Hi Frank, That fixed it, thanks!
Peter On Thu, 2022-11-24 at 00:31 +0100, Frank Scheiner wrote: > Hi Peter, > > On 24.11.22 00:18, Peter wrote: > > I seem to have a problem with grub being read-only after sudo apt > > update & apt upgrade on my iBook G4: > > You need to fsck (and possibly repair) the HFS partition GRUB is > located > on - use `fsck.hfs` from "hfsprogs" package (see [1] for details). > When > that FS is checked (and possibly repaired) it should be mountable rw > again and you should be able to finish your upgrade. > > [1]: https://manpages.debian.org/unstable/hfsprogs/fsck.hfs.8.en.html > > Cheers, > Frank