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install dotnet 6 on ubuntu

sudo add-apt-repository universe
sudo apt-get install apt-transport-https
sudo apt-get update
sudo apt-get install dotnet-sdk-6.0

install dotnet 5 ubuntu

Step 1 – Enable Microsoft PPA
wget https://packages.microsoft.com/config/ubuntu/20.04/packages-microsoft-prod.deb 
sudo dpkg -i packages-microsoft-prod.deb 

Step 2 – Installing Dotnet Core SDK
sudo apt update 
sudo apt install apt-transport-https 
sudo apt install dotnet-sdk-3.1 

Step 3 – Install Dotnet Core Runtime Only
sudo apt update 
sudo apt install apt-transport-https 
sudo apt install dotnet-runtime-3.1 

Step 4 – Create Sample Application
dotnet new console -o HelloWorld
cd  HelloWorld
dotnet run

ubuntu dotnet 6

#For Ubuntu 20.04

#Installing with APT can be done with a few commands. 
#Before you install .NET, run the following commands to add the Microsoft 
#package signing key to your list of trusted keys and add the package 
#repository.

#Open a terminal and run the following commands:

wget https://packages.microsoft.com/config/ubuntu/20.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
sudo dpkg -i packages-microsoft-prod.deb
rm packages-microsoft-prod.deb

#Install the SDK

#The .NET SDK allows you to develop apps with .NET. 
#If you install the .NET SDK, you don't need to install the corresponding 
#runtime. To install the .NET SDK, run the following commands:

sudo apt-get update; 
  sudo apt-get install -y apt-transport-https && 
  sudo apt-get update && 
  sudo apt-get install -y dotnet-sdk-6.0