idn2 command not found

In this troubleshooting guide we learn how to fix idn2 command not found error message

Introduction

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

idn2: command not found

or when using sudo you get the following error message

sudo: idn2: command not found

In Ubuntu idn2 is provided by idn2 package.

idn2 is:

Libidn2 implements the revised algorithm for internationalized domain names called IDNA2008/TR46.

This package contains the idn2 command-line tool.

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

sudo apt-get -y install idn2

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

You can also use apt command to install idn2.

sudo apt -y install idn2

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

sudo aptitude install idn2

In this tutorial we learn how to fix idn2 command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.