.Net Core 3.0 Install

1) 安装.Net Core
[root@srv1 ~]# yum install deltarpm unzip zlib gettext libunwind libicu libcurl-devel openssl-devel libicu-devel -y

[root@srv1 ~]# rpm --import https://packages.microsoft.com/keys/microsoft.asc
[root@srv1 ~]# cat > /etc/yum.repos.d/dotnetdev.repo <<EOF
[packages-microsoft-com-prod]
name=packages-microsoft-com-prod
baseurl=https://packages.microsoft.com/yumrepos/microsoft-rhel7.3-prod
enabled=1
gpgcheck=1
gpgkey=https://packages.microsoft.com/keys/microsoft.asc
EOF

[root@srv1 ~]# yum install dotnet-sdk-3.0 -y

[root@srv1 ~]# echo 'export PATH=$PATH:$HOME/dotnet' > /etc/profile.d/dotnetdev.sh
[root@srv1 ~]# source /etc/profile.d/dotnetdev.sh
[root@srv1 ~]# dotnet --version
3.0.102

2) 测试.Net Core
[root@srv1 ~]# dotnet new console -o helloworld
Welcome to .NET Core 3.0!
---------------------
SDK Version: 3.0.102


----------------
Explore documentation: https://aka.ms/dotnet-docs
Report issues and find source on GitHub: https://github.com/dotnet/core
Find out what's new: https://aka.ms/dotnet-whats-new
Learn about the installed HTTPS developer cert: https://aka.ms/aspnet-core-https
Use 'dotnet --help' to see available commands or visit: https://aka.ms/dotnet-cli-docs
Write your first app: https://aka.ms/first-net-core-app
--------------------------------------------------------------------------------------
Getting ready...
The template "Console Application" was created successfully.


Processing post-creation actions...
Running 'dotnet restore' on helloworld/helloworld.csproj...
  Restore completed in 195.59 ms for /root/helloworld/helloworld.csproj.


Restore succeeded.

[root@srv1 ~]# cd helloworld/
[root@srv1 helloworld]# dotnet run
Hello World!