How to Install and Use Mono on Ubuntu 22.04

Mono is a platform for developing and running cross-platform applications based on the ECMA/ISO Standards. It is a free and open-source implementation of Microsoft’s . NET framework. This tutorial covers the steps required to install Mono on Ubuntu.

Mono is a software platform designed to allow developers to easily create cross platform applications part of the . NET Foundation. Sponsored by Microsoft, Mono is an open source implementation of Microsoft’s . NET Framework based on the ECMA standards for C# and the Common Language Runtime.

In this tutorial, i am going to show you how to install and use mono on linux ubuntu 22.04.

How to Install and Use Mono on Ubuntu 22.04

Follow the below given steps to install and use mono on linux ubuntu 22.04; is as follows:

  • Import Key
  • Add Repository
  • Update Dependencies
  • Install Mono again using the apt package 
  • Check Mono Version
  • Use the mono on Ubuntu 22.04

Import Key

Open your command prompt and run the following command on command prompt to  import the repository key in ubuntu 22.04:

$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF

Add Repository

Run the following command on command prompt to add the repository to the list of our Ubuntu 22.04 repositories:

$ echo "deb https://download.mono-project.com/repo/ubuntu stable-focal main" | sudo tee /etc/apt/sources.list.d/mono-official-stable.list

Update Dependencies

Run the following command on command prompt to update the repository of the Ubuntu 22.04:

$ sudo apt update

Install Mono again using the apt package 

Run the following command on command prompt to install the Mono again using the apt package manager:

$ sudo apt install mono-complete -y

Check Mono Version

To check the version of installed mono by running the following command on command prompt:

$ mono --version

Use the mono on Ubuntu 22.04

To understand the usage of the Mono; let’s we will create a C-sharp code to print “Hello! world” by creating a file, MyCode.cs using the nano editor:

$ nano MyCode.cs

Type the following c sharp code:

using System;
public class Tutsmake
 {
     public static void Main(string[] args)
     {
        Console.WriteLine ("Hello! world");
     }
 }

Then saves the file, exits the editor by closing it, and compiles the file using the csc compiler:

$ csc MyCode.cs

Run the following command on command prompt to run the executable file of the MyCode.cs:

$ mono MyCode.exe

Conclusion

Through this tutorial, i have shown to you how to install and use of the Mono in Ubuntu 22.04.

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