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How To Install Mono on Linux Mint 20

Install Mono on Linux Mint 20

In this tutorial, we will show you how to install Mono on Linux Mint 20. For those of you who didn’t know, Mono is a free, open-source development platform based on the .NET Framework. It helps the developers to build efficient and reliable applications that can run on multiple platforms.

This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of a Mono Framework on Linux Mint 20 (Ulyana).


  • A server running one of the following operating systems: Linux Mint 20 (Ulyana).
  • It’s recommended that you use a fresh OS install to prevent any potential issues.
  • SSH access to the server (or just open Terminal if you’re on a desktop).
  • A non-root sudo user or access to the root user. We recommend acting as a non-root sudo user, however, as you can harm your system if you’re not careful when acting as the root.

Install Mono on Linux Mint 20 Ulyana

Step 1. Before running the tutorial below, it’s important to make sure your system is up to date by running the following apt commands in the terminal:

sudo apt update
sudo apt install dirmngr gnupg apt-transport-https ca-certificates

Step 2. Installing Mono on Linux Mint 20.

By default, Mono Framework is not available on the Linux Mint 20 base repository. Now we add Mono repository to your Linux Mint system:

sudo sh -c 'echo "deb [arch=amd64] stable-focal main" > /etc/apt/sources.list.d/mono-official-stable.list'

Next. import the GPG key:

sudo apt-key adv --keyserver hkp:// --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF

After that, update your repository and install them:

sudo apt update
sudo apt install mono-complete

If you want to build your projects through the IDE development method then, use the following command to install Mono:

sudo apt install monodevelop

Verify Mono installation and check the installed version:

mono --version

Congratulations! You have successfully installed Mono. Thanks for using this tutorial for installing the latest version of Mono Framework on the Linux Mint system. For additional help or useful information, we recommend you check the official Mono website.

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r00t is a seasoned Linux system administrator with a wealth of experience in the field. Known for his contributions to, r00t has authored numerous tutorials and guides, helping users navigate the complexities of Linux systems. His expertise spans across various Linux distributions, including Ubuntu, CentOS, and Debian. r00t's work is characterized by his ability to simplify complex concepts, making Linux more accessible to users of all skill levels. His dedication to the Linux community and his commitment to sharing knowledge makes him a respected figure in the field.
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