Portable Network Graphics) format files.

This package contains a program to interact with libpng from the command line.

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

sudo apt-get -y install libpng-tools

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

You can also use apt command to install libpng-tools.

sudo apt -y install libpng-tools

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

sudo aptitude install libpng-tools

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