On 7/12/25 3:25 PM, George N. White III wrote:
On Sat, Jul 12, 2025 at 6:08 PM Samuel Sieb <samuel@xxxxxxxx <mailto:samuel@xxxxxxxx>> wrote:On 7/12/25 1:57 PM, Patrick Dupre via users wrote: >> Booting multiple Fedora installs from the same grub can be tricky. I >> think the easiest way is for one of the grub configs to have an entry to >> chain to the other config. >> > Yes, How I could chain 2 /boot ? I think you just add an entry to the primary grub cfg that runs "configfile path_to_other_grub_cfg". You'll have to figure out what the path is, probably starting with "(hd1)". Looks like you can put the menu entry in /boot/grub2/custom.cfg. I have used: #!/usr/bin/sh exec tail -n +3 $0# This file provides an easy way to add custom menu entries. Simply type the# menu entries you want to add after this comment. Be careful not to change # the 'exec tail' line above. menuentry "Boot from <name> Drive" { set root=UUID=<UUID> linux /vmlinuz root=/<UUID> ro initrd /initrd.img }
I think you can put the menuentry in the file I mentioned and it will get loaded at runtime. The way you're doing it requires you to re-generate the grub config if you make any changes.
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