Not sure where to start? See Hello World in 10 minutes to install .NET and build your first app.
Before installing .NET, you'll need to register the Microsoft key, register the product repository, and install required dependencies. This only needs to be done once per machine.
Open a command prompt and run the following commands:
wget -q https://packages.microsoft.com/config/ubuntu/16.04/packages-microsoft-prod.deb sudo dpkg -i packages-microsoft-prod.deb
Update the products available for installation, then install the .NET Runtime.
In your command prompt, run the following commands:
sudo apt-get install apt-transport-https sudo apt-get update sudo apt-get install aspnetcore-runtime-2.2
The previous command will install the .NET Core Runtime Bundle, which includes the .NET Core runtime and the ASP.NET Core runtime. To install just the .NET Core runtime, use the