如何在Linux中安装微软的 .NET Core SDK

更新源仓库，安装 .NET SDK，命令如下：

$ sudo zypper update
$ sudo zypper install dotnet-sdk-2.2

Ubuntu 18.04 LTS 版本的系统上：

注册微软的密钥和 .NET Core 仓库源，命令如下：

$ wget -q https://packages.microsoft.com/config/ubuntu/18.04/packages-microsoft-prod.deb
$ sudo dpkg -i packages-microsoft-prod.deb

使 Universe 仓库可用：

$ sudo add-apt-repository universe

然后，安装 .NET Core SDK ，命令如下：

$ sudo apt-get install apt-transport-https
$sudo apt-get update
$ sudo apt-get install dotnet-sdk-2.2

Ubuntu 16.04 LTS 版本的系统上：

注册微软的密钥和 .NET Core 仓库源，命令如下：

$ wget -q https://packages.microsoft.com/config/ubuntu/16.04/packages-microsoft-prod.deb
$ sudo dpkg -i packages-microsoft-prod.deb

然后安装 .NET core SDK：

$ sudo apt-get install apt-transport-https
$ sudo apt-get update
$ sudo apt-get install dotnet-sdk-2.2

创建你的第一个应用程序

我们已经成功的在 Linux 机器中安装了 .NET Core SDK。是时候使用 dotnet 创建第一个应用程序了。

接下来的目的，我们会创建一个名为 ostechnixApp 的应用程序。为此，可以简单的运行如下命令：

$ dotnet new console -o ostechnixApp

示例输出：

Welcome to .NET Core!
---------------------
Learn more about .NET Core: https://aka.ms/dotnet-docs
Use 'dotnet --help' to see available commands or visit: https://aka.ms/dotnet-cli-docs
 
Telemetry
---------
The .NET Core tools collect usage data in order to help us improve your experience. The data is anonymous and doesn't include command-line arguments. The data is collected by Microsoft and shared with the community. You can opt-out of telemetry by setting the DOTNET_CLI_TELEMETRY_OPTOUT environment variable to '1' or 'true' using your favorite shell.
 
Read more about .NET Core CLI Tools telemetry: https://aka.ms/dotnet-cli-telemetry
 
ASP.NET Core
------------
Successfully installed the ASP.NET Core HTTPS Development Certificate.
To trust the certificate run 'dotnet dev-certs https --trust' (Windows and macOS only). For establishing trust on other platforms refer to the platform specific documentation.
For more information on configuring HTTPS see https://go.microsoft.com/fwlink/?linkid=848054.
Getting ready...
The template "Console Application" was created successfully.
 
Processing post-creation actions...
Running 'dotnet restore' on ostechnixApp/ostechnixApp.csproj...
Restoring packages for /home/sk/ostechnixApp/ostechnixApp.csproj...
Generating MSBuild file /home/sk/ostechnixApp/obj/ostechnixApp.csproj.nuget.g.props.
Generating MSBuild file /home/sk/ostechnixApp/obj/ostechnixApp.csproj.nuget.g.targets.
Restore completed in 894.27 ms for /home/sk/ostechnixApp/ostechnixApp.csproj.
 
Restore succeeded.

正如上面的输出所示的，.NET 已经为我们创建一个控制台类型的应用程序。-o 参数创建了一个名为 “ostechnixApp” 的目录，其包含有存储此应用程序数据所必需的文件。

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