安装 之前，请运行以下命令，将 Microsoft 包签名密钥添加到受信任密钥列表，并添加 Microsoft 包存储库。 打开终端并运行以下命令：

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

安装运行时：

sudo yum install aspnetcore-runtime-5.0 -y

在配置好后，可以通过如下命令检查：

dotnet --info

样例输出：

Host (useful for support):
  Version: 5.0.12
  Commit:  7211aa01b3

.NET SDKs installed:
  No SDKs were found.

.NET runtimes installed:
  Microsoft.AspNetCore.App 5.0.12 [/usr/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 5.0.12 [/usr/share/dotnet/shared/Microsoft.NETCore.App]

To install additional .NET runtimes or SDKs:
  https://aka.ms/dotnet-download