我有一个使用 Entity Framework 的 dotnet core v3.1 项目，其中包含一个 DbContext。 当我尝试运行以下代码时：
dotnet ef migrations add someMigrationName
将会抛出这个异常：
System.ComponentModel.Win32Exception (2): No such file or directory
at System.Diagnostics.Process.ForkAndExecProcess(String filename, String[] argv, String[] envp, String cwd, Boolean redirectStdin, Boolean redirectStdout, Boolean redirectStderr, Boolean setCredentials, UInt32 userId, UInt32 groupId, UInt32[] groups, Int32& stdinFd, Int32& stdoutFd, Int32& stderrFd, Boolean usesTerminal, Boolean throwOnNoExec)
at System.Diagnostics.Process.StartCore(ProcessStartInfo startInfo)
at System.Diagnostics.Process.Start()
at System.Diagnostics.Process.Start(ProcessStartInfo startInfo)
at Microsoft.EntityFrameworkCore.Tools.Exe.Run(String executable, IReadOnlyList`1 args, String workingDirectory, Boolean interceptOutput)
at Microsoft.EntityFrameworkCore.Tools.Project.FromFile(String file, String buildExtensionsDir, String framework, String configuration, String runtime)
at Microsoft.EntityFrameworkCore.Tools.RootCommand.Execute(String[] _)
at Microsoft.EntityFrameworkCore.Tools.Commands.CommandBase.<>c__DisplayClass0_0.<Configure>b__0(String[] args)
at Microsoft.DotNet.Cli.CommandLine.CommandLineApplication.Execute(String[] args)
at Microsoft.EntityFrameworkCore.Tools.Program.Main(String[] args)
No such file or directory
我的开发环境是Linux elementary os（Ubuntu 18.04.4 LTS）和Rider IDE。
可能不相关，但是当我尝试调试我的xunit测试时，它返回此警告并且无法开始执行。
所有这些命令都可以正常工作并显示所有选项：
- dotnet
- dotnet ef
- dotnet ef migrations
但是当我使用这些选项时，会引发异常：
- dotnet ef migrations add
- dotnet ef migrations list
另外，我使用详细信息选项运行我的命令，输出如下：
Using project '/media/navid/9bf0167c-d789-4e06-9e23-4023ec551745/Stuff/Work/SabaCell/venus/Venus.CustomerProfileManagement/Venus.CustomerProfileManagement.csproj'.
Using startup project '/media/navid/9bf0167c-d789-4e06-9e23-4023ec551745/Stuff/Work/SabaCell/venus/Venus.CustomerProfileManagement/Venus.CustomerProfileManagement.csproj'.
Writing '/media/navid/9bf0167c-d789-4e06-9e23-4023ec551745/Stuff/Work/SabaCell/venus/Venus.CustomerProfileManagement/obj/Venus.CustomerProfileManagement.csproj.EntityFrameworkCore.targets'...
dotnet msbuild /target:GetEFProjectMetadata /property:EFProjectMetadataFile=/tmp/tmpUud0Xf.tmp /verbosity:quiet /nologo /media/navid/9bf0167c-d789-4e06-9e23-4023ec551745/Stuff/Work/SabaCell/venus/Venus.CustomerProfileManagement/Venus.CustomerProfileManagement.csproj
System.ComponentModel.Win32Exception (2): No such file or directory
at System.Diagnostics.Process.ForkAndExecProcess(String filename, String[] argv, String[] envp, String cwd, Boolean redirectStdin, Boolean redirectStdout, Boolean redirectStderr, Boolean setCredentials, UInt32 userId, UInt32 groupId, UInt32[] groups, Int32& stdinFd, Int32& stdoutFd, Int32& stderrFd, Boolean usesTerminal, Boolean throwOnNoExec)
at System.Diagnostics.Process.StartCore(ProcessStartInfo startInfo)
at System.Diagnostics.Process.Start()
at System.Diagnostics.Process.Start(ProcessStartInfo startInfo)
at Microsoft.EntityFrameworkCore.Tools.Exe.Run(String executable, IReadOnlyList`1 args, String workingDirectory, Boolean interceptOutput)
at Microsoft.EntityFrameworkCore.Tools.Project.FromFile(String file, String buildExtensionsDir, String framework, String configuration, String runtime)
at Microsoft.EntityFrameworkCore.Tools.RootCommand.Execute(String[] _)
at Microsoft.EntityFrameworkCore.Tools.Commands.CommandBase.<>c__DisplayClass0_0.<Configure>b__0(String[] args)
at Microsoft.DotNet.Cli.CommandLine.CommandLineApplication.Execute(String[] args)
at Microsoft.EntityFrameworkCore.Tools.Program.Main(String[] args)
No such file or directory
以下是在我的环境中运行dotnet --info的结果：
.NET Core SDK (reflecting any global.json):
Version: 3.1.405
Commit: 3fae16e62e
Runtime Environment:
OS Name: elementary
OS Version: 5.1.7
OS Platform: Linux
RID: linux-x64
Base Path: /usr/share/dotnet/sdk/3.1.405/
Host (useful for support):
Version: 3.1.11
Commit: f5eceb8105
.NET Core SDKs installed:
3.1.405 [/usr/share/dotnet/sdk]
.NET Core runtimes installed:
Microsoft.AspNetCore.App 3.1.11 [/usr/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.NETCore.App 3.1.11 [/usr/share/dotnet/shared/Microsoft.NETCore.App]
To install additional .NET Core runtimes or SDKs:
https://aka.ms/dotnet-download