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New Macs with T2 security chips won't boot Linux

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Redacted
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New Macs with T2 security chips won't boot Linux

#1 Post by Redacted » Tue Nov 06, 2018 6:16 pm

From https://www.phoronix.com/scan.php?page= ... Linux-UEFI
At least until further notice, these new Apple systems sporting the T2 chip will not be able to boot Linux operating systems.
Talk about a closed system.
Fortunately there's good hardware out there for us.
MX 17.1

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Stevo
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Re: New Macs with T2 security chips won't boot Linux

#2 Post by Stevo » Tue Nov 06, 2018 10:45 pm

The 2018 MSI gaming laptop I have for compiling programs for the repo (powerful, tweakable and tuneable, good cooling solution, but only 3-4 hours of battery life at most) now runs pretty much perfectly on MX 17, including the Optimus Bumblebee GPU switching, and is $1000 at Microcenter: https://www.microcenter.com/product/505 ... er_-_Black

MSI also has some thinner and lighter laptops with similar hardware and longer battery life, but YMMV. But there are a lot of how-to guides for at at least some of those like the MSI GS65--so it's not hopeless like the Apple.

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m_pav
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Re: New Macs with T2 security chips won't boot Linux

#3 Post by m_pav » Wed Nov 07, 2018 5:05 pm

To be a little more concise, it's not such that they can't boot Linux, it's that the signature used by Linux based distros is not in the T2chips list of trusted signatures.
https://www.omgubuntu.co.uk/2018/11/app ... boot-linux
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dreamer
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Re: New Macs with T2 security chips won't boot Linux

#4 Post by dreamer » Wed Nov 07, 2018 7:18 pm

m_pav wrote:
Wed Nov 07, 2018 5:05 pm
To be a little more concise, it's not such that they can't boot Linux, it's that the signature used by Linux based distros is not in the T2chips list of trusted signatures.
https://www.omgubuntu.co.uk/2018/11/app ... boot-linux
It seems you can boot Linux live, but the internal drive will be hidden from the installer. If you install Linux to an external drive, then maybe, but Apple T2 hardware is definitely not something a Linux user should buy.

"There’s another restriction of the T2 chip not related to the app: it’s currently not possible to install any 3rdParty operating system except Windows 10 on Apple computers equipped with T2 chip (earlier some enthusiasts installed Linux). The T2 chip makes it impossible to see the internal drive, Apple generously did an exception only for Windows 10 (but only if you install it via Boot Camp). A possible option could be Linux installed on a USB/Thunderbolt external drive, unfortunately we tried this only for Windows but it worked (though the internal drive was not visible)."

https://www.crystalidea.com/blog/fan-co ... -boot-camp

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