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reinstall grub to the disk from a live cd. i'm not sure what caused your problem (i wouldn't try it!) but cp -a would have been better, anyway -- if not rsync for a backup. "GRUB" is the first and only thing you see after system POST? I'm not sure, but that probably means you're only getting the MBR section. Anyway, do the first thing i said.
Lessons learned:
Don't rm -rf /boot/*.
Why would you do that, anyway? I mean, I guess this is interesting for exploratory purposes, but it soudns like a pain in the arse, too.
Also, /opt is not a standard place for backups -- it's for "opt"ional software packages.
Last edited by jhwilliams; 07-16-2009 at 03:12 PM.
Probably. Grub versions don't change much and all it has to do is follow a pointer to go execute the initrd chain and get everything off the ground. So long as you have *a* function grub, it is my belief that it should work fine.
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