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Re: Why secure boot might be a good idea on your Linux machine

From Mighty Mouse <"squeak!"@thecheesefactory.com>
Newsgroups aus.computers
Subject Re: Why secure boot might be a good idea on your Linux machine
Date 2024-12-19 13:18 +1100
Message-ID <lshe3dFlhhpU1@mid.individual.net> (permalink)
References (8 earlier) <lrqjt8Fuab5U1@mid.individual.net> <lrquhrF1g93U1@mid.individual.net> <6758b09e@news.ausics.net> <lsed4mF6ndfU1@mid.individual.net> <6762262e@news.ausics.net>

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Computer Nerd Kev wrote:
> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>> Computer Nerd Kev wrote:
>>> Mighty Mouse <"squeak!"@thecheesefactory.com> wrote:
>>>> Keithr0 wrote:
>>>>> On 9/12/2024 11:22 pm, Daniel70 wrote:
>>>>>> Keithr0 wrote on 9/12/24 8:33 pm:
>>>>>>> On 9/12/2024 6:31 pm, Mighty Mouse wrote:
>>>>>>>> what happens if they get root access?
>>>>>>>>
>>>>>>> They own the machine.
>>>>>> .... until you disconnect from the Net and re-install your OS, probably.
>>>>> Unless they did via a boot kit, then even changing the disk won't help.
>>>> why? is the computer itself affected somehow?
>>> They might be able to install their own software in the PC's UEFI
>>> firmware, which would then hack into new OS installations too.
>> I've got a PC that I can't install windows10 on. ?? it installs but then
>> it won't boot properly. without going into a lot of detail, and putting
>> it simply (but unkindly) it just goes 'spastic'- extremely slow, screen
>> flashes on and off, spinning dots, keeps going back to the welcome
>> screen, etc.,. but if I load another HD for this PC with win10 that was
>> perfectly fine, it does the same. same if I use system restore from a
>> good restore point. so does this mean I have a boot virus on that
>> machine?
> Probably not.
>
>> how can I check? and if there is one how do I get rid of it?
> I'm not sure if that can be done reliably, but I wouldn't jump to
> conclusions, especially if the trouble only started after you
> upgraded the CPU.
>
>> if it's not a boot virus what else could be the problem?
> Try running Memtest86 to check the RAM didn't get damaged
> accidentally. Linux probably won't be using as much RAM as Win10,
> so it may not have reached the memory region that's faulty.

I forgot that I had installed brand new ram, 16Gb 2x8. I ran memtest, 
and the computer turned off after a few minutes. so in case that ram was 
faulty I put in 8 gig (2x4) of RAM, and set up a sceen to monitor 
memtest. it ran for 21 minutes then the computer turned off again! you 
can see hereĀ  https://auslink.info/video/memtest.mp4 . I'm sure this is 
not supposed to happen.

one other thing, the power supply in this PC failed, it was emitting a 
'hissing' noise and burnt smell, and I replaced it with a brand new one. 
it's only since then that these problems have started. could it be that 
the motherboard is faulty?

>> I've tried windows repair, and it didn't fix it.
> Did you try Safe Mode (assuming that's still around in Win10)?

no, but I will. stupid M$ has made it more difficult to get into safe 
mode. it used to be that you just pressed F8 at boot.

>> also.. Linux works fine on this PC. but if there is a boot virus is
>> Linux affected also without my knowing it?
> All things are possible, but again it's unlikely.
>
>> also.. the only thing that has changed on the PC is I upgraded the CPU
>> from AMD Athlon II X3 420 Rana 45nm Technology to AMD FX-6100 Six Core
>> CPU3.3GHz but even if that is somehow affecting loading of restored
>> versions of windows, it should be irrelevant for new installs, surely.
> Check the BIOS setting didn't get reset or set wrongly while you
> were doing that, eg. RAM clock frequency.
>

everything is set to auto

.................................................

This PC:
MB: https://www.asrock.com/MB/AMD/980DE3U3S3/index.us.asp
CPU: https://www.techpowerup.com/cpu-specs/fx-6100.c827
Graphics: NVIDIA GeForce GT 710
RAM: 16 Gigabytes


-- 
Have a nice day!..
stay sane, be happy, and enjoy living.

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Thread

Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-11-28 21:55 +1000
  Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-11-29 07:27 +1000
    Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-11-29 10:54 +1000
      Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-11-30 17:53 +1000
        Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-01 06:43 +1000
          Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-12-02 21:31 +1000
          Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-09 19:31 +1100
            Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-12-09 19:33 +1000
              Re: Why secure boot might be a good idea on your Linux machine Daniel70 <daniel47@nomail.afraid.org> - 2024-12-10 00:22 +1100
                Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-12-10 20:36 +1000
                Re: Why secure boot might be a good idea on your Linux machine Daniel70 <daniel47@nomail.afraid.org> - 2024-12-10 22:05 +1100
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-11 00:38 +1100
                Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-11 07:20 +1000
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-18 09:43 +1100
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-18 09:59 +1100
                Re: Why secure boot might be a good idea on your Linux machine Computer Nerd Kev <not@telling.you.invalid> - 2024-12-18 11:32 +1000
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-19 13:18 +1100
                Re: Why secure boot might be a good idea on your Linux machine Computer Nerd Kev <not@telling.you.invalid> - 2024-12-19 13:34 +1000
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-19 17:57 +1100
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-19 18:22 +1100
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-19 20:34 +1100
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-20 12:26 +1100
                Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-21 07:34 +1000
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-21 12:30 +1100
                Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-21 14:36 +1000
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-21 18:18 +1100
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-21 22:32 +1100
                Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-22 07:55 +1000
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-23 11:14 +1100
                Re: Why secure boot might be a good idea on your Linux machine Computer Nerd Kev <not@telling.you.invalid> - 2024-12-23 16:48 +1000
                Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-23 12:12 +1100
                Re: Why secure boot might be a good idea on your Linux machine Computer Nerd Kev <not@telling.you.invalid> - 2024-12-23 16:52 +1000
                Re: Why secure boot might be a good idea on your Linux machine ng <ng@ng.com> - 2024-12-29 14:33 +0000
                Re: Why secure boot might be a good idea on your Linux machine ng <ng@ng.com> - 2025-01-03 03:43 +0000
                Re: Why secure boot might be a good idea on your Linux machine MightyMouse <"squeak!"@thecheesefactory.com> - 2025-01-05 18:43 +1100
                Re: Why secure boot might be a good idea on your Linux machine MightyMouse <"squeak!"@thecheesefactory.com> - 2025-01-05 18:43 +1100
            Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-10 08:05 +1000
              Re: Why secure boot might be a good idea on your Linux machine Mighty Mouse <"squeak!"@thecheesefactory.com> - 2024-12-10 10:23 +1100
                Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-11 07:28 +1000
                Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-12-12 21:41 +1000
                Re: Why secure boot might be a good idea on your Linux machine noel <deletethis@invalid.lan> - 2024-12-13 07:08 +1000
                Re: Why secure boot might be a good idea on your Linux machine not@telling.you.invalid (Computer Nerd Kev) - 2024-12-13 07:19 +1000
                Re: Why secure boot might be a good idea on your Linux machine Keithr0 <nothing.to.see@here.com.au> - 2024-12-16 16:39 +1000

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