$ wget -qO- https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.asc.gpg $ sudo mv microsoft.asc.gpg /etc/apt/trusted.gpg.d/ $ wget -q https://packages.microsoft.com/config/ubuntu/18.04/prod.list $ sudo mv prod.list /etc/apt/sources.list.d/microsoft-prod.list
![Ubuntu 18.04に.NET Core 2をインストールしてC#プログラムをビルドする](https://cdn-ak-scissors.b.st-hatena.com/image/square/c37e6234d7452fc6d24ddfbc74f74bbf3ee1f99e/height=288;version=1;width=512/https%3A%2F%2Fblog-imgs-77.fc2.com%2Fs%2Fy%2Fm%2Fsymfoware%2F878_01.png)