On Du, 13 feb 22, 11:01:48, David Wright wrote: > > Typically, one would have a primary, "master" linux system which would > be used to write an MBR pointing to itself. The other, legacy system > would have its grub.cfg kept up-to-date, but would never touch the > MBR by running grub-install.
Another option (at least with MBR, didn't try this with GPT) is to tell the Installer to install GRUB in the partition instead of the MBR, and then manually install another GRUB instance to the MBR with a handcrafted config that is chain-loading the GRUBs in the partitions. This way each system's GRUB config is nicely following kernel upgrades automatically. Kind regards, Andrei -- http://wiki.debian.org/FAQsFromDebianUser
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