Hi Adrian,
Thank you so much.
I did it on /dev/sda2 though.
Jeroen
John Paul Adrian Glaubitz schreef op 2023-11-14 19:31:
> Hello!
>
> On Tue, 2023-11-14 at 17:17 +0700, Jeroen Diederen wrote:
>> I tried and apt upgrade and it tried to upgrade grub-ieee1275 on a G5
>> iMac (ppc64) which failed.
>>
>> Setting up grub-ieee1275 (2.12~rc1-12) ...
>> Installing for powerpc-ieee1275 platform.
>> grub-install: error: cannot backup
>> `/boot/grub/powerpc-ieee1275/adler32.mod': Read-only file system.
>
> You have to install hfsprogs and run fsck.hfs /dev/sda1 to fix the HFS
> filesystem
> of your /boot partition.
>
> Adrian