ref link : https://www.microsoft.com/net/core#linuxubuntu
sudo sh -c 'echo "deb [arch=amd64] https://apt-mo.trafficmanager.net/repos/dotnet-release/ yakkety main" > /etc/apt/sources.list.d/dotnetdev.list' sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 417A0893 sudo apt-get update
sudo apt-get install dotnet-dev-1.0.0-preview2.1-003177