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mbessa
Mission Specialist
Mission Specialist
  • 339 Views

Re: Questions about getting ready for your Red Hat remote exam?

Hello Everyone,

Does anyone figure out how use the "remote exam live ISO" on a macbook pro 13 2020 ??? I'm aware some older models work...

After changing some security options in the mac I'm able to boot into the live cd but some essential functionalities don't work while doing the compatibility test (sound for example show's a "Dummy" soundcard, wifi not detected, ...).

Is this issue being handle by the support team in order to allow the use of more recent models? Any workaround / fix for this?

 

Thank you !
Marco

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Gineesh
Flight Engineer
Flight Engineer
  • 369 Views

Re: Questions about getting ready for your Red Hat remote exam

Unfortunately it didn’t work out for me as well. Used a pc instead.

Waiting for Res Hat team to come up with a solution for this as MacBook is
a common workstation with everyone and this is a serious blocker for
attending RedHat remote exams.

Hope for the best
--


Gineesh

linkedin.com/in/gineesh
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garylinker
Cadet
Cadet
  • 339 Views

Re: Questions about getting ready for your Red Hat remote exam?

I have a Macbook Pro 2019 running Big Sur. I do not see Big Sur listed in the Remote Exam System Requirements. Also, Macbooks no longer have USB ports. I can get an external USB hub but I'm wondering about the overall compatibility with my Macbook and Operating System.

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mbessa
Mission Specialist
Mission Specialist
  • 334 Views

Re: Questions about getting ready for your Red Hat remote exam?

You'll need some USB-C dongle to connect USB stick with exam OS, external webcam (mandatory), wired mouse and keyboard (optional if you don't laptop keyboard/mouse).  
Unless 2019 model is supported, I suspect you would be facing exactly the same issues I describe in my previous post.

After changing mac boot security I was able boot with the usb stick into the exam OS, but a lot of stuff not working properly, wifi, sound... 

I'm still waiting for feedback from RedHat, but at this point it's a shame they don't support such popular laptops as @Gineesh mentioned as well...

 

@Deanna @JS_Learning any news on support for recent macbook models ? Thank you!

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Gineesh
Flight Engineer
Flight Engineer
  • 400 Views

Re: Questions about getting ready for your Red Hat remote exam?

@mbessa, I am not sure this is an issue with Exam Fedora OS.
Have you ever tried the vanilla Fedora OS (LIVE boot) on the macOS ?


*Gineesh*
linkedin.com/in/gineesh
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mbessa
Mission Specialist
Mission Specialist
  • 395 Views

Re: Questions about getting ready for your Red Hat remote exam?

Yes, tried Fedora 34 boot image but it was even worst, didn't boot at all.

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Gineesh
Flight Engineer
Flight Engineer
  • 391 Views

Re: Questions about getting ready for your Red Hat remote exam?

@mbessa, yeah so it's a MacBook issue rather than Fedora or Exam Fedora.
So, we still need to wait for Red Hat to come up with a solution Smiley Happy


*Gineesh*
linkedin.com/in/gineesh
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Fran_Garcia
Flight Engineer Flight Engineer
Flight Engineer
  • 386 Views

Re: Questions about getting ready for your Red Hat remote exam?

Generally speaking, support for Linux  (not just Red Hat Enterprise Linux or Fedora, it's all distributions) has been poor because Apple is not releasing documentation or specifications of their hardware, so drivers cannot be built or tested openly by the community.

Without direct involvement from Apple it will be very difficult to have full support of such models. The recommendation is stands, if possible use some laptop vendor whose hardware is certified or at least known to work.

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Gineesh
Flight Engineer
Flight Engineer
  • 384 Views

Re: Questions about getting ready for your Red Hat remote exam?

@Fran_Garcia, yeah agree on that point.

But it became like the student needed to buy an external camera (wired +
mouse + keyboard etc) and a laptop to attend the exam Smiley Happy

I am just kidding. But I heard this concern from many other friends in the
community.
We will see how; hopefully exam centers will be able to open soon with
strict measures and whoever cannot arrange remote exams, can still use the
centers Smiley Happy


*Gineesh*
linkedin.com/in/gineesh
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JS_Learning
Moderator
Moderator
  • 344 Views

Re: Questions about getting ready for your Red Hat remote exam?

Hi @mbessa and @garylinker ,

Unfortunately the problem is not with Red Hat!

 

See the official getting ready guide, from page 18:

https://www.redhat.com/rhdc/managed-files/tr-remote-exams-preparation-ebook-f27382-202103-en_1.pdf 

 

Extract:

Important: 2018 and later series of Mac systems have been found to have compatibility
issues with several Linux® distributions. These issues impact the remote exam image as well.


The issues include, but are not limited to:


Î T2 security system prevents booting from an external device by default.


Î 2019 Macbook Pro keyboard and touchpad doesn’t work when booted from an external media.


Î Other internal components such as webcam, mic, and wifi adapters are not detected by many Linux distributions.
If your system encounters such issues, please use another laptop that meets the system requirements and passes the compatibility test

 

I made my own research on the internet out of curiosity, and unfortunately it's more on the side of Apple's not sharing the source code of their new hardware (that T2 chip thing): as a result many developers can not make some features work.

Unfortunately the T2 chip, is a secure thing, so it's very unlikely that Apple would release any source code.

In fact I even read there are some flaw with that chip:

https://www.wired.com/story/apple-t2-chip-unfixable-flaw-jailbreak-mac/ 

 

There's also some opensource project, where some individual contributors are trying to make that T2 work with Linux:

https://wiki.t2linux.org/state/ 

 

Bottom Line:

Apple released recent macbook models with some new hardware component providing among other things, security features. The source code is not made available, which impacts the entire opensource community and in particular makes things hard to have Linux Support.

I do not work with the team doing the Remote Exam environment. That team within Red Hat is very secure, and we can understand that they act as a blackbox not to reveal any secret to ensure the exam integrity (like encryption, anti cheats...anything that would/could give unfair advantage to any candidate).

Saying that, I highly doubt that any recent macbook will be supported anytime soon by the Remote Exam environment. Based on my interpretation of the Linux for T2 state page shared earlier, I even doubt anything would be completed before many months/year(s).

I would suggest what was in the preparation guide, try to use another laptop. Even borrow some to a friend of you can, booting from the live USB exam does not interfere with the installed OS!

Feel free also to bring that with Apple, maybe they will listen to your feedback? After all, you purchased a specific hardware, I would be interested to see Apple's official answer on them preventing you to use that hardware as you want...

Hope that clarifies the situation!

 

 

 

 

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