ubuntutest@ubuntutest-VirtualBox:~/Downloads/Release Mono$ sudo mono MediaBrowser.Server.Mono.exe
appHost.Init
^Cubuntutest@ubuntutest-VirtualBox:~/Downloads/Release Mono$ sudo mono MediaBrowr.Server.Mono.exe
appHost.Init
UnhandledException
One or more errors occured
System.AggregateException
  at System.Threading.Tasks.Task.WaitAll (System.Threading.Tasks.Task[] tasks, Int32 millisecondsTimeout, CancellationToken cancellationToken) [0x00000] in <filename unknown>:0
  at System.Threading.Tasks.Task.WaitAll (System.Threading.Tasks.Task[] tasks) [0x00000] in <filename unknown>:0
  at MediaBrowser.Server.Mono.MainClass.RunApplication (MediaBrowser.Server.Implementations.ServerApplicationPaths appPaths, ILogManager logManager) [0x00000] in <filename unknown>:0
  at MediaBrowser.Server.Mono.MainClass.Main (System.String[] args) [0x00000] in <filename unknown>:0
InnerException: System.TypeInitializationException
An exception was thrown by the type initializer for Mono.Unix.Native.Syscall
  at MediaBrowser.ServerApplication.FFMpeg.FFMpegDownloader.ExtractFFMpeg (System.String tempFile, System.String targetFolder) [0x00000] in <filename unknown>:0
  at MediaBrowser.ServerApplication.FFMpeg.FFMpegDownloader+<DownloadFFMpeg>c__asyncD.MoveNext () [0x00000] in <filename unknown>:0
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x00000] in <filename unknown>:0
  at System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter.GetResult () [0x00000] in <filename unknown>:0
  at MediaBrowser.ServerApplication.FFMpeg.FFMpegDownloader+<GetFFMpegInfo>c__asyncC.MoveNext () [0x00000] in <filename unknown>:0
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x00000] in <filename unknown>:0
  at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1+ConfiguredTaskAwaiter[TResult].GetResult () [0x00000] in <filename unknown>:0
  at MediaBrowser.ServerApplication.ApplicationHost+<RegisterMediaEncoder>c__async2.MoveNext () [0x00000] in <filename unknown>:0
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x00000] in <filename unknown>:0
  at System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter.GetResult () [0x00000] in <filename unknown>:0
  at MediaBrowser.ServerApplication.ApplicationHost+<RegisterResources>c__async1.MoveNext () [0x00000] in <filename unknown>:0
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x00000] in <filename unknown>:0
  at System.Runtime.CompilerServices.ConfiguredTaskAwaitable+ConfiguredTaskAwaiter.GetResult () [0x00000] in <filename unknown>:0
  at MediaBrowser.Common.Implementations.BaseApplicationHost`1+<Init>c__async0[MediaBrowser.Server.Implementations.ServerApplicationPaths].MoveNext () [0x00000] in <filename unknown>:0
InnerException: System.EntryPointNotFoundException
Mono_Posix_Syscall_get_at_fdcwd
  at (wrapper managed-to-native) Mono.Unix.Native.Syscall:get_at_fdcwd ()
  at Mono.Unix.Native.Syscall..cctor () [0x00000] in <filename unknown>:0