libdecor-c++-demo command not found

Introduction

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

libdecor-c++-demo: command not found

or when using sudo you get the following error message

sudo: libdecor-c++-demo: command not found

Solutions to libdecor-c++-demo: command not found

How To Fix libdecor-c++-demo: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu libdecor-c++-demo is provided by libdecor-tests package.

libdecor-tests is:

libdecor is a library that can help Wayland clients draw window decorations for them. It aims to provide multiple backends that implements the decoration drawing.

This package contains manual test programs. Automated tests might be added to this package in future versions.

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

sudo apt-get -y install libdecor-tests

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

You can also use apt command to install libdecor-tests.

sudo apt -y install libdecor-tests

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

sudo aptitude install libdecor-tests

Summary

In this tutorial we learn how to fix libdecor-c++-demo command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.