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Re: grub update and reinstallation

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On 02/08/2020 04:31, Tom Dial wrote:
> On 8/1/20 11:09, Graham Seaman wrote:
>> I already reinstalled grub-pc (using a rescue-usb) , that's how I got
>> the system booting again. But I don't know if the current grub is
>> trustable or not.
> My experience, now on eight machines, indicates that it should be if the
> installed, configured, and used versions of grub components is
>
> 2.02+dfsg1-20+deb10u2.
>
> I could be wrong, but here it has been the case for both UEFI (and root
> on ZFS) and legacy boot setups, on both i386 and amd64. The only
> exception is one root-on-ZFS VM that was slightly broken beforehand and
> declines to boot for reasons I am fairly sure are unrelated to grub
> installation.
>
> Tom Dial2.02+dfsg1-20+deb10u2

OK, I have 2.02+dfsg1-20+deb10u2 on 2 debian systems which seem to be 
OK. Thanks for confirming!

2.02~beta2-36 seems to be ok on a UEFI ubuntu system.

Graham


>
>> Graham
>>
>>
>>> Or get the device name from the debconf database:
>>>
>>> readlink -f $(debconf-show grub-pc 2>/dev/null | grep grub-pc/install_devices: | cut -d ':' -f2)
>>>
>>> Cheers,
>>>         Sven
>>>

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Thread

grub update and reinstallation Ross Boylan <rossboylan@stanfordalumni.org> - 2020-07-31 20:30 +0200
  Re: grub update and reinstallation Brian <ad44@cityscape.co.uk> - 2020-07-31 20:40 +0200
    Re: grub update and reinstallation Andrew Cater <amacater@gmail.com> - 2020-07-31 21:30 +0200
      Re: grub update and reinstallation Tom Dial <tddial@comcast.net> - 2020-08-01 09:10 +0200
        Re: grub update and reinstallation Graham Seaman <graham@theseamans.net> - 2020-08-01 13:30 +0200
          Re: grub update and reinstallation Sven Joachim <svenjoac@gmx.de> - 2020-08-01 15:10 +0200
            Re: grub update and reinstallation Graham Seaman <graham@theseamans.net> - 2020-08-01 19:30 +0200
              Re: grub update and reinstallation Andrew Cater <amacater@gmail.com> - 2020-08-01 22:00 +0200
              Re: grub update and reinstallation Tom Dial <tddial@comcast.net> - 2020-08-02 05:50 +0200
                Re: grub update and reinstallation Graham Seaman <graham@theseamans.net> - 2020-08-03 00:00 +0200
                Re: grub update and reinstallation Andrew Cater <amacater@gmail.com> - 2020-08-03 18:40 +0200
                Re: grub update and reinstallation Leslie Rhorer <lesrhorer@att.net> - 2020-08-03 23:50 +0200
          Re: grub update and reinstallation Tom Dial <tddial@comcast.net> - 2020-08-01 22:40 +0200
    Re: grub update and reinstallation Ross Boylan <rossboylan@stanfordalumni.org> - 2020-08-01 00:40 +0200

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