2020-11-30 Install .net 5 to Cen

参考地址：https://docs.microsoft.com/en-us/dotnet/core/install/linux-centos

sudo rpm -Uvh https://packages.microsoft.com/config/centos/7/packages-microsoft-prod.rpm sudo yum install dotnet-sdk-5.0 sudo yum install dotnet-runtime-5.0 dotnet --version