windows下下载nuget.exe:

https://www.nuget.org/downloads

1.手动下载安装.netcore sdk:

https://docs.microsoft.com/en-us/dotnet/core/install/sdk?pivots=os-linux#all-net-core-downloads

2.使用Linux-yum下载安装:

https://dotnet.microsoft.com/learn/dotnet/hello-world-tutorial/install

https://docs.microsoft.com/zh-cn/dotnet/core/install/

下载microsoft依赖：

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

安装运行环境库：

sudo yum install dotnet-sdk-3.1

安装asp.net core运行环境：

sudo yum install aspnetcore-runtime-3.1