.NET Tutorial – Hello World in 10 minutes

https://www.microsoft.com/net/learn/get-started-with-dotnet-tutorial

Add the dotnet product feed

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:

sudo rpm -Uvh https://packages.microsoft.com/config/rhel/7/packages-microsoft-prod.rpm

Install .NET Core SDK on Linux CentOS / Oracle

https://www.microsoft.com/net/download/linux-package-manager/centos/sdk-current

sudo yum update
sudo yum install dotnet-sdk-2.1

Install .NET Core Runtime on Linux CentOS / Oracle

https://www.microsoft.com/net/download/linux-package-manager/centos/runtime-current

sudo yum update
sudo yum install aspnetcore-runtime-2.1