vapigen command not found

Introduction

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

vapigen: command not found

or when using sudo you get the following error message

sudo: vapigen: command not found

Solutions to vapigen: command not found

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

In Ubuntu vapigen is provided by valac package.

valac is:

Vala is a new programming language that aims to bring modern programming language features to GNOME developers without imposing any additional runtime requirements and without using a different ABI compared to applications and libraries written in C.

valac, the Vala compiler, is a self-hosting compiler that translates Vala source code into C source and header files. It uses the GObject type system to create classes and interfaces declared in the Vala source code. This package also contains the vala-gen-introspect and vapigen binaries that will automatically generate Vala bindings.

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

sudo apt-get -y install valac

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

You can also use apt command to install valac.

sudo apt -y install valac

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

sudo aptitude install valac

Summary

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