mod-mono-server4 command not found

Introduction

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

mod-mono-server4: command not found

or when using sudo you get the following error message

sudo: mod-mono-server4: command not found

Solutions to mod-mono-server4: command not found

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

In Ubuntu mod-mono-server4 is provided by mono-apache-server4 package.

mono-apache-server4 is:

mono-apache-server contains the backend for mod_mono. It lets you run ASP.NET web applications via Apache. mod_mono will call mono-apache-server to parse and compile the aspx code.

This package requires you to install libapache2-mod-mono for Apache 2.0.

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

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

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

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

sudo apt -y install mono-apache-server4

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

sudo aptitude install mono-apache-server4

Summary

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