Centos 安装.NET CORE 3.1
1、注册 Microsoft 密钥和源
# sudo rpm -Uvh https://packages.microsoft.com/config/centos/7/packages-microsoft-prod.rpm
2、安装 .NET Core SDK
# sudo yum install dotnet-sdk-3.1
3、安装 ASP.NET Core 运行时
# sudo yum install aspnetcore-runtime-3.1
4、测试.NET SDK安装成功：
# dotnet --version
原文：https://www.cnblogs.com/wangxun0918/p/14387664.html