Here’s some of the documentation, but I believe the standard apt mono-devel package is now up-to-date enough that the extra apt source is not necessary. edk2-pytool-extensions/using_extdep.md at master · tianocore/edk2-pytool-extensions (github.com) - Bret From: Rebecca Cran via groups.io Sent: Tuesday, June 29, 2021 5:12 AM To: devel@edk2.groups.io; steven.shi@intel.com Subject: [EXTERNAL] Re: [edk2-devel] Do the edk2 CI unit tests work in Linux? NuGet.exe is a .NET assembly/executable, so on Linux you'll need to install Mono (https://www.mono-project.com/). -- Rebecca Cran On 6/28/21 7:45 PM, Steven Shi wrote: Hello, I’m interested in the edk2 CI unit tests(https://github.com/tianocore/edk2/tree/master/.pytool). I tested it in my local. It works well in Windows but does not work in Linux. It looks the NuGet in pytool only has windows version (C:\steven\unit_test_env\Lib\site-packages\edk2toolext\bin\NuGet.exe) but not support the Linux. Below is my detail test steps. Do the edk2 CI unit tests work in Linux? 1. Windows : c:\steven>py -m venv unit_test_env c:\steven>cd c:\steven\edk2 c:\steven\edk2>c:\steven\unit_test_env\Scripts\activate.bat (unit_test_env) c:\steven\edk2>pip install --upgrade -r pip-requirements.txt (unit_test_env) c:\steven\edk2>stuart_setup -c .pytool/CISettings.py TOOL_CHAIN_TAG=VS2019 (unit_test_env) c:\steven\edk2>stuart_update -c .pytool/CISettings.py TOOL_CHAIN_TAG=VS2019 (unit_test_env) c:\steven\edk2>edksetup.bat (unit_test_env) c:\steven\edk2>edksetup.bat Rebuild (unit_test_env) c:\steven\edk2>stuart_ci_build -c .pytool/CISettings.py TOOL_CHAIN_TAG=VS2019 -a X64,IA32 -t DEBUG --verbose … PROGRESS - Overall Build Status: Success SECTION - Summary PROGRESS - Success 1. Linux: jshi19@ub2-uefi-b01:~/wksp_efi$ python3 -m venv unit_test_env jshi19@ub2-uefi-b01:~/wksp_efi$ source unit_test_env/bin/activate (unit_test_env) jshi19@ub2-uefi-b01:~/wksp_efi/edk2-2$ pip install --upgrade -r pip-requirements.txt (unit_test_env) jshi19@ub2-uefi-b01:~/wksp_efi/edk2-2$ make -C BaseTools/ (unit_test_env) jshi19@ub2-uefi-b01:~/wksp_efi/edk2-2$ stuart_setup -c .pytool/CISettings.py TOOL_CHAIN_TAG=GCC5 (unit_test_env) jshi19@ub2-uefi-b01:~/wksp_efi/edk2-2$ stuart_update -c .pytool/CISettings.py TOOL_CHAIN_TAG=GCC5 SECTION - Init SDE WARNING - Using Pip Tools based BaseTools SECTION - Loading Plugins SECTION - Start Invocable Tool SECTION - Initial update of environment UpdatingWARNING - [SDE] Failed to fetch NugetDependecy: edk2-acpica-iasl@20200717.0.0: [Nuget] We failed to install this version 20200717.0.0 of edk2-acpica-iasl WARNING - [SDE] Failed to fetch NugetDependecy: mu_nasm@2.15.05: [Nuget] We failed to install this version 2.15.05 of mu_nasm . Done SECTION - Updated/Verified 3 dependencies SECTION - Second pass update of environment UpdatingWARNING - [SDE] Failed to fetch NugetDependecy: edk2-acpica-iasl@20200717.0.0: [Nuget] We failed to install this version 20200717.0.0 of edk2-acpica-iasl WARNING - [SDE] Failed to fetch NugetDependecy: mu_nasm@2.15.05: [Nuget] We failed to install this version 2.15.05 of mu_nasm . Done SECTION - Updated/Verified 3 dependencies ERROR - We were unable to successfully update 2 dependencies in environment SECTION - Summary ERROR - Error Thanks Steven Shi