fastcgi-mono-server4 command not found

In this troubleshooting guide we learn how to fix fastcgi-mono-server4 command not found error message

Introduction

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

fastcgi-mono-server4: command not found

or when using sudo you get the following error message

sudo: fastcgi-mono-server4: command not found

Solutions to fastcgi-mono-server4: command not found

How To Fix fastcgi-mono-server4: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu fastcgi-mono-server4 is provided by mono-fastcgi-server4 package.

mono-fastcgi-server4 is:

mono-fastcgi-server contains the backend for FastCGI. It lets you run ASP.NET web applications via HTTP servers such as Lighttpd or Apache. The FastCGI webserver shouldbe configured to run fastcgi-mono-server to parse and compile the aspx code.

This package requires you to install any FastCGI webserver, such as Lighttpd or Apache (see libapache2-mod-fcgid).

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

sudo apt-get -y install mono-fastcgi-server4

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

You can also use apt command to install mono-fastcgi-server4.

sudo apt -y install mono-fastcgi-server4

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

sudo aptitude install mono-fastcgi-server4

Summary

In this tutorial we learn how to fix fastcgi-mono-server4 command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.