[sunjester]

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

[inquis1t0r]

Well mono is kind of obsolete, when .NET Core is out with UI libraries going to be release really soon + here is AvaloniaUI for impatient.

[phyrrus9]

Well mono is kind of obsolete, when .NET Core is out with UI libraries going to be release really soon + here is AvaloniaUI for impatient.

.net core has been out for quite some time. Mono is simply the runtime. Unless you're not using any dependencies, then you'll need it.

[sunjester]

mono is an IDE for building .net applications on linux, it's not obsolete.

[darkninja1980]

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

nice little tutorial.

[bumbuls6]

The only thing VB has going for it is the basic syntax if you grew on it so it has a sorta nostalgic value ("muh goto").