grub install onto a loose drive...


sorry, I could not think of a better title.

I have a working linux system, and an external enclosure. I would like
to build a booting linux image onto a hard drive that sits in the
enclosure. my intent is to then disconnect the drive, put it into a
different computer as an internal drive, and boot it. It is of course
easy to transfer a linux partition onto the external drive. I need a
differently compiled kernel for my new computer, which I can also build
easily. this part is all easy.

boot sector stuff is not. I am now looking for instructions on how to
install grub onto the external drive, have it point at the external
hard drive's kernel (/dev/sdb1 during installation time), and realize
that although everything currently this boot sector that I want to
write sits on /dev/sdb and the root partition sits on /dev/sdb1, after
I disconnect it and put it into my new machine, /dev/sdb will become
/dev/sda.

pointers appreciated.

sincerely, /iaw

.

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