1.安装.net runtime
yum search aspnetcore-runtime-2.2.6
yum install aspnetcore-runtime-2.2.6

2.修改端口
在Centos下部署.net core Kestrel服务器,需指定IP端口,在Program.CS页面修改
public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
WebHost.CreateDefaultBuilder(args)
.UseUrls("http://*:5000")
.UseStartup<Startup>()
;