UEFI doesn't block the installation that is secure boot which requires the OS to be signed in order to boot. The reason why not every Linux can install is that the keys cost money and a one man shop that is giving things away for free won't be able to afford it.
Most newer version of Linux have a versions that can install on either sometimes as separate downloads and sometimes as a combined image. If you are trying to install a non signed OS you must shut off the secure boot feature.
The caveat is if you are looking to do a dual boot is an install done under secure boot will not boot once shut off and will need to be reinstalled. There are a few workarounds but they are a lot of effort vs just reinstalling after making backups.
On Tue, Jun 26, 2018 at 1:20 AM, William Morder <doctor_contendo@xxxxxxxx> wrote:
On Monday 25 June 2018 21:54:13 Felix Miata wrote:
> William Morder composed on 2018-06-25 21:22 (UTC-0700):
> > Beware of UEFI/EFI ... don't know if your devices have such new
> > "features", as it was hard for me to keep track of the different devices,
> > the various issues, and their place in your own scheme of things. But if
> > you try to install a Linux system on a newer machine that has UEFI, it
> > will "protect" you from the dangers of Linux and hackers. There are ways
> > to disable UEFI, though.
>
> Like anything, to use it safely some (re-)education is involved, getting
> the hang of new paradigms. I have two UEFI PCs. When I started composing
> this I was doing my 7th (multiboot, adding OS #3 to an M.2 device)
> installation in UEFI mode, *buntu 18.04, to become Tubuntu, to follow-up on
> a year-old, still open TDE bug, but it's already finished and rebooted.
I had a friend who tried to install Trisquel Ubuntu on a new Toshiba laptop,
but wasn't familiar with the newer UEFI, and thus turned her machine into a
brick. Still no luck unlocking or resuscitating it, last I heard.
Bill
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