在ubuntu啟動.net core webapp https時,遇到「No server certificate was specified, and the default developer certificate could not be found or is out of date.」如何解決

 這個錯誤的全文是這樣的:

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sudo dotnet 你的DotNetMvcApp.dll

crit: Microsoft.AspNetCore.Server.Kestrel[0]

      Unable to start Kestrel.

System.InvalidOperationException: Unable to configure HTTPS endpoint. No server certificate was specified, and the default developer certificate could not be found or is out of date.

To generate a developer certificate run 'dotnet dev-certs https'. To trust the certificate (Windows and macOS only) run 'dotnet dev-certs https --trust'.

For more information on configuring HTTPS see https://go.microsoft.com/fwlink/?linkid=848054.

   at Microsoft.AspNetCore.Server.Kestrel.KestrelConfigurationLoader.Load()

   at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.ValidateOptions()

   at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.StartAsync[TContext](IHttpApplication`1 application, CancellationToken cancellationToken)

Unhandled exception. System.InvalidOperationException: Unable to configure HTTPS endpoint. No server certificate was specified, and the default developer certificate could not be found or is out of date.

To generate a developer certificate run 'dotnet dev-certs https'. To trust the certificate (Windows and macOS only) run 'dotnet dev-certs https --trust'.

For more information on configuring HTTPS see https://go.microsoft.com/fwlink/?linkid=848054.

   at Microsoft.AspNetCore.Server.Kestrel.KestrelConfigurationLoader.Load()

   at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.ValidateOptions()

   at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.StartAsync[TContext](IHttpApplication`1 application, CancellationToken cancellationToken)

   at Microsoft.AspNetCore.Hosting.GenericWebHostService.StartAsync(CancellationToken cancellationToken)

   at Microsoft.Extensions.Hosting.Internal.Host.StartAsync(CancellationToken cancellationToken)

   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)

   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)

   at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.Run(IHost host)

   at 你的DotNetMvcApp.Program.Main(String[] args) in P:\你的DotNetMvcApp\你的DotNetMvcApp\Program.cs:line 49

Aborted

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這時,你可以用這些指令去重新產生並查詢憑證
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dotnet dev-certs https --clean
dotnet dev-certs https
sudo dotnet dev-certs https --check --verbose
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參考這個連結
大家一起加油吧