[sunjester tuts] Using C# (.NET code/apps) on Linux

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Introduction
All of my tutorials are written, tested, and meant to be used on Linux. I am using Ubuntu xenial (currently 16.04). You can use any debian distro and follow any of my tutorials. I will not pander to the Windows kiddies, don't ask.
 
Directions
First, let's check what version you have, you can use the lsb_release command.

Code:

lsb_release -a

 
18.04

Code:

sudo apt install gnupg ca-certificates
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
echo "deb https://download.mono-project.com/repo/ubuntu stable-bionic main" | sudo tee /etc/apt/sources.list.d/mono-official-stable.list
sudo apt update

 
16.04

Code:

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
sudo apt install apt-transport-https ca-certificates
echo "deb https://download.mono-project.com/repo/ubuntu stable-xenial main" | sudo tee /etc/apt/sources.list.d/mono-official-stable.list
sudo apt update

 
14.04

Code:

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF
sudo apt install apt-transport-https ca-certificates
echo "deb https://download.mono-project.com/repo/ubuntu stable-trusty main" | sudo tee /etc/apt/sources.list.d/mono-official-stable.list
sudo apt update

 
Next, install Mono

Code:

sudo apt install mono-devel

Now we can compile and then run the C# code below, that i've saved in a file named hello.cs

Code:

using System;
 
public class HelloWorld
{
    static public void Main ()
    {
        Console.WriteLine ("Hello World");
    }
}

using the csc to compile
csc hello.cs
 
and using mono to run the .net executable
mono hello.exe
 
WinForms
You can compile the winforms applications using the following argument

Code:

-r:System.Windows.Forms.dll

Gtk# Forms

Code:

-pkg:gtk-sharp-2.0

[4]

what is gtksharp

[10]

thanks for this