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Old 09-29-2008, 08:19 PM   #1
Rubicon244
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Grub multi-booting and kernel updates


I currently have several linux distros and XP Pro multi-booting with Grub boot loader. The last disrto I installed was Linux Mint which did a good job of recognising the other distros and adding appropriate entries to /boot/grub/menu.lst (or maybe Grub does this by default - I'm not sure).

Anyway all was working fine until there was a kernel update for openSUSE and as such would no longer boot from Grub. I got it working again by editing menu.lst on the Mint partition to point to the new vmlinuz and inistrd files on the SUSE partition.

My question is, is there an easier way to tell Grub about these kernel updates without having to manually update menu.lst each time?

Also is there a better way to set up multi-booting? My process was a simple one. Install each distro to it's own partition with a '/' mount point and let it write a new MBR. The last one (in my case Mint) does the job of finding all the other distros.

Thanks, Dave
 
Old 09-30-2008, 12:12 AM   #2
FredGSanford
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What I do for multiboot is use Debian's grub and install new distros grub into the root partition. Then manually add the new one to debian's grub list.

As for kernel updates, I guess you could use a link to point to the latest kernel, such as having 'root=vmlinuz' and in /boot have a the link vmlinuz pointing to current kernel, vmlinuz.2.26.25.
 
Old 09-30-2008, 12:51 AM   #3
pinniped
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I'd go for manually editing GRUB - how often do you change kernels?

The other alternative is to write your own scripts which will update the menu.lst, but it takes a lot of time to test the thing and make sure it behaves - for example, if you regenerate menu.lst from scratch, you run the risk of losing all the extra boot parameters (which is what always happens, for example, when you install another distro and let the install scripts detect other installations and create boot entries).
 
Old 09-30-2008, 04:26 AM   #4
Larry Webb
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I chainload partitions and never have to change the menu.lst again.
 
  


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