wsapi.cgi command not found

In this troubleshooting guide we learn how to fix wsapi.cgi command not found error message

Introduction

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

wsapi.cgi: command not found

or when using sudo you get the following error message

sudo: wsapi.cgi: command not found

Solutions to wsapi.cgi: command not found

How To Fix wsapi.cgi: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu wsapi.cgi is provided by lua-wsapi package.

lua-wsapi is:

WSAPI is an API that abstracts the web server for Lua web applications, allowing the same application to be used in different web servers.

This package contains the WSAPI utility libraries (for common tasks like url encoding/decoding) as well as the following backends (server implementations):

CGI (the regular environment-variables based protocol)
xavante (for the Xavante web server)

The fastcgi backends is available in the separate package lua-wsapi-fcgi.

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

sudo apt-get -y install lua-wsapi

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

You can also use apt command to install lua-wsapi.

sudo apt -y install lua-wsapi

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

sudo aptitude install lua-wsapi

Summary

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