Install .NET SDK on CentOs7

参考文章： https://www.microsoft.com/net/learn/get-started/linux/centos

 rpm --import https://packages.microsoft.com/keys/microsoft.asc
 sh -c 'echo -e "[packages-microsoft-com-prod]\nname=packages-microsoft-com-prod \nbaseurl= https://packages.microsoft.com/yumrepos/microsoft-rhel7.3-prod\nenabled=1\ngpgcheck=1\ngpgkey=https://packages.microsoft.com/keys/microsoft.asc" > /etc/yum.repos.d/dotnetdev.repo'

 yum update
 yum install libunwind libicu
 yum install dotnet-sdk-2.1.4（最新版本号）