Problems: 1. Bootup delay (20-30 sec) SOLUTION: Insert OSX disc, boot from it, open terminal and enter following: bless –device /dev/disk0s2 –setBoot –legacy –verbose where /dev/disk0s2 is the partition you installed grub (do ‘diskutil list’ to find out correct partition). Of course, ‘–verbose’ is optional. This makes Macbook EFI firmware boot your Linux installation in…