ninja command not found

Introduction

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

ninja: command not found

or when using sudo you get the following error message

sudo: ninja: command not found

Solutions to ninja: command not found

How To Fix ninja: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu ninja is provided by ninja-build package.

ninja-build is:

Ninja is yet another build system. It takes as input the interdependencies of files (typically source code and output executables) and orchestrates building them, quickly.

Ninja joins a sea of other build systems. Its distinguishing goal is to be fast. It is born from the Chromium browser project, which has over 30,000 source files and whose other build systems can take ten seconds to start building after changing one file. Ninja is under a second.

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

sudo apt-get -y install ninja-build

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

You can also use apt command to install ninja-build.

sudo apt -y install ninja-build

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

sudo aptitude install ninja-build

Summary

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