Hosting on Linux
Question asked by InqNote IT support - 2/19/2020 at 12:39 AM
Sorry for re-posting:
Can I ask if DocumentUltimate will be able to be hosted on a Linux box? Any plans at all.

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Cem Alacayir Replied
Employee Post
Unfortunately, as of current version ASP.NET Core on Linux is not supported. This is because some of our internal native DLLs are Windows-only. In future we may support Linux if we port those native DLLs to Linux (or exclude some features for Linux build).
Thang le Replied
today, is there any news of supporting linux with DocumentUltimate ? i need use convert docx/xlsx to pdf in linux.
Jasper Replied
Also interested in any progress on this.
Cem Alacayir Replied
Employee Post Marked As Answer
FYI, there are some improvements in DocumentUltimate for Linux:

Version 5.6.0 - September 15, 2020
  • Added: Initial "ASP.NET Core on Linux" support, only limited features are available:

    • DocumentConverter works except for conversions that require PortableEngine.

    • DocumentViewer is not available as PortableEngine does not support Linux yet (due to Windows native DLL dependency).
      The explanatory error "PortableEngine is currently supported only on Windows platform." will be thrown until it's supported.
      Note that component will render but you will get the error when loading a document.

  • Improved: Updated AssemblyResolver ( for initial Linux support (no unnecessary extraction of Windows native DLLs).

  • Added: DocumentUltimateConfiguration.CheckPlatformSupport method which is used to check a feature is supported on current OS platform.
    Throws PlatformNotSupportedException if not. Possible feature values are "DocumentViewer", "PortableEngine".

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