CentOS 安装 NET Core SDK　 注册 Microsoft 密钥和源 sudo rpm -Uvh https://packages.microsoft.com/config/centos/7/packages-microsoft-prod.rpm 安装 .NET Core SDK sudo yum install dotnet-sdk-3.1 在安装过程中如提示需要安装依赖的话执行： sudo yum install libunwind libicu 若提示找不到安装包，说明yum源 需要升级则 更换yum源 centos更换阿里云的YUM源的方法  1、备份 mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup 2、下载新的CentOS-Base.repo 到/etc/yum.repos.d/ CentOS 5 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo 或者 curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-5.repo CentOS 6 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo 或者 curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo CentOS 7 wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo 或者 curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo 3、之后运行yum makecache生成缓存  更新完yum 后重新执行以下安装步骤即可 sudo yum install libunwind libicu sudo yum install dotnet-sdk-3.1 安装完成后查看是否安装成功  [bob@localhost ~]$ dotnet --info .NET Core SDK (reflecting any global.json): Version: 2.1.509 Commit: 76b7a25db8 Runtime Environment: OS Name: centos OS Version: 8 OS Platform: Linux RID: centos.8-x64 Base Path: /usr/lib64/dotnet/sdk/2.1.509/ Host (useful for support): Version: 3.1.3 Commit: 4a9f85e9f8 .NET Core SDKs installed: 2.1.509 [/usr/lib64/dotnet/sdk] .NET Core runtimes installed: Microsoft.AspNetCore.App 3.1.3 [/usr/lib64/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.NETCore.App 2.1.13 [/usr/lib64/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 3.1.3 [/usr/lib64/dotnet/shared/Microsoft.NETCore.App] To install additional .NET Core runtimes or SDKs: https://aka.ms/dotnet-download  https://www.cnblogs.com/bob-zb/p/12761733.html 声明：原创博客请在转载时保留原文链接或者在文章开头加上本人博客地址，如发现错误，欢迎批评指正。 分类: .NET Core